bit-tech.net

The CoolIT Domino ALC: low cost liquid cooling still has problems

Posted on 29th Apr 2009 at 11:21 by Richard Swinburne with 35 comments

Richard Swinburne
Since several Domino ALCs found their way to the bit-tech labs, I for one have been using them extensively. CoolIT claimed the cooling and price are comparable with the ThermalRight Ultra Extreme except with fewer compatibility issues as the ALC's water block will never interfere with any memory or heatsinks around the CPU socket, and it'll cool anything thrown at it. It's a sealed system - there's no taking it apart and CoolIT reckons it'll last several years before needing a refill - "with constantly upgradable mounting brackets, you'll never need another CPU cooler", it boldly claims.

I took these claims literally, but despite impressive first discussions, things have gone downhill at almost every turn. In no particular order, here are my experiences...

I recently upgraded my home PC's CPU cooler. Getting the Domino ALC screwed onto my CPU and fitted into an Akasa Mirage rates very high on the pain-in-the-arse scales. Somewhere just below 'manoeuvring an elephant up a flight of stairs', but just above 'broken down on the motorway and it's pissing down with rain,' I'd say.

Installing it requires three hands: one to hold the fan-radiator-bit, the next to hold the CPU cooler down, and a third to screw it in. That's not to mention that changing the position of the mounting screws requires one of the-most-stupid designs I've ever seen. Holding in the screws are tiny little "U" shaped bits of metal - to get these out you have to very carefully jam in a little flat head scerwdriver and pull them outwards. Because they're so small and thin, applying a force in any other direction apart from directly outwards breaks them, and they're flat and tiny so losing them on a messy worktop or in the carpet is virtually inevitable. There are four to do and CoolIT only include an extra two in the box.

The CoolIT Domino ALC: low cost liquid cooling still has problems Low cost liquid cooling: what's it like to use?

Next, because the CPU waterblock is connected to the Radiator with some stiff tubing, getting the block the right orientation for your case is also important, otherwise the tubing connectors will snap or the radiator will rip itself off the back of your case.

After this I found that I couldn't use the Mirage's removable motherboard tray - the ALC unit is so bulky it can't be installed outside the case. This is also true for other CPU coolers, but while moving the cooler mass helps, it's still just as cumbersome. If your case also has a large side fan, it could also be incompatible too.

As the rear fan on the Akasa is so close to the CPU socket, it puts a great deal of stress on the stiff pipes, the connectors and the four small rubber grommets holding the whole thing in place, on the rear 120mm fan mount. We understand why CoolIT included the rubber bits - to reduce vibration - but the whole thing is barely held in, twisted at a strange angle, and I certainly wouldn't like to ship it about without screwing it in properly. It's worth noting that CoolIT does ship it with normal fan screws though, and I would absolutely recommend using them.

Back to the lab, and within two minutes of giving it to Harry (the man is a legend for testing Q/A) we broke one. Having (very literally) gently pressed the plastic barb inwards it easily snapped, spewing the blood of its veins everywhere (that's the Domino, not Harry). We contacted CoolIT, who assured us that the ones on sale now use metal not plastic barbs, and our "early samples" came direct from Canada rather than the revised design from its factory in China.

We've received the revised unit and to CoolIT's credit - the barbs now appear to be brass (or at least metal) and putting on a decent amount of pressure doesn't break them. That's a good revision to an urgently needed change by CoolIT.

Now, the ultimate selling points - is it cooler and quieter than the best air coolers?

In a word: No.

I used to use a Tuniq Tower with Noctua NF-12P - that's not a new CPU cooler, and the fan isn't that powerful, but the temperatures on my CPU are now worse off with the Domino ALC to the point where I've had to actually underclock my processor. It sits in the BIOS at 45 to 50ºC idle - that's not impressive. This is on the "middle" setting - the one that adjusts itself according to the liquid temperature, cranking up the fan as it gets warmer.

Which also brings me onto my next point: noise. It's not that quiet either. While in the lab it's often difficult to tell precisely, in my quiet room at home the difference is evident - the Noctua fan is notably quieter, even when the Domino ALC is at its lowest settings with the stock fan.

