PCI-E to 2 Port USB 3.0 Controller Card NEC D720200F1 chipset ... Speed :1.5/12/480Mbps&5Gbs PCI-E to 2 Port USB 3.0 Controller Card (small power connector version) ... ,7, Transfer rate: 5000/5Mbps. 480/12/18, USB power output: 900mA supreme 5V9, Built-in electricity interfaces, ... ensure 4ps add high power devices running smoothly.10, Support USB hot plugging dial the function11, Supports Windows 2000 / XP ...