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Xigmatek NRP-PC402 400W Review

paulktreg    -   July 13, 2009
» Discuss this article (8)

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
Xigmatek NRP-PC402
Pass

 

Short Circuit Protection:

I short circuited the 3V3, 5V0 and both 12V lines 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

 

 

DC Output Voltage Load Regulation
AC Supply = 110V / DC Load = 0W
PSU DC Rail
Measured Voltage(V)
3V3
3.36
5V0
4.98
12V1
12.09
12V2
12.09
-12V
-11.71
5VSB
5.00

 

DC Output Voltage Load Regulation
AC Supply = 110V / DC Load = 110W (27% of Rated Maximum Output Power)
PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.37
3.13
10.55
3.135 – 3.465
Pass
+5V0
4.94
4.54
22.43
4.75 – 5.25
Pass
+12V0(1)
12.21
2.57
31.38
11.4 – 12.6
Pass
+12V0(2)
12.21
2.58
31.50
11.4 – 12.6
Pass
-12V0
11.42
0.34
3.88
10.8 – 13.2
Pass
+5VSB
4.98
2.02
10.06
4.75 – 5.25
Pass
TOTAL POWER SUPPLY DC LOAD =
110W
 

 

DC Output Voltage Load Regulation
AC Supply = 110V / DC Load = 216W (54% of Rated Maximum Output Power)
PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.36
7.79
26.78
3.135 – 3.465
Pass
+5V0
4.90
8.46
41.45
4.75 – 5.25
Pass
+12V0(1)
12.34
2.60
32.08
11.4 – 12.6
Pass
+12V0(2)
12.31
8.24
101.43
11.4 – 12.6
Pass
-12V0
11.61
0.35
4.06
10.8 – 13.2
Pass
+5VSB
4.98
2.02
10.06
4.75 – 5.25
Pass
TOTAL POWER SUPPLY DC LOAD =
216W
 

 

DC Output Voltage Load Regulation
AC Supply = 110V / DC Load = 406W (101% of Rated Maximum Output Power)
PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.36
12.13
40.76
3.135 – 3.465
Pass
+5V0
4.88
12.73
62.12
4.75 – 5.25
Pass
+12V0(1)
12.38
11.63
143.98
11.4 – 12.6
Pass
+12V0(2)
12.37
11.73
145.10
11.4 – 12.6
Pass
-12V0
11.86
0.36
4.27
10.8 – 13.2
Pass
+5VSB
4.97
2.02
10.04
4.75 – 5.25
Pass
TOTAL POWER SUPPLY DC LOAD =
406W
 

 

Mains Input Voltage 230VAC

 

 

DC Output Voltage Load Regulation
AC Supply = 230V / DC Load = 0W
PSU DC Rail
Measured Voltage(V)
3V3
3.36
5V0
4.98
12V1
12.09
12V2
12.09
-12V
-11.71
5VSB
5.05

 

DC Output Voltage Load Regulation
AC Supply = 230V / DC Load = 110W (27% of Rated Maximum Output Power)
PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.37
3.14
10.55
3.135 – 3.465
Pass
+5V0
4.94
4.49
22.18
4.75 – 5.25
Pass
+12V0(1)
12.21
2.57
31.38
11.4 – 12.6
Pass
+12V0(2)
12.21
2.58
31.50
11.4 – 12.6
Pass
-12V0
11.43
0.34
3.88
10.8 – 13.2
Pass
+5VSB
4.98
2.02
10.06
4.75 – 5.25
Pass
TOTAL POWER SUPPLY DC LOAD =
110W
 

 

DC Output Voltage Load Regulation
AC Supply = 230V / DC Load = 217W (54% of Rated Maximum Output Power)
PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.36
7.99
26.85
3.135 – 3.465
Pass
+5V0
4.89
8.63
42.20
4.75 – 5.25
Pass
+12V0(1)
12.32
2.60
32.03
11.4 – 12.6
Pass
+12V0(2)
12.35
8.26
102.01
11.4 – 12.6
Pass
-12V0
11.62
0.35
4.07
10.8 – 13.2
Pass
+5VSB
4.98
2.02
10.06
4.75 – 5.25
Pass
TOTAL POWER SUPPLY DC LOAD =
217W
 

 

DC Output Voltage Load Regulation
AC Supply = 110V / DC Load = 401W (100% of Rated Maximum Output Power)
PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.36
11.99
40.29
3.135 – 3.465
Pass
+5V0
4.89
12.36
60.44
4.75 – 5.25
Pass
+12V0(1)
12.35
11.52
142.27
11.4 – 12.6
Pass
+12V0(2)
12.34
11.66
143.88
11.4 – 12.6
Pass
-12V0
11.85
0.36
4.26
10.8 – 13.2
Pass
+5VSB
4.97
2.02
10.04
4.75 – 5.25
Pass
TOTAL POWER SUPPLY DC LOAD =
401W
 

 

The Xigmatek NRP-PC402 managed to maintain its rails within the limits set by the ATX12V V2.2 specification 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 at 110VAC & 230VAC
  5. Testing: Efficiency, Power Factor & DC Quality
  6. Testing: Temperature, Noise Level & Fan Speed
  7. Conclusion
Random Pic
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