Compatible with PCI Express Base Specification, Revision 1.1. Works with various types of FireWire 800 (1394b) devices, including portable hard drives, DV camcorder, digital camera, CD-RW / DVD-ROM drives and other audio / video devices. PCI Express-enabled system with a PCI Express slot arrangement. Built-in 4-pin power connector provides extra power when connected to the power system (recommended). Three IEEE Std 1394b Fully Compatible Cable Ports at 100 M Bit / s, 200 M Bit / s, 400 M Bit / s, and 800 M Bit / s EEPROM Configuration Support to Load the Global Unique ID for the Fabric 1394