Feature: 1. 8GB/S Speed: The high speed signal transmission of the thickened PCB gold plated version has better continuity and stability. PCLE 3.0 architecture, 4 channel (X4) bidirectional broadband theoretical speed up to 8GB/S. 2. Four Level Design: Compatible with M.2 SSD (PCIE NVMe), 80x22mm, 60x22mm, 42x22mm, 30x22mm, four evel design, support various lengths, free expansion, practical and convenient. Hardware requirements: PCIE 3.0/2.0/1.0 x16 slot available on motherboard. 3. Heatsink: The heatsink upper cover design will enhance the heat dissipation effect and protect your NVMe SSD well! With a heatsink to dissipate heat, the heat on the PCB can also be quickly dissipated through the heatsink. Supported operating systems for Windows, for OS X, for Linux. 4. Smart LED Indicators: M.2 NVME to PCIE adapter can add NVME SSD hard drive to your computer desktop for perfect performance. Smart LED indicator light, always on when the card is plugged in, and flashes when reading and writing. 5. Please Note: This M.2 PCIE adapter only supports M.2 PCIE based M Key Nvme SSD, not PCIE M Key AHCI SSD, SATA based B+M Key or B Key SSD. Specification: Item Type: M.2 PCIE Adapter Material: PCB Support Hard Disk: M KEY M.2 (NGFF) Interface Supported Operating Systems: For Windows, for OS X, for Linux Input Interface: M Key M.2 NVME Output Interface: PCIE X16 Support Slot: PCIE X16. Package List: 1 x M.2 PCIE Adapter1 x Heatsink5 x Screws1 x Nut2 x Accessories