Apple Mac Pro - Manual (Page 71)

Appendix A Specifications 71
 Enhanced CD
 DVD-Video
 DVD±R
 DVD±RW
 DVD+R DL
USB Specifications
 Support for Universal Serial Bus (USB) 2.0 and 1.1
 Seven external USB Type A ports
 Two USB 2.0 ports on the front
 Three USB 2.0 ports on the back
 Two USB 1.1 ports on the Apple Keyboard
 Each rear port is on a separate 480 megabit-per-second (Mbps) USB channel
 500 milliamperes (mA) available for a total of 1.5 A on the rear and 1.0 A on the front
FireWire Specifications
 Support for FireWire 400 and FireWire 800
 Four external FireWire ports: one FireWire 400 port and one FireWire 800 port on
both the front and back
 Data transfer speed:
 FireWire 400: 100, 200, and 400 Mbps
 FireWire 800: 100, 200, 400, and 800 Mbps