Supports two M.2 SSD simultaneously (One SATA interface and one NVMe interface) Converts one M.2 NVMe SSD (M Key) interface to PCle 4.0 x4 interface (PCIe 3.0 2.0 1.0 Compatible), Converts one M.2 SATA SSD (B Key or B+M Key) interface to SATA 6Gbps interface (SATA cable connection required). With advanced heat sink solution, PCB 24 X 5 copper hole effective ventilation heat dissipation, Including 2 heat sinks Supports M.2 SSD size 2230, 2242, 2260, 2280, 22110mm Including a regular size slot brackets for flexible system chassis installation. LED power and data transfer status. No driver installation required Product name: NVME hard drive adapter expansion card Number of interfaces: M KEY NVME interface*1 B KEY SATA interface*1 Applicable slot: PCI-E X4/X8/X16 Bus bandwidth: Theoretical speed 32Gbps Product size: 120MM x 142MM x 68MM Applicable system: Support for Windows NOTE: You are kindly reminded that the 7-pin SATA cable must be connectedto motherboard if you want to read the M.2 SATA SSD (Key B). You are kindly reminded that this adapter only support PCIe X4 X8X16 slot. DO NOT support PCIe X1 and PCI slot. Colour:As Shown Material:PCB Package Contents: 1 * PCIE Adapter