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Ultra X4 1050W Power Supply Review

paulktreg    -   October 18, 2009
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Testing(Continued):

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.

 

Ultra X4 1050W
Temperature & Fan Speeds @ 110/230VAC
DC Loading(W)
Temp In (°C)
Temp Out (°C)
Δ Temp (°C)
Fan Speed (RPM)
0
N/A
N/A
N/A
712/711
202/202
20.4/20.7
31.8/33.0
11.4/12.3
711/712
525/526
20.6/20.7
36.8/38.7
16.2/18.0
900/898
1063/1064
21.0/21.1
46.9/48.4
25.9/27.3
1548/1641

 

This section is still really only for reference and no real conclusion can be drawn from the results. It is only really included to give you the reader and indication of temperature rises across the power supply during the load testing phase. Perhaps some day I can make this test a little more relevant and warm the air entering the power supply up a little to take the power supply up to a more realistic running temperature - I'll work on that one! All I can say is that even with a fan speed of 1641 RPM it did seem very quiet, but it's all relative and one person's quiet is another person's noisy, but I will still say, as the included literature states, I think it's quiet.

 




  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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