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Would I notice a speed drop using both my x16 slots?

Phil2008

Phil2008

Phil2008

Soldato
Joined
17 Dec 2004
Posts
8,758
Hey guys, Im thinking about buying a PCIE SSD card, but I would have to fit it in my other PCIE x16 slot because my small PCIE slots are only x2. So would I notice a drop in graphic card speed, as the x16 slots drop to x8 if both slots are used?
 
Thanks guys for putting my mind at rest, as I have never used both pcix 16 slots before because of this reason and I thought the gfx card would suffer. So Im guessing the cpu would bottle neck the gfx card first, before the motherboard does?
 
arc@css;30492267 said:
I can't remember exactly what percentage of performance would be lost by having one lane working at X8 vs X16, but I know it was very low - even on PCI-E Gen 1.0 IIRC.
Click to expand...

Ah cool, Im PCIE 2.0 speeds. I should upgrade my cpu to ivy bridge to get 3.0 speeds.

Just looking now at the PCIE SSD cards and they are quite a bit more expensive then SATA SSD drives:mad:
 
Apparently if I change the cpu to ivy bridge, the motherboard will change to 3.0 speeds....

GIGABYTE Announces 6 Series Ready to Support Native PCIe Gen. 3
Future Proof Your Platform for Next Generation Intel 22nm CPUs

I have just looked at some PCIE 2.0 vs 3.0 and the different is quite large with 8x....... From that chart it looks like if I change my cpu to get PCIE 3.0 speeds, the PCIE 8X speeds will be more or less the same as PCIE 2.0 16x speeds... Ummmmm

Image2.jpg
 
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