Feature: 1. Reversible USB-C/Type-C connector design (plugs in both ways) allows you to conveniently connect cable in any orientation 2. Supports up to 5 USB 3.0 devices: 3 USB C + 2 USB A 5 Port 10Gb USB hub 3. 3 external USB 3.1 Type-C female connectors. 4. Supports simultaneous operation of multiple USB 3.1/3.0/2.0/1.1 devices. 5. Premium material and workmanship, high quality and long lifespan. Specification: Material: PC+Metal Color: Black Main Chips: ASM3142 + VL822 Speed: 10Gbps Interface: 3 Port USB TYPE-C + 2 Port USB3.2 Gen2 Bus Type: PCI Express X4, Compatible with PCIE X4/X8/X16 Slot Support System: Compatible for Windows 7/8/8.1/10/11, for Linux OS. Package Contents: 1 x PCI Express X4 to USB3.2 GEN2 10Gb Expansion Card 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.