Expand your PC's connectivity with this USB3.0 19PIN Adapter! USB3.0 19PIN Adapter: Adds 2 internal USB 3.0 19PIN ports to your desktop, allowing for expansion to 4 USB3.0 ports. Function: Solves the problem of limited USB ports, enabling more USB devices like hard drives, printers, game controllers, and digital cameras to connect to your computer system. Wide Compatibility: USB 3.0 is backward compatible with USB 2.0/1.1/1.0 devices. Compatible with Windows 7/8/10/11 (32/64bit) /LINUX/. USB3.2 GEN1: Supports transfer speeds up to 5Gbps, allowing for more efficient transfer of videos, photos, and files between USB devices and computers. Small 4PIN Interface Power Supply: Equipped with a small 4PIN power supply interface, ensuring stable and sufficient power, eliminating concerns about insufficient power affecting data transfer. Color: 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.