Features: 1.Expand your computer with two more ports: one USB3.1 port and one USB port. USB port brings convenience to Type?C devices. USB 3.1 port is equipped with 10Gbps bandwidth, which 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.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.) specification: 1. Expand your computer with two more ports: one USB3.1 port and one USB port. USB port brings convenience to Type-C devices. USB 3.1 port is equipped with 10Gbps bandwidth, which 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.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). Parameters: Material: PCB Port: Type A Port & Type C Port Chipset: ASM1142+ASM1543 Transmission Speed: 10Gbps Maximum. Size: Approx. 12*8*1.8cm/ 4.72*3.15*0.71in Packing List: 1 * Expansion Controller 1 * Driver CD 1 * User Manual 1 * Mini Case Baffle 2 * Screw Note: Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.