Feature:1. The 2.5inch NVMe SSD can be directly connected to the motherboard, supporting ultrafast PCI Express X16 channels.2. The transmission bandwidth is up to 32GT/S, and it can support U.2 SFF-8639 2.5-inch SSD drive size.3. Hard disk compatible: U.2 SSD, SAS SSD, SATA 7+15 SSD, 2.5inch SSD / Hard disk.4. Compatible for Windows 10/8/Windows Server 2012 R2/Linux series/Fedora/SUSE/Ubuntu/Red Hat.5. The native drivers all support PCIeNVMe, PCIE Gen3, PCIE Gen2, and PCIE Gen1, recommended to use PCIE Gen3 slot for high performance.Specification:Item Type: Adapter Card Bus Type: PCI-E X16Transmission Medium: 1 x U.2 SFF-8639 NVMe SSD connectorTransmission Rate: 32 GT/S (PCIe Gen 3x4)Hard Disk Compatible: U.2 SSD, SAS SSD, SATA 7+15 SSD, 2.5-inch SSD / Hard diskSize: Approx. 6.4cm / 2.5in .Package List:1 x Adapter Card