Features: brand new and high quality M.2 PCIE NVMe Adapter card converts M.2 (M Key) SSD to PCIe 4.0 x16 interface (64Gbps speed at Max). Supports PCIe 1.0, PCIe 2.0, PCIe 3.0 and PCIe 4.0 motherboard. It comes with aluminum case and thermal compound pads which helps to Quick Heat-dissipation and boost the transmission speed. Easy to installation and Plug&Paly, no driver required. Add an M.2 NVME SSD to your PC without an M2 slot on the motherboard. Can fully utilize the powerful performance of the SSD. Fast Heat Dissipation extension card with vented design on immersion gold PCB enhances heat dissipation of SSD, Full-Al case help reduce or eliminate EMI/RFI noise, and X16 PCIe slot design is more stable for installation. Package Includes: 1 x Adapter Card Specifications: Material: Plastic LED indicator:Yes ,No(optional) Supports PCIe Gen4 and PCIe Gen3 M.2 NGFF 80mm, 60mm, 42mm,30mm SSD Input Interface: M.2 NVME Key-M / Output Interface: PCIE X16 Support System: Windows 7 / 8 / 10 / Linux. Don't support Windows XP. Supports operating temperature : -40 - 85 note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!