ASUS P5N-E SLI and GPU

Hi everybody
I got a rig whits:
OS: Windows 7 Professional 64-bit
Motherboard: ASUS P5N-E SLI
CPU: Intel Q6600 2.4GHz quad Memory: 2x 2GB Corsair XMS2 800MHz
GPU: 2x MSI Nvidia 8600 Diamond Plus
HDD: 3x Samsung SpinPoint 500GB
Power-plant: Apevia 680W

http://www.tomshardware.co.uk/forum/293799-15-upgrade-geforce-nforce-650i-pcie-board
Member: ct1615
Quote:
2.0 cards have no issue running in 1.0 slots. 2.1 cards sometimes have issues in 1.0 slots when there was no BIOS update done by the manufacturer to support 2.1.

I read that and did make some thinkings, but are so uncertain what it means to me.
So my question is how good GPU can i put in my rig and still it will work well?

Thanks in advance!

sorry for bad grammar
and perhaps double post
4 answers Last reply
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  1. You could probably dump a pair of GTX480's there without too much of a hassle....after you get a new PSU....lol.....
    Are those x8 PCIe 1.0? If so, dual GPU is not an option.
    In 16x mode, I suppose any single GPU card like a 5870 or a GTX480 will work with maybe a 5-8% drop in frames as compared to PCIE 2.0....
  2. Suggestion: Get a 5850 or a GTX470- should stay well within that PSU's capabilities.
  3. Dual gtx 480's wont run on that psu...lmfao..heck, even dual 5850's would have a hard time
  4. madass said:
    You could probably dump a pair of GTX480's there without too much of a hassle....after you get a new PSU....lol.....
    Are those x8 PCIe 1.0? If so, dual GPU is not an option.
    In 16x mode, I suppose any single GPU card like a 5870 or a GTX480 will work with maybe a 5-8% drop in frames as compared to PCIE 2.0....


    How do i see if its 1.0 or 2.0? But if i would guess its 1.0.
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