Why does the mvBlueFOX3 not reach the full bandwidth with Gigabyte motherboards?
With Gigabyte motherboards it is possible to set a property called "xHCI Mode" in the BIOS. In combination with the property "xHCI Pre-Boot Driver" you can influence the pre-boot behavior of the USB 3.0 ports, before the BIOS starts the operating system.
Now changing "xHCI Mode" to "Disabled" will turn off USB 3.0 entirely and makes all the ports USB 2.0. for this reason, please check if the "xHCI Mode" is set correctly in the BIOS.
This only applies to the Z77, H77, B75 and Q77 boards with integrated Intel USB 3.0 ports.