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Corsair AX1200 1200W Power Supply Review

paulktreg    -   July 7, 2010
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Testing:

Temperature, Noise Levels and Fan Speeds:

I am not going to give a pass or fail in this section, as the ATX12V V2.2 does not really have any references on which to base a decision.

Temperatures are purely for information only, as there are too many variables involved when installed in a case, which, by the way, it wasn't. Ambient temperature, processor cooling efficiency and case cooling fans all play their part on the temperature of the air entering the power supply, and consequently the temperature of the air leaving it. No valid conclusions can be made from this test.

 

Corsair AX1200 1200W (CMPSU-1200AX) Temperature & Fan Speeds
Supply = 110/230Vac
DC Loading(W)
Temp In (°C)
Temp Out (°C)
Δ Temp (°C)
Fan Speed (RPM)
0
N/A
N/A
N/A
1255/1252
242/241
22.8/22.5
24.1/23,7
1.3/1.2
1267/1276
612/612
23.1/22.6
26.3/25.3
3.2/2.7
1341/1342
1186/1186
23.7/23.7
29.3/29.1
5.6/5.4
1537/1543

 

The Corsair AX1200 temperatures are kept low thanks in no small part to the high efficiency (reduced heat generation) and fan speeds which never drop below the no-load speed of approximately 1250 rpm. The fan noise is relatively quiet and shouldn’t prove too much of a problem even when it ramps up to 1500 rpm at full load.




  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specification & Features
  4. Testing: DC Voltage Load Regulation At 110VAC & 230VAC
  5. Testing: Efficiency, Power Factor & DC Quality
  6. Testing: Temperature, Noise Level & Fan Speed
  7. Conclusion
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