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Corsair TX750 V2 750W & TX850 V2 850W Power Supply Review

paulktreg    -   May 11, 2011
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Testing:

TX750V2

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 TX750V2 Power Supply Temperature & Fan Speeds
Supply = 110VAC/230VAC
DC Loading(W)
Temp In (°C)
Temp Out (°C)
Δ Temp (°C)
Fan Speed (RPM)
0
N/A
N/A
N/A
1231/1236
142/142
21.0/20.5
25.8/26.5
4.8/6.0
1232/1232
368/370
20.0/20.6
31.3/30.1
11.3/9.5
1237/1235
739/745
20.9/21.6
38.9/36.5
18.0/14.9
1958/2108

The Corsair TX750V2 kicked off with a fan starting speed of 1200 RPM which is a little higher than I've seen on other power supplies but with a quoted noise level of only 25dB it's very quiet. The full load speed of 2000 RPM is a different story and with a quoted noise level of 40dB it's certainly noticeable but not unbearable. Temperature differentials across the power supply are typical and there's nothing here out of the ordinary.




  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specification & Features
  4. Testing the TX750V2: DC Voltage Load Regulation
  5. Testing the TX750V2: Efficiency, Power Factor & DC Quality
  6. Testing the TX750V2: Temperature, Noise Level & Fan Speed
  7. Testing the TX850V2: DC Voltage Load Regulation
  8. Testing the TX850V2: Efficiency, Power Factor & DC Quality
  9. Testing the TX850V2: Temperature, Noise Level & Fan Speed
  10. Conclusions
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