http://www.axiontech.com/prdt.php?item=78010&tab=0System Requirements: PCI Express based PC is required with one x16 lane graphics slot available on the motherboard. Connection to the system power supply is required: 450-Watt power supply or greater, 30 Amps on 12 volt rail recommended (assumes fully loaded system). For CrossFire: 550 watt power supply or greater, 38 Amps on 12 volt rail. 512MB of system memory. Installation software requires CD-ROM drive. DVD playback requires DVD drive and decoder software (not included). Please see ati.com/crossfire for a list of recommended ATI CrossFire certified components. To complete the CrossFire platform, a second PCI Express Radeon X1950 PRO graphics card, a CrossFire Ready motherboard and two CrossFire bridge interconnect cables are required.
Is this it?
Does anyone have experience with Crossfire?