Corsair breaks 2GHz barrier with DDR3

Written by Tim Smalley

June 6, 2007 | 18:26

Tags: #12800 #1600mhz #2gb #2ghz #4gb #channel #ddr3 #dominator #dual #ghz #matched #mhz #modules #pair #performance #speed

Companies: #corsair

Earlier today, Corsair showed us how how it had broken through the 2GHz memory bus speed barrier with a pair of 1GB Dominator DDR3 modules in an Asus P5K3 Deluxe motherboard.

Just yesterday, the company announced that it would be shipping the world's first DDR3-1600 memory within a week. The new modules run at timings of 10-8-8-24 at their rated speed and they're the modules that Corsair used to break this speed record.

In order to achieve a 2GHz memory bus, Corsair had to loosen the timings from their rated 10-8-8-24 down to 10-10-10-24, which isn't too bad considering the scaling. Still, these timings are pretty lax compared to what we're used to with DDR2 memory.

Voltage had to be increased to 2.0V in order to get the modules stable at these speeds. However, Corsair's representatives told us that with thanks to its DHX heatsink technology though, the module's lifespan wouldn't be affected by this relatively high voltage for DDR3 - JEDEC's DDR3-1066 standard stipulates a 1.5V supply voltage, for reference purposes.

In addition to this impressive feat, Corsair also demoed a 4GB DDR3 kit running at 1600MHz with 9-9-9-24 timings. Of course, 4GB of RAM isn't much use if you're not running a 64-bit OS, because 32-bit OSes can only access 4GB at maximum. Windows Vista, for example, can only address 3.25GB of RAM in its 32-bit flavour.

We'll leave you with a couple of pictures...

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