Gigabyte P55 board with Turbo SATA3/USB3.0 reduces graphics card PCIe bus to 8X when USB3.0 is enabled
From the manual of GA-P55A-UD3P, it is stated that when the Turbo SATA3 or USB 3.0 is enabled, the PCIe graphics slot will drop from PCIe x16 to PCIe x8.…