1The hard disk box supports M.2 NVME protocol solid state hard disk, supports hard disk size 22x30, 22x42. 2Adopt for JMS583 TYPEC 3.1 chip, support the mainstream NVME PCIE M.2 hard disk on the market. 3With aluminum alloy material magnetic protection cover, ultrathin design for easy heat dissipation, easy to use and carry. 4The external interface is USB3.1 TypeA straight plug interface, backward compatible with USB3.0 and USB2.0 interfaces. 5NVME to USB3.1 TypeA hard disk box is easy to install, and the reading speed is up to 1000MB/s (for reference only). Item Type: Hard Drive Enclosure Material: Aluminum alloy shell Support SSD: M.2 NVME protocol solid state drive (only supports PCIe x2 and PCIe x4 NVME protocol M.2 NGFF SSD, does not support PCIe x2 and PCIe x4 AHCI protocol M.2 NGFF SSD, does not support B+M key SATA protocol M.2 NGFF SSD) Colour: Black Support Specifications: 2230, 2242 (other lengths are not supported) Chip: For JMS583 TYPEC 3.1 chip, supports mainstream NVME PCIE M.2 hard drives on the market 1 x Hard Disk Enclosure 1 x Heat-Dissipating SiliconeSheet 3 x Screws 1 x Nut 1 x Lanyard 1 x Screwdriver