ASRock Z97 Extreme6 Review: Ultra M.2 x4 Tested With XP941

ASRock has a history of bringing new features to motherboards where others can tread conservatively. For the Z97 Extreme6 we have an M.2 slot that runs at PCIe x4, with lanes taken direct from the CPU. We test the motherboard, the performance of this slot, and the effect of dual-GPU gaming with four CPU PCIe lanes tied up in storage.