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PSU requirement discrepancies?

B

BIG$pender

Weaksauce
Joined
Sep 12, 2007
Messages
98
I am going to be building a new rig soon, and have found some wattage discrepancies on the manufacturers websites. On BFGs website they say their gtx 295 requires 680 watts, with a combined 12v current rating of 46 amps or more. On Corsairs website, their PSU finder, sais' that even the 520 watt HX would be enough. Now granted it has 54 watts across its 3 12v rails, It dosen't have the wattage that BFG reccomends. I currently have a 620 HX, but it dosent have the 8 pin connector for the video card, And i dont want to run the 2 6 pin PCI express, And 2 extra molex connectors, Because...well thats just too many damn cables. Here is the system i'll likely be building.

MOBO: ASUS P6T Deluxe V2
CPU: Intel Core i7 920 @ 2.66 GHz
RAM: CORSAIR DOMINATOR 6GB (3 x 2GB) DDR3 1866 TR3X6G1866C9DF
VIDEO CARD: BFG Tech BFGEGTX2951792BE GeForce GTX 295
1 SSD harddrive, 2 120mm fans, 1 140mm fan, and 1 optical drive

So what gives with these websites contradicting eachother? What should i do?
 
Contact Corsair and ask them to send you an 8 pin PCI-E cable....they will do that for free.
The HX620 has plenty of power for your proposed setup.

As for power requirements for a card, companies have to figure on the fact that not just the card needs power, and with a card like the GTX295, they are assuming you are using pretty high end compents. It is in their best interest to overestimate, so they don't have a bunch of returns because people with crappy power supplies blame the card when it is really their POS PSU that can't deliver the power that it claims it can deliver. On the other hand. Corsair is selling quality PSUs, they are not selling the videocard, so they know the capabilities of their PSUs, while BFG doesn't know the capabilities of all of the different PSUs, their card buyers might have.
 
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