For a
system using a
single Radeon HD 7770 GHz Edition graphics card AMD specifies a minimum of a 500 Watt or greater
system power supply. The power supply should also have
a maximum combined +12 Volt continuous current rating of 23 Amps or greater and have at least
one 6-pin PCI Express supplementary power connector.
Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) is the most critical factor.
Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.
Examples of power supplies that will work:
Seasonic G Series G-360 (SSR-360GP Active PFC F3)
• OEM: Seasonic
• maximum combined +12 Volt continuous current rating of
30 Amps
• one 6-pin PCI Express supplementary power connector
• Modular Output Cables: No
• Official Intel Haswell Compliance: Yes
• 80 PLUS GOLD Efficiency Certification
• 5 Year Limited Warranty
• Link:
http://www.amazon.com/dp/B008XEYT5M
Rosewill CAPSTONE-450
• OEM: Super Flower
• maximum combined +12 Volt continuous current rating of
37 Amps
• two (6+2)-pin PCI Express supplementary power connectors
• Modular Output Cables: No
• Official Intel Haswell Compliance: Yes
• 80 PLUS GOLD Efficiency Certification
• 7-year One-to-One Replacement Warranty
• Link:
http://www.amazon.com/dp/B006BCKDGW
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