PCIe Gen3 x16 interface Supports M Key type 2242/2260/2280/22110 M.2 PCI Express module Gen3 x4 32Gb/s Supports Intel VROC technology Fully support Intel latest NVMe M.2 SSD Variable speed cooling fan ASRock Ultra Quad M.2 Card Utility Bootable M.2 RAID SupportSupports up to 4 PCIe Gen3 x4 NVMe M.2 SSDs on AMD X399 platform and Virtual RAID on CPU (VROC) technology on Intel X299 platform*. Allows All-Aluminum Cover & Fully Cover Thermal PadThe 11-cm-long thermal pad is able to fully cover every NAND flash on M.2 SSD, transferring heat generated by the high speed M.2 SSD onto the aluminum cover. Extend the longevity of each devices.Adjustable Cooling FanApart from the large aluminum cover, the 5cm cooling fan can not only quickly dissipate the heat but also lower the temperature to ensure a stable performance of M.2 SSD. Whats more exciting, the fan speed can be adjustedThe Shortest TraceThe onboard four M.2 sockets are laid out on PCB at an angle (45 degrees). The shape is optimized t