It's worth noting that this one I'm using is the (working) pre-production model though, so not what's strictly on sale, but not only were CoolIT happy for us to review these models initially - we've been over them meticulously and can't find anything wrong with them.

Finally, I tested it recently when overclocking the Phenom II X4 955 and Phenom II X3 720 Black Edition CPUs. The advantage is that because AMD heatsinks can only be orientated in one direction, many CPU coolers conflict with tall memory like the Corsair Dominators - the low profile ALC on the other hand, does not.

At first we found the Domino ALC woefully inadequate for anything - even at stock voltages and a FULL fan that sounds like a jet engine on helium, the 955s were overheating when overclocked. Add some more voltage and the temperatures spiralled quickly. It's almost impossible to install correctly - the CPU-heatsink contact is clear to see the Domino will beep if anything is wrong internally.

We were seeing overclockers elsewhere get far better results with aircooled ThermalRight Ultra Extremes and even the 720 Black Editions, when overvolted were too much for it.

However, having just yesterday re-tested the latest model with the overclocked 720 BE in identical settings on the same motherboard, but with a cooler lab (since James turned off his space heaters Folding rigs) , we're now seeing temperatures in the mid-40s. Since no other change has taken place, this is extremely strange behaviour and after a quick call to Canada, CoolIT was undoubtedly concerned and will be over in a few weeks to try and understand these performance issues.

We will also test it in a controlled environment as a comparative to our other heatsinks in the review once we understand exactly what's happening but regardless of performance the simple fact is that while still innovative, its application and design is at best, questionable, but mostly just damn frustrating.

For now we can only say that there are very few virtuous reasons to buy the Domino ALC and if you're interested in watercooling, do yourself a favour, spend the money to buy a quality kit or buy the known performer that is the ThermalRight Ultra Extreme instead.

35 Comments

Discuss in the forums Reply
McNAB09 29th April 2009, 16:01 Quote
Hi All :)

I just got sent the link above from my friend, i recently bought a CoolIT Domino from OCUK and he thought i should see what you guys wrote about it.

I could not believe what i saw i have never been soo impressed by a processor cooler! I had no problems installing it into my case?!?!? and found it to be VERY quiet so i dont understand why you had problems? What did Coolit say when you told them about the problems you had?

My mate found it very funny as i had just bought one but i can honestly say i have had no problems and it cools my overclocked 920 perfectly?

Based on my experience with my Domino i cannot agree with your blog and think that you are being very harsh, i love my Domino and it will take pride of place in my case forever!

DOMINO ROCKS!!
Bindibadgi 29th April 2009, 16:11 Quote
Why would you pay £76 for this: http://www.overclockers.co.uk/showproduct.php?prodid=WC-001-CI

When the Thermalright: http://www.overclockers.co.uk/showproduct.php?prodid=HS-060-TR and a very expensive Noctua fan http://www.overclockers.co.uk/showproduct.php?prodid=FG-004-NC costs less and is easier to install, far quieter and does the same job?
McNAB09 29th April 2009, 16:26 Quote
Its strange that i have just done a search for Coolit related threads on your forum and you posted this one....

http://www.bit-tech.net/news/industry/2009/01/09/coolit-systems-delivers-advanced-liquid-cooling-to-commodore-gaming/1

If its good enough for commodore then its good enough for me!! ;)

I have seen you post a couple of times about the coolit domino, it seems that you have had a bad day when blogging about it.........for someone that was a believer and follower you seem so negative?

You asked "Why would i spend £76.00 ....." its watercooling and not Air cooling! i thought that would be the first obvious difference? Also i dont fancy putting a HUGE heatsink and excessive fans in my system!! i want the hot air to get out of my case not be blown around it lol

I respect people have different opinions but i cannot agree with you...... i stand by what i say


DOMINO ROCKS !!! :D
Tim S 29th April 2009, 16:32 Quote
Quote:
Originally Posted by McNAB09
You asked "Why would i spend £76.00 ....." its watercooling and not Air cooling! i thought that would be the first obvious difference? Also i dont fancy putting a HUGE heatsink and excessive fans in my system!! i want the hot air to get out of my case not be blown around it lol
It's low cost water cooling and it does not introduce any noise or performance benefits. The fan on the radiator is loud and even then you're only getting performance close to a fairly middle of the road air cooler.

