Feature:1. NVME PCIe Protocol: Supports 4 NVME PCIe protocol SSD solidity state drives (SSD solidity state drives that do not support B key M.2 SATA protocol), full speed 32Gbpsx4.2. 4x32Gbps: 4x32Gbps full speed signal, imported high power DC power chip, no disk drop, no slowdown, no blocking.3. Support Protocol: The motherboard supports PCIE split or PCIE RAID function, supports PCIE3.0, 4.0 transmission protocol.4. PCIE X16 Interface: thickened PCB, stable PCIE X16 interface, support PCIE3.0 4.0 high speed transmission protocol, and backward compatible with 2.0/1.0.5. Heat Dissipation: Stacked cooling fans to strengthen heat dissipation, effectively solve heat dissipation problems, prolong the service life of SSD, and better protect the excellent high speed state of the hard disk.Specification:Item Type: M.2 PCIE AdapterMaterial: PCB, Aluminum AlloyModel: PA14 RTKSupport Hard Disk: SSD/M.2 PCIE Device with M.2 NVME ProtocolTransmission Speed: 4 x 32GbpsSupport: 4 NVME PCIe Protocol SSD SSD Size: 2230/2242/2260/2280mm (SSD that do not support B key M.2 SATA protocol)Tip: Win 8/10 Systems Have Their Own Drivers, and Win 10 can implement soft RAID (Other Systems Need to Install Drivers).Package List:1 x Riser Card4 x Screws4 x Nuts1 x Screwdriver