Features: brand new and high quality for M.2 NVMe to PCIe Adapter Allows adding NVMe SSD Hard Drive to your PC Desktop at perfect performance. Hardware Requirement: Available 4x/8x/16x Slot on Mainboard. Support Windows10 /Linux/ XP, no driver required. M-Key for M.2 NVME(Don'for t Support SATA Protocol for m.2 NGFF). Suppor Various PCIE Protocols NVME for m.2 SSD. With black aluminum heatsink and 3528 Colorful flash LED. Specifications: Material: Aluminium Alloy LED: Marquee LED Port: PCI-E X4/X8/X16 Expansion interface: M-KEY NVME Supports for M.2 card size: 2230, 2242, 2260, 2280 nvme ssd Color: black , gold(old) , gold(new), (optional) Size:approx. 100x50mm/3.94x1.97in Package Includes: 1 x NVME SSD to PCI-E Adapter 1 x Quick Start Guide 1 x for M.2 SSD Heatsink 2 x Heat-Conducting Silica Gel Pad(1 PCS thickness and 1PCS thin) 2 x Silica Gel Ring 2 x M2 Screw 1 x Screw Driver note: There may be a little size error in manual measurement. Due to different lighting effects and monitor settings, the color of the actual item may not exactly reflect the color in the images.