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Pci exp 2.0 - 2.1 difference

Last response: in Graphics & Displays
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May 29, 2010 8:40:04 AM

Hi guys, I'm buying an HD5850 tomorrow, and the store I'm buying from has 2 different HD5850's. One has the brand of Sapphire and the other Asus. When I compare their specs I see that Sapphire has PCI Exp 2.0 and the Asus PCI Exp 2.1. Asus is like 20$ more expensive. Other than that there's no difference but the shiny design of Asus.

1. What's the difference between them if there is one?

2.If I buy the Asus one, will my motherboard also need to have PCI EXP 2.1 support? or 2.0 motherboards also support 2.1's? Sorry I'm kinda newbish here.

FYI, gonna post some specs I'm buying here:

ASUS M4A77TD PRO/U3S6 AMD AM3+ DDR3 1800MHz(O/C)Sata3.0 USB3.0
HD5850
AMD Phenom II x4 965 Black Edition AM3 3.4Ghz 8Mb Cache 45nm
CORSAIR 4 GB (2*2GB) KIT Dominator DDR3 1600MHz CL9 Ram

P.S: I know this isn't the right place but a cheap but good PSU advice would also be great. (can't afford 750w corsairs atm)

Thanks

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May 29, 2010 8:58:47 AM

Okay maybe they posted the specs wrong on their site then. I'm so close to buying a new computer so getting nervous about every small detail. :)  Thanks
a c 169 U Graphics card
a b Ĉ ASUS
May 29, 2010 9:51:37 AM

Yeah its a mistake :)  and you are welcome
!