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Atrix 500T Extreme 650W Review

paulktreg    -   June 11, 2008
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Testing:

The old way of testing Power supplies with a wing and a prayer, is no longer sufficient in the tech savvy world we live in. People want to know just what kind of power a supply can actually deliver and still conform to the ATX specifications. With a new testing methodology, OCC will move into the future to provide a more current testing regime, to accurately show how a power supply performs. For more information on our testing methodology, please browse our testing methodology.

NOTE: The -5V0 line is no longer required in the ATX12V V2.2 standard and will be totally disregarded during testing.

Electrical Safety

Electrical Safety Test Class 1
Manufacturer/Model
Pass/Fail
Atrix 500T
Pass

 

DC Output Voltage Load Regulation

Total Load = 107.29W (21.46% of rated maximum)

DC Line
Load Current
Load Power
V Limits
Actual Voltage
Pass/Fail
+3V3
3.09A
10.32W
3.135V – 3.465V
3.34V
Pass
+5V0
4.63A
23.10W
4.75V – 5.25V
4.99V
Pass
+12V0(1)
2.49A
29.58W
11.4V – 12.6V
11.88V
Pass
+12V0(2)
2.50A
29.75W
11.4V – 12.6V
11.90V
Pass
-12V0
0.34A
3.84W
10.8V – 13.2V
11.30V
Pass
+5VSB
2.18A
10.70W
4.75V – 5.25V
4.91V
Pass
Total Power Supply Load
107.29W
 

 

Total Load = 262.08W (52.42% of rated maximum)

DC Line
Load Current
Load Power
V Limits
Actual Voltage
Pass/Fail
+3V3
7.66A
24.82W
3.135V – 3.465V
3.24V
Pass
+5V0
9.09A
44.72W
4.75V – 5.25V
4.92V
Pass
+12V0(1)
7.65A
88.28W
11.4V – 12.6V
11.54V
Pass
+12V0(2)
7.70A
89.32W
11.4V – 12.6V
11.60V
Pass
-12V0
0.35A
4.08W
10.8V – 13.2V
11.65V
Pass
+5VSB
2.18A
10.86W
4.75V – 5.25V
4.98V
Pass
Total Power Supply Load
262.08W
 

 

Total Load = 362.77W (72.55% of rated maximum)

DC Line
Load Current
Load Power
V Limits
Actual Voltage
Pass/Fail
+3V3
11.52A
35.83W
3.135V – 3.465V
3.11V
Fail
+5V0
13.42A
63.48W
4.75V – 5.25V
4.73V
Fail
+12V0(1)
10.79A
124.73W
11.4V – 12.6V
11.56V
Pass
+12V0(2)
10.75A
123.41W
11.4V – 12.6V
11.48V
Pass
-12V0
0.36A
4.38W
10.8V – 13.2V
12.17V
Pass
+5VSB
2.23A
10.94W
4.75V – 5.25V
4.91V
Pass
Total Power Supply Load
362.77W
 

You can see the 3V3 and 5V0 lines have dropped below the ATX12V V2.2 lower limit and 12V0 lines are approaching it. I considered loading the power supply closer to its maximum but due to problems I’ll explain later I decided to stop at this level.

 

Efficiency and Power Factor

Output And Efficiency
DC Load (W)
AC Load (VA)
AC Load (W)
PF
Efficiency (%)
Pass/Fail
107.29
183
146
0.79
73.5
Pass
262.08
526
387
0.73
67.7
Fail
362.77
879
629
0.71
57.7
Fail




  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specifications & Features
  4. Testing
  5. Testing (Continued)
  6. Conclusion
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