At minimum, the fan count increases by one with an air cooler... but with watercooling it's typically advisable to give the VRMs surrounding the CPU socket some additional airflow to prevent them from cooking themselves - that's something an air cooler does without complication.
Bindibadgi 29th April 2009, 16:38 Quote
Quote:
Originally Posted by McNAB09
Its strange that i have just done a search for Coolit related threads on your forum and you posted this one....

http://www.bit-tech.net/news/industry/2009/01/09/coolit-systems-delivers-advanced-liquid-cooling-to-commodore-gaming/1

If its good enough for commodore then its good enough for me!! ;)

I have seen you post a couple of times about the coolit domino, it seems that you have had a bad day when blogging about it.........for someone that was a believer and follower you seem so negative?

You asked "Why would i spend £76.00 ....." its watercooling and not Air cooling! i thought that would be the first obvious difference? Also i dont fancy putting a HUGE heatsink and excessive fans in my system!! i want the hot air to get out of my case not be blown around it lol

I respect people have different opinions but i cannot agree with you...... i stand by what i say


DOMINO ROCKS !!! :D

Firstly, that's not my post - that's an Industry Bulletin - it says it's not written by us at the top. :p

Secondly, I had originally favourable opinions about it because it afforded considerable potential, but after using several for three weeks continually I have come to the long term conclusion it's very flawed in application in many ways. I've not posted this without considerable research and discussion with CoolIT.

It's low cost, low flow liquid cooling - it's not "true watercooling" by any means. Go to Coolercases and try to discuss it - see what they call it ;) It's the middle grey area between high end air cooling and low end full WC kits that's never proved that viable because aircoolers get you 80-90% of the way there.

When you say "a lot of fans" you mean ONE. Even two Noctua NF-12Ps strapped either side are quieter than the 6k RPM Domino pump and 120mm fan. I know, I've sat there and had them side-by-side ;)

I'm not doubting your pleasure with it - good for you to enjoy your purchase! However, from your profile I can see you've only managed 3.4GHz out of a Core i7 920, when 4GHz is easy - 4.3GHz is do-able on "watercooling" even.

:)
McNAB09 29th April 2009, 16:57 Quote
Quote:
Originally Posted by Bindibadgi
Firstly, that's not my post - that's an Industry Bulletin - it says it's not written by us at the top. :p

Secondly, I had originally favourable opinions about it because it afforded considerable potential, but after using several for three weeks continually I have come to the long term conclusion it's very flawed in application in many ways. I've not posted this without considerable research and discussion with CoolIT.

It's low cost, low flow liquid cooling - it's not "true watercooling" by any means. Go to Coolercases and try to discuss it - see what they call it ;) It's the middle grey area between high end air cooling and low end full WC kits that's never proved that viable because aircoolers get you 80-90% of the way there.

When you say "a lot of fans" you mean ONE. Even two Noctua NF-12Ps strapped either side are quieter than the 6k RPM Domino pump and 120mm fan. I know, I've sat there and had them side-by-side ;)

I'm not doubting your pleasure with it - good for you to enjoy your purchase! However, from your profile I can see you've only managed 3.4GHz out of a Core i7 920, when 4GHz is easy - 4.3GHz is do-able on "watercooling" even.

:)

Hi AGAIN lol Im not a Forum freqeunter so bare with me.....

1) My profile states what i happily run it at, i know 4Ghz is acheivable but Overclocking is not my first love so i am happy with 3.4Ghz and it does me just fine :D


2) When you say one fan, i am saying that sitting in front of my mates machine he needed Two 120MM attached to his Heatsink and then additional on his chassis to get any kind of performance, that makes three versus my one on the domino Rad ;)


3) Im not going to say that one is quiter than the other as i know (from working with music in past jobs) that to say "Thats louder than that one" is not a fair acoustic test, If you had tested these in a sound proof lab with the correct equipment then i will bow down gracefully.

4) Commodore Gaming Article - I know its not written by you but as somebody who has posted so many posts and is no doubt respected, to me you are putting your name next to that article.

You said that you ahd not posted without considerable research and discussion with coolit? What did they say about the problems that you experienced?

