Features: and for M.2 NVMe SSD to PCIE 3.0 X16/X8/X4/X1 desktop SSD adapter card, supports PCIe x4 x2 AHCI protocol with the size of 2280 2260 2242 2230 for M.2 SSD solid state drive. Input interface: M-Key for M.2 NVME (SATA for M.2 protocol is not supported). Supporting equipment: NVME for m.2 SSD of various PCIE protocols. Support AHCI 1.0 and IDE programming interface and transfer rate of 6Gbps 3Gbps 1.5Gbps The adapter card is hollow, which has good heat dissipation effect.There is no need to add heat sink in DIY. Integrated BTBCOIN high-speed signal enhancement technology PCIE3.0 GEN3 full speed design not stuck, the motherboard self-test does not delay, with large capacity tantalum capacitor constant voltage filtering. Specifications: Name: NVMe PCIe for M.2 SSD to PCIe x1 Adapter Card Size: approx 155x50mm/6.1x1.97in Supporting system: Windows7/8/10/ Linux Supported specifications: SSD of size 2230, 2242, 2260 and 2280 Output interface: PCIE X16, X8, X4, X1 Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. AHCI protocol is not SATA protocol. Package includes: 1 x NVMe PCIe for M.2 SSD to PCIe x1 Adapter Card 1 x Full Height Bracket with Screws Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.