SSD Adapter M2 SSD To U.2 Adapter M.2 NVMe M.2 SATA NGFF SSD to PCI-e U2 SFF-8639 Adapter PCIe M2 Converter For Desktop Computer About Description: M.2 to U.2 expansion card Integration of high-speed signal enhancement technology and full-speed transmiion; Accurate and solid structural design; Support NVME SSD and SATA NGFF SSD; Two 5A high power DC TO DC power supply modules; Long-term operation is stable and can work under wide temperature; PCIE3.0 X16 GEN3 design ensures full speed from the bottom of technology. Specifications: 1. PCI-E3.0 X16 GEN3 2. SFF-8639 U.2 High Speed Transmiion Protocol. 3. Two groups of 5AX2 high-power modules are integrated with high-power inductors. 4. Two sets of DC modules guarantee redundancy and the design concept of aircraft dual engines. 5. High elasticity connector, strong connection, durability, stability and earthquake resistance, and hardware protection. 6. Two disks can work at the same time, but our U2 X16 expansion card must be selected. Note: NGFF of SAT A protocol must be connected to the motherboard with SATA 7Pin data cable before U2X16 can be operated. B key: m.2 NGFF of SATA protocol; Usually there are two gaps (supported by this product). M key: m.2 NVME of pcie protocol; Usually a gap (supported by this product). M.2 disks can be used only if they have NVME or SATA label on them. Material: PCB Support capacity: 2T Transmiion speed: U2 SFF-8639 Support OS: Windows8/10/Linux You'll receive: 1 x M.2 SSD to U.2 Adapter 1 x Shell Please check pictures for more details.