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Mushkin Joule 1000W Power Supply Review

paulktreg    -   June 6, 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
Mushkin Enhanced Joule 1000W
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

 

 

Mushkin Enhanced Joule 1000W
DC Output Voltage Load Regulation
Supply = 110Vac/50Hz
PSU DC Rail
Measured Voltage(V)
3V3
3.39
5V0
5.06
+12V
12.18
-12V
11.17
5VSB
5.11
Total PSU Loading = 0W (0% of Rated Maximum Output Power)

 

Mushkin Enhanced Joule 1000W
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
8.67
29.22
3.37
3.135 – 3.465
Pass
+5V
4.82
24.10
5.00
4.75 – 5.25
Pass
+12V
10.28
124.80
12.14
11.4 – 12.6
Pass
-12V
0.33
3.75
11.37
10.8 – 13.2
Pass
+5VSB
2.16
10.71
4.96
4.75 – 5.25
Pass
Total PSU Loading = 193W (19% of Rated Maximum Output Power)

 

Mushkin Enhanced Joule 1000W
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
8.64
29.12
3.37
3.135 – 3.465
Pass
+5V
9.84
49.10
4.99
4.75 – 5.25
Pass
+12V
32.12
389.62
12.13
11.4 – 12.6
Pass
-12V
0.34
3.95
11.61
10.8 – 13.2
Pass
+5VSB
2.05
10.15
4.95
4.75 – 5.25
Pass
Total PSU Loading = 482W (48% of Rated Maximum Output Power)

 

Mushkin Enhanced Joule 1000W
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
13.65
45.86
3.36
3.135 – 3.465
Pass
+5V
14.89
73.85
4.96
4.75 – 5.25
Pass
+12V
68.08
822.41
12.08
11.4 – 12.6
Pass
-12V
0.35
4.17
11.92
10.8 – 13.2
Pass
+5VSB
2.13
10.39
4.88
4.75 – 5.25
Pass
Total PSU Loading = 957W (96% of Rated Maximum Output Power)

 

Mains Input Voltage 230VAC

 

 

Mushkin Enhanced Joule 1000W
DC Output Voltage Load Regulation
Supply = 230Vac/50Hz
PSU DC Rail
Measured Voltage(V)
3V3
3.39
5V0
5.06
+12V
12.19
-12V
11.17
5VSB
5.11
Total PSU Loading = 0W (0% of Rated Maximum Output Power)

 

Mushkin Enhanced Joule 1000W
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
8.66
29.18
3.37
3.135 – 3.465
Pass
+5V
4.83
24.15
5.00
4.75 – 5.25
Pass
+12V
10.27
124.68
12.14
11.4 – 12.6
Pass
-12V
0.33
3.75
11.37
10.8 – 13.2
Pass
+5VSB
2.16
10.71
4.96
4.75 – 5.25
Pass
Total PSU Loading = 192W (19% of Rated Maximum Output Power)

 

Mushkin Enhanced Joule 1000W
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
8.56
28.85
3.37
3.135 – 3.465
Pass
+5V
9.71
48.45
4.99
4.75 – 5.25
Pass
+12V
32.22
390.83
12.13
11.4 – 12.6
Pass
-12V
0.34
3.95
11.61
10.8 – 13.2
Pass
+5VSB
2.05
10.13
4.94
4.75 – 5.25
Pass
Total PSU Loading = 482W (48% of Rated Maximum Output Power)

 

Mushkin Enhanced Joule 1000W
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
13.97
46.80
3.35
3.135 – 3.465
Pass
+5V
14.91
73.95
4.96
4.75 – 5.25
Pass
+12V
67.91
821.03
12.09
11.4 – 12.6
Pass
-12V
0.35
4.17
11.93
10.8 – 13.2
Pass
+5VSB
2.13
10.39
4.88
4.75 – 5.25
Pass
Total PSU Loading = 956W (96% of Rated Maximum Output Power)

 

The Mushkin Enhanced Joule 1000W power supply DC output voltage load regulation is as good as most power supplies in this class, as exhibited by the almost horizontal lines on the graph for the 3V3, 5V0 and 12V rail. The -12V rail never actually reached -12V and the 5VSB rail was a little low, but everything remained well within the limits set down by the ATX12V V2.2 specification. 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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