[USB3.0 19PIN Adapter]Add 2 internal USB 3.0 19PIN ports on the desktop computer, and 4 USB3.0 ports can be expanded. [Function] Solve the problem of less USB ports, allowing more USB devices to be connected to the computer system, such as hard disks, printers, game controllers, digital cameras, etc. [Wide Compatibility]USB 3.0 is backward compatible with USB 2.0/1.1/1.0 devices. Compatible with Windows 7/8/1011(32/64bit) /LINUX/ . [USB3.2 GEN1]Support up to 5Gbps transfer speed, transfer videos, photos, files, etc. between USB devices and computers with higher efficiency. [Small 4PIN interface power supply] Equipped with Small 4PIN power supply interface, the power supply is stable and sufficient, and there is no need to worry about insufficient power supply and affecting data transmission. Colour:black Material:plastic Package Contents: 1 x USB3.2 GEN1 to dual 19PIN Adapter Card 1 x 19 pin to am Cable 1 x Sata 15pin to 4 pin cable Only the above package content, other products 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.