1,Support M-key NVME PCIe protocol SSD (M.2 SATA protocol SSD is not supported). 2,Super-thick and gold-plated SSD contact surface increases the heat conduction medium to dissipate heat efficiently and is more durable. 3,Support PCIe 4X or 8X or 16X, PCI-E 1x and PCI slot are not supported. 4,Support high-speed and large-capacity storage interface, the speed is determined by the host end of the computer motherboard, and not affect NGFF SSD performance. 5,Support 2230 or 2242 or 2260 or 2280 or 22110mm M-Key SSD. Features: Support M-key NVME PCIe protocol SSD (M.2 SATA protocol SSD is not supported). Super-thick and gold-plated SSD contact surface increases the heat conduction medium to dissipate heat efficiently and is more durable. Support PCIe 4X or 8X or 16X, PCI-E 1x and PCI slot are not supported. Support high-speed and large-capacity storage interface, the speed is determined by the host end of the computer motherboard, and not affect NGFF SSD performance. Support 2230 or 2242 or 2260 or 2280 or 22110mm M-Key SSD. Specification: Item name: M.2 to PCI-E Adapter Card Material: PCB Power supply: PCI-E power supply Item size: 14 x 6.3 x 0.4cm or 5.51 x 2.48 x 0.16in(L x W x H) Item weight: Approx.21.4g or 0.75oz Package size: 17 x 11 x 3cm or 6.69 x 4.33 x 1.18in(L x W x H) Package weight: 102g or 3.6oz Package list: 1 x M.2 to PCI-E Adapter Card 2 x Metal Baffles 1 x Screwdriver 1 x Bag of Screws 1 x M.2 to PCI-E Adapter Card 2 x Metal Baffles 1 x Screwdriver 1 x Bag of 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.