The main summary to my point is that i have one and did not have the problems that you have listed? Mine has been running a dream since i purchased it and not given me any issues?

.......Again, i stand by what i say DOMINO ROCKS !! lol
Bindibadgi 29th April 2009, 17:09 Quote
Quote:
Originally Posted by McNAB09
2) When you say one fan, i am saying that sitting in front of my mates machine he needed Two 120MM attached to his Heatsink and then additional on his chassis to get any kind of performance, that makes three versus my one on the domino Rad ;)

Well if it works for you then go with it. :)
Quote:
3) Im not going to say that one is quiter than the other as i know (from working with music in past jobs) that to say "Thats louder than that one" is not a fair acoustic test, If you had tested these in a sound proof lab with the correct equipment then i will bow down gracefully.

Oh come on, it's not that hard to ascertain if something is noisier than something else ;)
Quote:
4) Commodore Gaming Article - I know its not written by you but as somebody who has posted so many posts and is no doubt respected, to me you are putting your name next to that article.

LOL it's a PRESS RELEASE posted by me but copied and pasted from what Commodore gave me. It's entirely written by them and has nothing to do with any of us, editorially.
Quote:
You said that you ahd not posted without considerable research and discussion with coolit? What did they say about the problems that you experienced?

They are coming over to the UK to see our concerns first hand. They want to go through everything to discuss each part and how we use it, and I'll post again once we have done. :)
McNAB09 29th April 2009, 17:19 Quote
Quote:
Originally Posted by Bindibadgi
Well if it works for you then go with it. :)



Oh come on, it's not that hard to ascertain if something is noisier than something else ;)

Sorry had to LOL, i was on a roll. Yes you can have an idea if its noisier, personally i think its quiet. Again its all about personal opinion and what you compare it to, but point taken.

Quote:
Originally Posted by Bindibadgi
They are coming over to the UK to see our concerns first hand. They want to go through everything to discuss each part and how we use it, and I'll post again once we have done. :)

Sounds great :D will be great to see what they have to say about your experiences, ill keep my eyes peeled :D

Im off to add my two pence worth in some other threads :D LOL
Tim S 29th April 2009, 17:24 Quote
Quote:
Originally Posted by McNAB09
Sorry had to LOL, i was on a roll. Yes you can have an idea if its noisier, personally i think its quiet. Again its all about personal opinion and what you compare it to, but point taken.
It's called side-by-side comparison... that's something we have more than enough hardware to manage and it's something we do whenever we make any noise comparisons. If we say something is loud, it's because we've tested it side by side with at least one product that's known to be quiet.
Barrolde 29th April 2009, 20:01 Quote
Hi McNAB09 / Bit-Tech staff members,

This is Barry with CoolIT here in Canada. You can call it Murphy's Law, you can call it Lemony Snicket's A Series of Unfortunate Events, you can call it bad luck or you can call it "EPIC FAIL".

Either way, our award winning and much revered new CPU cooler; Domino A.L.C has obviously fallen from grace in the eyes of the more than competent Bit-Tech technical team and it will be my intent to find out why and work to change that when visiting the UK May 13th - 15th.

Certainly there will be more info to be known then. In every other test and review I have seen (and done), the Domino performs as well as the best air coolers and is easier to install. There are other benefits but this isn't just a sales pitch... We sincerely want to know why they aren't seeing the results everyone else has.

I do appreciate Bit-Tech accommodating my visit. Until then!

Cheers,

Barry
Bindibadgi 29th April 2009, 20:14 Quote
Welcome Barry ;)

Looking forward to you coming over - I want to get to grips with both our opinions :):)
thehippoz 29th April 2009, 20:18 Quote
barrolde slips bindi $100 bill.. what do you think of that cooler now!
Turbotab 29th April 2009, 20:34 Quote
Quote:
Originally Posted by Barrolde
Hi McNAB09 / Bit-Tech staff members,

This is Barry with CoolIT here in Canada. You can call it Murphy's Law, you can call it Lemony Snicket's A Series of Unfortunate Events, you can call it bad luck or you can call it "EPIC FAIL".

