Desktop computer upgrade M.2 solid state, system , file copying speed can be significantly increased. Support 2230/2242/2260/2280 four sizes of solid-state drives. 8Gbps high-speed bandwidth, compatible with PCI-EX1/X4/X8/X16 slots. Equipped with full height chassis baffle 120MM full height metal baffle for more solid use. LED indicators Clear and clear Blue light when connected, blue light blinks when reading and writing. Support hard disk: M.2-NVMe protocol SSD Hard drive size: 2230/2242/2260/2280MM Support interface: PCI-E X1/X4/X8/X16 Support system: Windows, Linux Product Function: M.2-NVMe to PCI-EX1 external adapter card Transfer rate: PCI-E 3.0 X1 8Gbps/PCI-E 4.0 X1 16Gbps Product Material: Glass Fiber Board Color: Green Warm Tips: The product does not support hot-swapping, please connect the PCI-E card to the computer PCI-E slot use, M.2 to USB3.0 connected to the card the computer can be turned on, in order to identify success. Package Contents: 1 x PCIE Adapter Card 1 x M.2 NVMe Adapter Card Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.