right is Legacy and left is UEFI!
if you have a UEFI BIOS with Fast boot and Windows 8 features enabled in your BIOS use the Left (towards the crossfire Bridge area / rear of case) other is better if you have a non UEFI board with a basic BIOS! (if you...
if you have a UEFI BIOS with Fast boot and Windows 8 features enabled in your BIOS use the Left (towards the crossfire Bridge area / rear of case) other is better if you have a non UEFI board with a basic BIOS! (if you...