450 Watt or greater power supply with one 75W 6-pin PCI Express® power connectors recommended (550 Watt and two 6-pin connectors for ATI CrossFireXTM technology in dual mode)
Certified power supplies are recommended. Refer to for a list of Certified products
Minimum 1GB of system memory
Installation software requires CD-ROM drive
DVD playback requires DVD drive
Blu-ray™ playback requires Blu-ray drive
For a complete ATI CrossFireX™ system, a second ATI Radeon™ HD 4770 graphics card, an ATI CrossFireX Ready motherboard and one ATI CrossFireX Bridge Interconnect cable per graphics card are require