Complies with PCI version 2.0 standard. Complies with Universal Serial Bus 3.0 Standard. The transmission speed of USB 3.0 interface could reach 5Gbps, backward compatible with USB 2.0 / 1.1. A USB device to simultaneously connect 7tlg. The USB interface could 5V 2A power supply to external device. With two power modules, you 't need extra power source. Compatible with Linux / Windows XP / 7/8 / 8.1 / 10 and Certified 32-bit or 64-bit WHQL driver Model Number: PD35 Type: Additional Cards colour:As shown Material:PC+metal Package Contents: 1 x controller converter(VIA Chip) Only the above package content, other are not included. Note: Light 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.