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PSU for an HD 7870

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  • Power Supplies
  • Components
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Last response: in Components
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January 8, 2013 5:28:39 PM

What would be a good budget (i.e. not too cheap but not too expensive) PSU for a Radeon HD7870 card

Currently I am running:

-i7 3770 @ 3.4 Ghz
-8 Gig Ram
-1 SSD (Boot)
-1 7200 RPM Drive (programs and games)
-1 5400 Green drive (movies, music etc...)
-nVidia GTX 220
-550 W BFG PSU
-DVD-R Combo Drive


Essentially I want to upgrade the card and I know I need to upgrade the PSU as I only get 18 A on the 12 V rail and I believe the 7870 needs 24 A on the 12 V rail. But I have enough Wattage with the 550 just not enough current. Whats the best PSU that would make sense for my setup.

More about : psu 7870

a b ) Power supply
January 8, 2013 5:36:12 PM

what country u live in and whats ur budget?
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a c 1217 ) Power supply
January 8, 2013 5:57:52 PM

For a system using a single reference clocked Radeon HD 7870 GHz Edition graphics card AMD specifies a minimum of a 500 Watt or greater power supply. The power supply should also have a maximum combined +12 Volt continuous current rating of 28 Amps or greater and have at least two 6-pin PCI Express supplementary power connectors.

What is the model number of your BFG 550 Watt power supply unit?

BFG Tech GS-550 550W
• maximum combined +12 Volt continuous current rating of 36 Amps
• 1 x 6-Pin & 1 x 6+2-Pin PCI Express Connectors

BFG LS550 550W
• maximum combined +12 Volt continuous current rating of 41.7 Amps
• 1 x 6-Pin & 1 x 6+2-Pin PCI Express Connectors

BFG 550w ATX Black Power Supply - Modular (BFGE550WPSU)
• maximum combined +12 Volt continuous current rating of 33.7 Amps
• 1 x 6-Pin & 1 x 6+2-Pin PCI Express Connectors

BFG MX 550w
maximum combined +12 Volt continuous current rating of 41.7 Amps
1 x 6-Pin & 1 x 6+2-Pin PCI Express Connectors

All of those models all meet the PSU requirements.
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a b ) Power supply
January 9, 2013 3:45:44 PM

they do meet the requirements but there not extrodinary build, but will get the job done yes :) 

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