Either way, our award winning and much revered new CPU cooler; Domino A.L.C has obviously fallen from grace in the eyes of the more than competent Bit-Tech technical team and it will be my intent to find out why and work to change that when visiting the UK May 13th - 15th.

Certainly there will be more info to be known then. In every other test and review I have seen (and done), the Domino performs as well as the best air coolers and is easier to install. There are other benefits but this isn't just a sales pitch... We sincerely want to know why they aren't seeing the results everyone else has.

I do appreciate Bit-Tech accommodating my visit. Until then!

Cheers,

Barry

I'm looking to replace my current cooler, and have read a few good reviews of your product, so I hope you can rectify the issues. If you bring large amounts of cheesecake, I'm sure you will make some new friends!
If everything does go well, maybe you can give a Domino A.L.C away in a competition, what's the cost of one cooler, compared to a trans-Atlantic plane ticket:D
ItchyD 29th April 2009, 21:38 Quote
Hi All, long time reader first time poster

Wow, thats a negative review if ever I saw one, but hey it just goes to show you get what you pay for, cheap end "better tech" doesn't always outperform high end lower tech. Frankly it looks like a novelty product. But then again maybe there was a manufacturing defect with the unit you guys recieved... here's hoping.

ItchyD
Sir Digby 29th April 2009, 21:41 Quote
Quote:
Originally Posted by Turbotab
maybe you can give a Domino A.L.C away in a competition

I wouldn't complain about this either ;)
Barrolde 29th April 2009, 21:47 Quote
Hahha hey guys.. yeah I heard about the cheesecake incident(s). Too bad I wasn't around for that... i love that stuff! Hmm, maybe its best that I wasn't... Bindi, can you still enjoy cheesecake after that?

As for bribing the binder there are two problems; 1) bribes aren't allowed on my expense reports 2) we do not work with anyone who's favour can be bought. We have worked VERY hard to bring Domino to market at this price point and the accolades its earned so far were earned not bought. The goal as I've said will be to figure out why there is a 7 year curse on everything we sent their way!

Turbotab... stay tuned :)

To all interested in a Domino giveaway: I hereby proclaim a contest!!

Can I do that??

Lets wait until after my trip where hopefully performance and acoustic issues are resolved and then we'll see that Bit-Tech is provided some product to give a way as they see fit to their loyal forum members.

B
Bindibadgi 29th April 2009, 22:14 Quote
Quote:
Originally Posted by Barrolde
As for bribing the binder there are two problems; 1) bribes aren't allowed on my expense reports 2) we do not work with anyone who's favour can be bought.
B

This I can attest to - Barry has been excellent (despite being somewhat dismayed ;)) with listening to our opinions and we want to work with people like him who take the rough with the smooth. :)
thehippoz 30th April 2009, 03:47 Quote
Quote:
Originally Posted by Barrolde
Hahha hey guys.. yeah I heard about the cheesecake incident(s). Too bad I wasn't around for that... i love that stuff! Hmm, maybe its best that I wasn't... Bindi, can you still enjoy cheesecake after that?

As for bribing the binder there are two problems; 1) bribes aren't allowed on my expense reports 2) we do not work with anyone who's favour can be bought. We have worked VERY hard to bring Domino to market at this price point and the accolades its earned so far were earned not bought. The goal as I've said will be to figure out why there is a 7 year curse on everything we sent their way!

Turbotab... stay tuned :)

To all interested in a Domino giveaway: I hereby proclaim a contest!!

Can I do that??

Lets wait until after my trip where hopefully performance and acoustic issues are resolved and then we'll see that Bit-Tech is provided some product to give a way as they see fit to their loyal forum members.

B

I like this guy already.. sounds like good customer service to me
Barrolde 30th April 2009, 08:39 Quote
Quote:
Originally Posted by thehippoz
I like this guy already.. sounds like good customer service to me


Spoken like a man who truly wants a give a way contest ;)

Muhaha!

Service, Sales, Marketing, Operations, Light Housekeeping... I get to wear lots of hats which keeps my job interesting :)
azrael- 30th April 2009, 08:52 Quote
Quote:
Originally Posted by Barrolde
Spoken like a man who truly wants a give a way contest ;)

Muhaha!

