Features: 1. Expand your computer with two more USB 3.1 Type-C ports, bringing convenience to Type-C devices and ensures fast data transmission. 2. Use good quality chip, reliable, stable and strong compatibility. With 4A power processing core chip, no external power supply needed. 3. Adopt built-in over current protection and short circuit protection on each USB port. 4. All solid state capacitors ensures it will not be affected by extreme environment. 5. Supports 10Gbps PCI-E bus with full duplex channel. Support SuperSpeed (10 Gbps), SuperSpeed (5 Gbps), HighSpeed (480 Mbps), and FullSpeed (12 Mbps) (Note: The actual transmission speed is limited by the setting of the device connected.) 6. Support USB 3.1 devices, backwards compatible with USB 3.0, 2.0 & 1.1. 7. Compatible Slot: PCI-E 4X, 8X, 16X (Note: not compatible to PCI-E 1X) Specification: Material: PCB Port: 2 * Type C Port Transmission Speed: 10Gbps Max. Size: 12*8*1.2cm/ 4.72*3.15*0.47in Packing List: 1 * Expansion Controller 1 * Driver CD 1 * User Manual 1 * Mini Case Baffle 2 * Screw 1、Expand your computer with two more USB 3.1 Type-C ports, bringing convenience to Type-C devices and ensures fast data transmission. 2、Use good quality chip, reliable, stable and strong compatibility. With 4A power processing core chip, no external power supply needed. 3、Adopt built-in over current protection and short circuit protection on each USB port. 4、All solid state capacitors ensures it will not be affected by extreme environment. 5、Supports 10Gbps PCI-E bus with full duplex channel. Support SuperSpeed (10 Gbps), SuperSpeed (5 Gbps), HighSpeed (480 Mbps), and FullSpeed (12 Mbps) (Note: The actual transmission speed is limited by the setting of the device connected.)