Gaming OCZ RevoDrive + Asus p5n-e sli = ?

raulpica

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From Wikipedia:
A PCIe card physically fits (and works correctly) in any slot that is at least as large as it is (e.g., an ×1 sized card will work in any sized slot);
Anyway, isn't an OCZ RevoDrive a bit overkill? Just get an OCZ Vertex 2/3 with a SATA connector (it also costs less) :P
 

marcus134

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you can fit smaller pcie card than the pcie slot width.
actually things can be even more messed up as pcie slot width may not equal the number pcie lane available on that slot and also most card can function with less pcie lane than what they would ideally require.


Wikipedia said:
A PCIe card fits into a slot of its physical size or larger (maximum ×16), but may not fit into a smaller PCIe slot (×16 in a ×8 slot). Some slots use open-ended sockets to permit physically longer cards and negotiate the best available electrical connection. The number of lanes actually connected to a slot may also be less than the number supported by the physical slot size.

An example is a ×8 slot that actually only runs at ×1. These slots allow any ×1, ×2, ×4 or ×8 card, though only running at ×1 speed. This type of socket is called a ×8 (×1 mode) slot, meaning it physically accepts up to ×8 cards but only runs at ×1 speed. This is also sometimes specified as "×size (@×capacity)" (for example, "×16(@×8)"). The advantage is that it can accommodate a larger range of PCIe cards without requiring motherboard hardware to support the full transfer rate. This keeps design and implementation costs down.
 

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