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MSI 6950 CF Advice

bindip1

bindip1

bindip1

Associate
Joined
12 Feb 2007
Posts
354
I recently upgraded from a 4890 to a MSI 6950 Twin FrozR III. Fantastic card, ran the BF3 beta on high settings with great FPS.

But I'm suddenly getting a twitch to buy another and crossfire them to run BF3 and other games in maximum glory.

I'm a crossfire n00b so my questions are:

1. Would one Corsair TX650w cope powering my system and potential CF setup?
2. What PSU would be good to power two MSI 6950 ?
3. The space on my mobo from the top graphics card slot is small, how will it cope with heat ?

At the moment I can just about afford another 6950 but if I need to upgrade my PSU I might have to wait a bit longer.

Full system specs:
Corsair TX650W
i7 920
6 gig of ram
3 hard disks
Asus P6T SE X58
24 inch Samsung 1980 x 1080

:D
 
A 650w PSU won't be enough, even if it's a Corsair. I bought a Corsair TX 850w to power my 6950s without issue. I use a small motherboard so there's hardly any space between the two 6950s and temperatures have hardly gone up compared to when it was just one card.

Basically you are in the exact same boat that I was two weeks ago :)
 
Based on this 650W (624W on the 12V rail) is enough.

I wouldn't go mental on the overclocking though and running Furmark and Prime95 together might push it close to the edge.

In "ordinary" use 650W is enough. You'd have to get the molex adapters out though as you'd need 4 PCI-E power connectors and I believe your PSU only has 2.

Bigger would be better but 650W would be OK.
 
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