Service, Sales, Marketing, Operations, Light Housekeeping... I get to wear lots of hats which keeps my job interesting :)
Not so much give away a contest... But I, for one, wouldn't mind to receive a Domino. I promise I'll test it to bits for you (pun not quite intended... :))
crazyceo 30th April 2009, 10:20 Quote
I've read nothing but positive reviews on this cooler and this review goes completely the opposite. Most recently Guru3D gave a glowing review putting it higher than the best air cooled alternative and some watercooled costing slightly more. Their tests showed some really good results.

I'm sure after your visit from Barry things will be put right. Will we get an honest response if it does turn out that you have either knackered the thing yourselves or it does turn out to be very early developement model you tested.

Most UK suppliers stock these coolers now so surely you can go and pick one up and start testing. I'm sure Barry will refund the cost if that model turns out to be pants as well.
Tim S 30th April 2009, 10:39 Quote
Quote:
Originally Posted by crazyceo
I've read nothing but positive reviews on this cooler and this review goes completely the opposite.
This isn't a review, which is why it's filed under the 'blog' section of the site. All of our reviews have scores on them.
Quote:
I'm sure after your visit from Barry things will be put right. Will we get an honest response if it does turn out that you have either knackered the thing yourselves or it does turn out to be very early developement model you tested.

Most UK suppliers stock these coolers now so surely you can go and pick one up and start testing. I'm sure Barry will refund the cost if that model turns out to be pants as well.

We pride ourselves on reporting things as we see them without any influence from advertisers or manufacturers. It's why bit-tech's sales team works on a completely different floor to its editorial team and has no influence in what gets written, when. I don't comment on how our competitors do things, but many manufacturers have told us that we're usually one of the toughest publications to please - some complain about us being 'too harsh', but we prefer to just not mince our words. We do factor in a manufacturers' pitch when forming our opinion to the extent if they tell us a product can do X, we expect it to be able to do that - there is no ponying to their wishes though: once the product arrives in the labs, it should speak for itself and if it doesn't, we'll tell you about it.

To my knowledge, we've had three models - two development and one retail - and both have had problems. We'll be writing a review of the product after we've met with Barry to discuss (and show) our concerns. Maybe we've done something wrong, and if we have, we'll be the first to admit our mistake; from my perspective, there is no shame in admitting you're wrong and making necessary changes to your processes to ensure it doesn't happen again - the problem comes about when you're consistently wrong and fail to acknowledge it. That said, some of our issues happen to be with the product's design and are issues even before we get onto mounting and using the cooler.
crazyceo 30th April 2009, 13:49 Quote
Thanks Tim S, that's reassuring as some sites wouldn't even acknowledge that. It's my hard earned cash I was thinking of spending on this product as I have no experience with watercooling and this was an easy toe in. I fully understand how you have to be ultra tough on products as one bad customer after a good review by you doesn't just reflect badly on the product but also you for recommending it.

I can happily wait for the conclusion.
naokaji 30th April 2009, 14:05 Quote
No low cost WC solution will ever manage to do great, it is simply not possible for them to deal with the heat load of todays cpus.
If anyone wants to prove me wrong, they are welcome to send me any low cost wc solution they want, if any sub 100£ wc solution manages to keep my cpu below the shutdown temp set by intel under 100% load for more than 5 minutes I'll shut up, if not I will continue to call them utter crap.
Barrolde 30th April 2009, 18:13 Quote
Quote:
Originally Posted by naokaji
No low cost WC solution will ever manage to do great, it is simply not possible for them to deal with the heat load of todays cpus.
If anyone wants to prove me wrong, they are welcome to send me any low cost wc solution they want, if any sub 100£ wc solution manages to keep my cpu below the shutdown temp set by intel under 100% load for more than 5 minutes I'll shut up, if not I will continue to call them utter crap.

Dear Friend, I'm afraid your statement is horribly innacurate. I am but mere salesman however I am also rather technically inclined, especially when it comes to thermals.

The efficiency of a cooling solution ie. its ability to transport heat away from the source and deposit in the surrounding ambient is a function of thermal resistance. In order to support your claim you have to have a working understanding of this concept.

