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Old 04-12-2010, 05:56 PM   #1 (permalink)
cwiz
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Default PCI-e 2.0 card in a PCI-e 1.0a Slot... Max Speed?

I have a HD 3850 in my older MSI K8N Neo4-F motherboard with an amd x2 3800+ and 2gb of ddr 400 ram and a ~600w psu with a beefy 12V rail so i'm not worried about being short on power... i'll repost when i get home with actual numbers

It kinda sucks compared to the super-clocked 7900GT I had in there before it fried Volt mods are fun but they dont last for ever!

According to wikipedia, most PCI-e 2.0 cards are compatable with older PCI-e 1.0 slots. This is good news for me, but the catch is that the newer card can't run any faster than the 250 MB/s data rate and 2.5 GT/s transfer rate (max speed for pci-e 1.0)

So my question is, how do I know when a newer card will be maxing out the speed of my old PCI-e 1.0a x16 slot?

I want to keep the cost under $150 so I've been looking at the GTS 250 and HD 4850. Any idea what rates these cards run at? Can I go for a better card?
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