So how can I be sure the board is not x8? Is there any Vista64 software that confirms the PCIe clock? Even if the board is x16 is it worth upgrading the board for a PCIe 2.0 board? Possibly the 750i chipset ( ASUS P5N-D)?
Thanks for the help.
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No, the actual increase for 2.0 right now is quite small, only 4-5 percent tops. If your not using SLI you're not even maxing out a 16x 1 slot.
It is x16. Gigabyte lists it as x16 on the spec sheet