Here is a good place to start:
http://en.wikipedia.org/wiki/Thermal_resistance_in_electronics

Water has a lower thermal resistance than metal, in other words.. it more readily accepts heat and for this reason is an ideal medium for transporting heat. Rubbish you say? Check under the hood of your car... aha! A radiator.

In any cooling application you have essentially two components 1) a means of transporting the heat and 2) a means of dissipation. In a heatsink, heat is transported from a concentrated area (CPU) and spread out over a larger area where is can be more easily addressed by a fan. That is why Heatsinks are getting bigger and bigger. The Heatpipes serve to spread that heat equally over the surface area of the cooler. If you can spread the heat out well, you don't need to run a fan as fast to move it off the sink and into its final destination.. the ambient air.

In a liquid application, the exact same logic applies... heat is transported via the liquid contained in tubing (picture these as over size heatpipes) and spread out over the surface area of a radiator which is essentially a heatsink for liquid. Thats why radiators have all these little fins, to increase the amount of places for the heat to live.

The difference in temp between your CPU and the ambient air reflects the thermal resistance of the system. The lower the resistance, the closer your CPU temps will be to the air in the room. If you had Zero thermal resistance, your CPU would run at room temp (which is ideal). So in other words, the lower the thermal resistance.. the cooler your CPU will run.

This is what we do, we engineer to reduce the thermal resistance at EVERY step along the way, we develop our own waterblocks, TIM, radiators, fans and controllers to deliver a package that meets a certain performance, acoustic and cost metric. In the case of the Domino the performance and acoustics (usually Bindi!!!) outweigh the cost which makes it a good value. Of course, the fact that it looks sexy in your case and has a 2 year warranty doesn't hurt either ;) If the science boreas you, just ask yourself... would we warranty something for two years that could not cool your Intel chip for 5 mins?

Rant over.

Just joking. We also have sealed liquid systems (Freezone Elite, Boreas) based on thermoelectrics too which actually have a negative thermal resistance. In other words, they actively transport heat from side of their surface to the other. That is how you get a component to run BELOW the ambient room temperature.. the resistance of the cooler is negative so in effect it is not absorbing heat from the source but actively withdrawing it so there is less heat there than in the room its in. Of course there are many intricacies of this art as well that I'll spare you of that for now. Later this year, we'll be trying to get those units into the Bit-tech labs as well.

Listen, I'm sorry for the short novel here but I love my job and I love this industry so sometimes when people make sweeping statements like the above based on little to know real knowledge of the subject I take it upon myself to provide a little info on the subject.

Long story short. You can continue to call them utter crap if you like but you would be wrong.

Heatsinks work well, the Domino works well, DIY water works well... There are different coolers for different folks, its a big world guys :)

-Barrolde
Barrolde 30th April 2009, 18:31 Quote
Quote:
Originally Posted by crazyceo
Thanks Tim S, that's reassuring as some sites wouldn't even acknowledge that. It's my hard earned cash I was thinking of spending on this product as I have no experience with watercooling and this was an easy toe in. I fully understand how you have to be ultra tough on products as one bad customer after a good review by you doesn't just reflect badly on the product but also you for recommending it.

I can happily wait for the conclusion.

Hi Crazy,

I could not agree more. As a consumer and a manufacturer, this is what I like to see as well. It kills me that they have had as many issues as they have but I am confident we will get past it.

Regards,

B
badders 30th April 2009, 18:34 Quote
Quote:
Originally Posted by Barrolde
...snip...

Barrolde, Please can you ignore the fact that you work for CoolIT, and post in more sections of the forums?

So nice to have well contructed, well written posts.
Not that I can claim to have any knowledge on the subject matter, but it definitely read well!
naokaji 30th April 2009, 23:24 Quote
Quote:
Originally Posted by Barrolde
snip


There is no reason for you to claim a cheap wc solution could keep my cpu cool other than the fact that you work for CoolIT.

Let's look at a review, here for example (it's not a CoolIT product on purpose, so you don't loose your job if you are honest).

