Tagan to power Quad-SLI systems

Written by Tim Smalley

March 22, 2006 | 20:20

Tags: #7900 #900w #g71 #geforce #gpu #quad #renegade #sli #turbojet #xps

Companies: #dell #nvidia #tagan

Tagan was showing off a very special power supply unit at this year's CeBIT tradeshow - it's responsible for powering all of the pre-built Quad-SLI systems from the major OEMs, including Dell's XPS 600 Renegade.

The TurboJet 900 is a 900W behemoth with a total of four 6-pin PCI-Express power adapters and it also features dual transformers for super-stable power lines. Tagan has worked closely with NVIDIA in order to comply with their strict SLI certification program. From what we understand, the company has earned exclusive rights with NVIDIA's Quad-SLI OEM partners, as they're the only company with certification for powering Quad-SLI systems.

(Editors note: since publishing this story it appears that the goalposts have changed. We were under the impression that Tagan was the only officially certified Quad-SLI partner. However, it now seems that NVIDIA has suspended its Quad certification programme for now which means that the playing field is level again. Tagan is the only power supply that we've actually seen in Quad-SLI systems in Germany and in the UK, but that is not to say that they have any exclusive deal, and we understand that other PSU manufacturers including FSP and PC Power and Cooling have been working with NVIDIA.)

NVIDIA recommends a high quality 550W power supply unit for use with a pair of GeForce 7900 GTX's, so it comes as no surprise that the power requirements for Quad-SLI are so high. The cards will be clocked slightly lower than the GeForce 7900 GTX's at around 500/1300MHz. Of course, NVIDIA will use their flagship 90-nanometre G71 GPU on these cards. At those speeds, the card will not require an awful lot of cooling, in the same way that the GeForce 7900 GT is able to run flawlessly with such a tiny cooler.

In fact, the Dell XPS 600 Renegade demo system at CES had external power connectors going into the dual-GPU video cards in order to provide them with sufficient power. At CeBIT, the cards looked a little different and there was no external power requirement for the cards anymore.

The company also said that they're likely to produce 1000W and 1100W versions of the same unit at some point, too. We managed to grab some shots of the insides of the 900W unit while we were on Tagan's stand:

In related news, HardOCP reports that Dell's XPS 600 Renegade is shipping from today and the company is expected to sell around 30 of them in total at a staggering US$9930! Watt about that, eh? We didn't expect that system to cost quite that much!

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