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-   -   PCI Express 3.0 video card on PCI Express 2.0 motherboard, will it work? Compatibles? (http://www.linuxquestions.org/questions/linux-hardware-18/pci-express-3-0-video-card-on-pci-express-2-0-motherboard-will-it-work-compatibles-4175449175/)

nando321 02-08-2013 09:16 AM

PCI Express 3.0 video card on PCI Express 2.0 motherboard, will it work? Compatibles?
 
Hi again guys. Well, I've been searching around the internet for a new video card that I want to buy and I've chosen the GeForce GTX 650. Right now I have a GeForce GT 430 installed on my computer and it works very well but it is a little slow for my needs.
So I'm thinking of purchasing the one mentioned before, the GTX 650 but after reading on websites blogs and other stuffs I have a serious concern about its compatibility (I think it maybe won't use all of it's full capacity) with my ASRock G31M-GS / G31M-S motherboard which uses PCI EXpress 2.0. Am I right about it? What do you people know about this sort of things?

I'm anxious to know your thoughts, you can express your knowledge freely. (No fighting please)...

H_TeXMeX_H 02-08-2013 10:01 AM

PCIE 3.0 is backwards compatible with 2.0, the only difference is maximum transfer rate.

See:
http://www.geforce.com/hardware/desk...specifications
Doing the calculations and reading note #1, PCIE 2.0 is all that you need and PCIE 3.0 will not help.

cascade9 02-09-2013 01:37 AM

ASRock G31M-GS is PCIe 1.1, not PCIe 2.0-

Quote:

Chipset - Northbridge: Intel® G31
http://www.asrock.com/mb/intel/g31m-gs/

Quote:

PCI Express Revision 1.1
http://ark.intel.com/products/31913/...ory-Controller

I'd assume that calling the GT430 'a little slow' you are using the system for gaming? There wont be any different for normal desktop tasks between a GT430 and a faster 'gamers' card (and the GTX 650 is at best an 'entry' level gamers card).

For gaming there can be quite a difference between PCIe 1.1, 2.0 and 3.0-

http://www.techpowerup.com/reviews/I...Scaling/1.html

I'd save my money for a newer motherboard/CPU with PCIe 2.0/3.0 and a 'real' gamers card.


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