66C with a freaking dual core, so how do you think it would do on a I7 running beyond 4ghz?
bullseye 1st May 2009, 01:55 Quote
Yoyotech have it installed in there water dragon system keeping a AMD Phenom II X4 925 oc to 3.6. Temps 30 idle 35 under intesive load according to PCpro

http://www.pcpro.co.uk/reviews/250613/yoyotech-water-dragon-36.html
thehippoz 1st May 2009, 02:23 Quote
Quote:
Originally Posted by naokaji
There is no reason for you to claim a cheap wc solution could keep my cpu cool other than the fact that you work for CoolIT.

Let's look at a review, here for example (it's not a CoolIT product on purpose, so you don't loose your job if you are honest).

66C with a freaking dual core, so how do you think it would do on a I7 running beyond 4ghz?

think he was saying they found a way to reduce the thermal resistance where the liquid is somehow colder than ambient? maybe they are using a peltier
tseax 1st May 2009, 04:28 Quote
I've had a Domino for several months now (and I happen to live in their home city - surprised I was). I was initially disappointed with the performance of the Domino because it's (at the time) reviewed overclocking performance was NOT what i was experiencing. I mean, 50-degrees on an Intel i7 920 at 100% load? Really... Mine runs at 40-degrees C at idle and this is my second unit (replaced on warranty after a pump failure) and 3-installations later. After your third installation you won't find it difficult to install (Richard). At any rate, I find no further need to overclock (why bother?) and the unit self-adjusts cooling fan RPM which makes it a set-it-and-forget-it CPU cooling solution which works for me - the stock fan certainly did not.

Greets to all you Brits from Canada!
Barrolde 1st May 2009, 17:19 Quote
Quote:
Originally Posted by naokaji
There is no reason for you to claim a cheap wc solution could keep my cpu cool other than the fact that you work for CoolIT.

Let's look at a review, here for example (it's not a CoolIT product on purpose, so you don't loose your job if you are honest).

66C with a freaking dual core, so how do you think it would do on a I7 running beyond 4ghz?

I am trying to be nice here so please give me the benefit of the doubt. This is my life, this is my job... I know what I am talking about.

Your statement is like saying 'there is no way a $5,000 vehicle can go 80km / hour' and then linking to a bicycle.

I've made an honest effort to backup my claims and give you some facts but you seem to have already formed your opinion.

I am sorry for making outlandish claims about our products when you have obviously just proved me wrong. That's fine... the only thing I worry about is having to explain your points to these people: http://downloads.coolitsystems.net/DominoReviewList.pdf

Regards,

Barry
Barrolde 1st May 2009, 17:24 Quote
Quote:
Originally Posted by thehippoz
think he was saying they found a way to reduce the thermal resistance where the liquid is somehow colder than ambient? maybe they are using a peltier

Hi thehippoz,

Thats kind of what I was saying. We do have products that use TEC's but the Domino isn't one of them. I was really just trying to explain how thermal resistance works so he could understand how cooling a CPU works.

Perhaps I elaborated too far by throwing the bit in about TEC's at the end. I think that is a discussion best kept for another day.

Cheers!
Barrolde 1st May 2009, 17:27 Quote
Quote:
Originally Posted by tseax
I've had a Domino for several months now (and I happen to live in their home city - surprised I was). I was initially disappointed with the performance of the Domino because it's (at the time) reviewed overclocking performance was NOT what i was experiencing. I mean, 50-degrees on an Intel i7 920 at 100% load? Really... Mine runs at 40-degrees C at idle and this is my second unit (replaced on warranty after a pump failure) and 3-installations later. After your third installation you won't find it difficult to install (Richard). At any rate, I find no further need to overclock (why bother?) and the unit self-adjusts cooling fan RPM which makes it a set-it-and-forget-it CPU cooling solution which works for me - the stock fan certainly did not.

Greets to all you Brits from Canada!

A couple of Calgarians meet in a UK forum haha.

Go Flames!!!1?! :'(
alpaca 3rd May 2009, 11:17 Quote
do not understand me wrong, i have seen watercooling beating the crap out of aircooling, but in the end, i do not understand why. if i understand you correctly, watercooling (w/o all the TECs and stuff) is aircooling where the heat source and the heatsink do not directly touch each other. i fail to see why a waterloop with the same dissipating area dissipates more heat than a decent aircooler.
i can see the advantage of displacing the heat in a small, low airflow case, but in a big nice high airflow case?
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