Seems like the power requirements for the upcoming DX11 aren’t too demanding. You will just need a 500W PSU with two 75W 6-pin power connectors for a single card and a 600W PSU for Crossfire setup. The photo leaked out earlier on the web seems to be right. The requirements are similiar to that of the Radeon HD 4890 and HD 4870 cards so you need not change your parts if you are upgrading from those cards.

  • PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
  • 500 Watt or greater power supply with two 75W 6-pin PCI Express® power connectors recommended (600 Watt and four 6-pin Connectors for ATI CrossFireX™ technology in dual mode)

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Seems like the power requirements for the upcoming DX11 aren’t too demanding. You will just need a 500W PSU with two 75W 6-pin power connectors for a single card and a 600W PSU for Crossfire setup. The photo leaked out earlier on the web seems to be right. The requirements are similiar to that of the Radeon HD 4890 and HD 4870 cards so you need not change your parts if you are upgrading from those cards.

  • PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
  • 500 Watt or greater power supply with two 75W 6-pin PCI Express® power connectors recommended (600 Watt and four 6-pin Connectors for ATI CrossFireX™ technology in dual mode)
  • Certified power supplies are recommended
  • Minimum 1GB of system memory
  • Installation software requires CD-ROM drive
  • DVD playback requires DVD drive
  • Blu-ray™ playback requires Blu-ray drive
  • For an ATI CrossFireX™ system, a second ATI Radeon™ HD 5870 graphics card, an ATI CrossFireX Ready motherboard and one ATI CrossFireX Bridge Interconnect cable per graphics card (not included) are required