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PCI Express 2.1 vs 2.0

post #1 of 10
Thread Starter 
i just ordered a 5850, but i just realized that it uses pci express 2.1 as opposed to the standard 2.0. what is the difference and will my board be compatible.
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post #2 of 10
Dont know what the difference is, but yes, it will be compatible
post #3 of 10
All PCI-e revisions are backwards compatible.

From Wikipedia:

"PCI Express 2.1 supports a large proportion of the management, support, and troubleshooting systems planned to be fully implemented in PCI Express 3.0. But, the speed is the same as PCI Express 2.0."
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post #4 of 10
um what? I've never heard of 2.1...

ed: hmm wiki has one line on it. Nothing major, probably why i've never heard of it. Highly doubt there's motherboard support yet (or ever)...
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post #5 of 10
Quote:
Originally Posted by Jyr View Post
All PCI-e revisions are backwards compatible.
this
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post #6 of 10
You won't see any performance loss ,Congrats on your new card
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post #7 of 10
Thread Starter 
i never did either. i just assumed all were 2.0, but then i saw 2.1 next to the item description and was caught off guard.
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Panasonic Viera 32" DT30 Power & Cooling MK3 600Watt Lian Li K-62 lancool 
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My System
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CPUMotherboardCoolingOS
x6800  Asus P5P43TD Hyper 212+ Evo Windows 7  
MonitorPowerCase
Panasonic Viera 32" DT30 Power & Cooling MK3 600Watt Lian Li K-62 lancool 
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post #8 of 10
hmm the diference is that the pcx 3.0 is near.....
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post #9 of 10
cool necro bro
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post #10 of 10
did u get your card yet ?? is it working me too gonna buy either 6870 or 6850 2GB .. please tell me which 1 should i buy 6870 or 6850 2g ..
i saw some where 2 gb means specification *2
(speed, data flow, bit rate) *2 ???
please help me to choose 1 of them
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