USB 2.0 PCI Card is a high speed USB adapter. This card provides 4 USB 2.0 type A ports and works with all types of devices that support USB 2.0, such as digital cameras, digital camcorders, scanners, joystick, etc. With this card, you can transfer data at speeds up to 480 Mbit/s without any setup problem. * Compatible with USB 2.0 High-speed protocol * 32-bit 33MHz Interface * based on NEC * Plug & Play and Hot Swapping functions * Ability to connect up to 127 devices. OS Support: Windows 98 SE/ME/2000/XP, Mac OS 10.1 and higher.