will pci express x16 cards work on pci-e x8 slots? - Techist - Tech Forum

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Old 08-21-2006, 07:59 PM   #1 (permalink)
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Default will pci express x16 cards work on pci-e x8 slots?

Will pci-express x16 video cards work on pci-express x8 slots just at a little slower speed?
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Old 08-21-2006, 08:37 PM   #2 (permalink)
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You are correct.
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Old 08-21-2006, 08:42 PM   #3 (permalink)
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How much slower...half? i honestly dont know anything about the new pci express slots...i got out of computers for a few years and am just trying to get caught up on the new technology.
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Old 08-21-2006, 08:43 PM   #4 (permalink)
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I guess so, half as fast...yea
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Old 08-21-2006, 09:54 PM   #5 (permalink)
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No, it will be the same speed. For now anyway. PCI-X does not currently use all the bandwidth it has to offer.

Correct me if I'm wrong.
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Old 08-21-2006, 10:21 PM   #6 (permalink)
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Quote:
Originally posted by CrazeD
No, it will be the same speed. For now anyway. PCI-X does not currently use all the bandwidth it has to offer.

Correct me if I'm wrong.
You are correct, although it is not PCI-X, it's PCI-e

I don't believe any of the cards at the time utilize the full bandwidth of PCI-e x16 so performance will most likely not be affected at all. The 7950X2 may be an exception to this, not sure.
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Old 08-21-2006, 10:26 PM   #7 (permalink)
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so before i buy anything let my make sure...i could run basically any x16 video card in an x8 slot other than the 7950?
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Old 08-21-2006, 10:45 PM   #8 (permalink)
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Quote:
Originally posted by idiotec
You are correct, although it is not PCI-X, it's PCI-e

I don't believe any of the cards at the time utilize the full bandwidth of PCI-e x16 so performance will most likely not be affected at all. The 7950X2 may be an exception to this, not sure.
Oops, I meant PCI-e.
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