Wht is minimum Amp on +12 V rail required to run ATI Radeon HD6670 or 75w gpu
- Thread starter ashik36
- Start date
- Nov 17, 2013
- 3,881
- 1
- 15,960
- Nov 17, 2013
- 3,881
- 1
- 15,960
Marginally. The CPU is no more than 125W, the card is sub-100W I think, so you're kinda ok. But you don't have much breathing room at that point.
Does your PSU only have one 12v rail? Cuz 12V x 20A is only 240W.
ko888
Titan
- Feb 18, 2009
- 16,708
- 41
- 84,990
For a system using a single Radeon HD 6670 graphics card AMD specifies a minimum of a 400 Watt or greater system power supply. The power supply should also have a maximum combined +12 Volt continuous current rating of 20 Amps or greater.
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.
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.
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