Feature:1. Interface: M.2 NGFF to PCIE X16 adapter. Ordinary PCIE X4 X8 X16 interface can be converted into M.2 NGFF interface with this adapter.2. Plug and Play: Easy to set up, lightweight and portable, plug and play. You can use an NVME SSD with an adapter that doesn't have an M.2 slot on the motherboard.3. 4 Fixing Holes: There are 4 fixing holes on the board, which are 22x32mm, 22x42mm, 22x60mm and 22x80mm. Support For OS X, for Windows8, for Windows 10, for Linux, etc. system4. Supported Protocols: M.2 expansion card supports M.2 for NVME protocols such as for PM961, for 960EVO, for SM961, for PM951, for SM951, for INTEL 600P, for Liteonit T10, etc. SATA protocol M.2 is not supported.5. Applicable Scope: M.2 NVME (Key M) SSD to PCIe X16 adapter. Works with any M.2 hard drive with standard PCIE EXPRESS or NVME. Support PCIE 3.0 4X signalSpecification:Item Type: M.2 to PCIE3.0X16 Adapter CardMaterial:PCBApplicable Disk: NVME M.2 SSD with Various PCIE ProtocolsInput Interface: NVME M KEYOutput Interface: PCIE X4Support Slot: PCIE X4 X8 X16Product Features: High speed signal enhancement technology, full speed, no lag, motherboard will not self check for a long time, short design supports 1U serverSupport System: For OS X, for Windows8, for Windows 10, for Linux, etc..Package List:1 x Riser Card1 x Heatsinks1 x Screw1 x Nut1 x Screwdriver