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Memonex MOD EX 600W Power Supply Review

paulktreg    -   April 5, 2010
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Testing:

For more information on how we test our power supplies, please browse our testing methodology.

Electrical Safety:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electrical Safety Test Class 1
Manufacturer/Model
Pass/Fail
Memonex MOD EX 600W
Pass

 

Short Circuit Protection:

I short circuited the 3V3, 5V0 and the 12V rail in turn. The power supply did shut down, and once the short was removed and the unit switched off for at least one second, resumed normal operation. Although, listed here at the beginning of the testing section, I tend to leave this test until the very end, in case it doesn't quite go to plan.

 

DC Output Voltage Load Regulation:

 

Mains Input Voltage 110VAC

 

 

Memonex MOD EX 600W Power Supply DC Output Voltage Load Regulation
Supply = 110VAC/50Hz
PSU DC Rail
Measured Voltage(V)
3V3
3.40
5V0
5.07
+12V1
12.23
+12V2
12.23
-12V
11.91
5VSB
4.98
Total PSU DC Loading = Single WD800 IDE HDD

 

Memonex MOD EX 600W Power Supply DC Output Voltage Load Regulation
Supply = 110VAC/50Hz
PSU
DC Rail
Rail Loading Amps (A)
Rail Loading Watts (W)
Measured Voltage (V)
ATX12V V2.2 Limits (V)
Pass/Fail
+3V3
3.27
11.12
3.40
3.135 – 3.465
Pass
+5V
4.81
24.30
5.05
4.75 – 5.25
Pass
+12V1
2.58
31.78
12.32
11.4 – 12.6
Pass
+12V2
5.06
62.34
12.32
11.4 – 12.6
Pass
-12V
0.36
4.30
11.95
10.8 – 13.2
Pass
+5VSB
2.05
10.19
4.97
4.75 – 5.25
Pass
Total PSU DC Loading = 144W (24% of Rated Maximum Output Power)

 

Memonex MOD EX 600W Power Supply DC Output Voltage Load Regulation
Supply = 110VAC/50Hz
PSU
DC Rail
Rail Loading Amps (A)
Rail Loading Watts (W)
Measured Voltage (V)
ATX12V V2.2 Limits (V)
Pass/Fail
+3V3
8.72
29.47
3.38
3.135 – 3.465
Pass
+5V
9.89
49.45
5.00
4.75 – 5.25
Pass
+12V1
8.29
101.80
12.28
11.4 – 12.6
Pass
+12V2
10.60
130.17
12.28
11.4 – 12.6
Pass
-12V
0.35
4.20
12.00
10.8 – 13.2
Pass
+5VSB
2.02
10.00
4.95
4.75 – 5.25
Pass
Total PSU DC Loading = 325W (54% of Rated Maximum Output Power)

 

Memonex MOD EX 600W Power Supply DC Output Voltage Load Regulation
Supply = 110VAC/50Hz
PSU
DC Rail
Rail Loading Amps (A)
Rail Loading Watts (W)
Measured Voltage (V)
ATX12V V2.2 Limits (V)
Pass/Fail
+3V3
14.06
47.24
3.36
3.135 – 3.465
Pass
+5V
14.97
74.40
4.97
4.75 – 5.25
Pass
+12V1
13.71
165.62
12.08
11.4 – 12.6
Pass
+12V2
24.07
290.76
12.08
11.4 – 12.6
Pass
-12V
0.36
4.34
12.06
10.8 – 13.2
Pass
+5VSB
1.98
9.72
4.91
4.75 – 5.25
Pass
Total PSU DC Loading = 592W (99% of Rated Maximum Output Power)

 

Mains Input Voltage 230VAC

 

Memonex MOD EX 600W Power Supply DC Output Voltage Load Regulation
Supply = 230VAC/50Hz
PSU DC Rail
Measured Voltage(V)
3V3
3.40
5V0
5.07
+12V1
12.23
+12V2
12.23
-12V
11.91
5VSB
4.98
Total PSU DC Loading = Single WD800 IDE HDD

 

Memonex MOD EX 600W Power Supply DC Output Voltage Load Regulation
Supply = 230VAC/50Hz
PSU
DC Rail
Rail Loading Amps (A)
Rail Loading Watts (W)
Measured Voltage (V)
ATX12V V2.2 Limits (V)
Pass/Fail
+3V3
3.27
11.12
3.40
3.135 – 3.465
Pass
+5V
4.78
24.14
5.05
4.75 – 5.25
Pass
+12V1
2.60
32.06
12.33
11.4 – 12.6
Pass
+12V2
5.18
63.82
12.32
11.4 – 12.6
Pass
-12V
0.36
4.30
11.95
10.8 – 13.2
Pass
+5VSB
2.05
10.21
4.98
4.75 – 5.25
Pass
Total PSU DC Loading = 146W (24% of Rated Maximum Output Power)

 

Memonex MOD EX 600W Power Supply DC Output Voltage Load Regulation
Supply = 230VAC/50Hz
PSU
DC Rail
Rail Loading Amps (A)
Rail Loading Watts (W)
Measured Voltage (V)
ATX12V V2.2 Limits (V)
Pass/Fail
+3V3
8.59
29.03
3.38
3.135 – 3.465
Pass
+5V
9.76
48.80
5.00
4.75 – 5.25
Pass
+12V1
8.18
100.45
12.28
11.4 – 12.6
Pass
+12V2
10.69
131.17
12.27
11.4 – 12.6
Pass
-12V
0.35
4.20
12.00
10.8 – 13.2
Pass
+5VSB
2.02
10.00
4.95
4.75 – 5.25
Pass
Total PSU DC Loading = 324W (54% of Rated Maximum Output Power)

 

Memonex MOD EX 600W Power Supply DC Output Voltage Load Regulation
Supply = 230VAC/50Hz
PSU
DC Rail
Rail Loading Amps (A)
Rail Loading Watts (W)
Measured Voltage (V)
ATX12V V2.2 Limits (V)
Pass/Fail
+3V3
13.82
46.43
3.36
3.135 – 3.465
Pass
+5V
14.97
74.40
4.97
4.75 – 5.25
Pass
+12V1
13.73
165.86
12.08
11.4 – 12.6
Pass
+12V2
24.04
290.16
12.07
11.4 – 12.6
Pass
-12V
0.36
4.34
12.06
10.8 – 13.2
Pass
+5VSB
1.98
9.72
4.91
4.75 – 5.25
Pass
Total PSU DC Loading = 590W (98% of Rated Maximum Output Power)

 

The Memonex MOD EX 600W produced a pretty good set of figures for DC output load regulation and all the rails kept well within the limits set down by the ATX12V V2.2 specification. The 12V rail did fall more than other high end power supplies tend to do, but it stayed within the specification.  The -12V rail produced what are probably the best set of results seen for some time and it actually managed to attain -12V or thereabouts at all load levels. No problems here, so let's move on.




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