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XFX XPS-650W Power Supply Review

paulktreg    -   February 18, 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.

 

XFX XXX Edition 650W Power Supply
Temperature & Fan Speeds @ 110/230VAC
DC Loading(W)
Temp In (°C)
Temp Out (°C)
Δ Temp (°C)
Fan Speed (RPM)
25/25
N/A
N/A
N/A
640/645
144/144
22.7/23.1
29.1/31.2
6.4/8.1
639/645
350/349
24.2/24.3
42.6/43.7
18.4/19.4
812/750
607/609
26.2/23.2
38.3/37.4
12.6/14.2
1905/1904

 

The XFX XXX Edition 650W power supply cooling fan was whisper quiet up to 50% loading, but it became noticeably louder at maximum loading.  This is to be expected and is on par with other power supplies in this class.




  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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