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XFX Pro Series Core Edition Power Supply Review

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Testing the PRO750W:

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

 

Short Circuit Protection:

I short circuited the 3V3, 5V0 and the 12V rail(s) 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

 

 

 

 

 

 

 

 

 

Core Edition PRO750W ( P1750SNLB9) Power Supply DC Output Voltage Load Regulation
Supply = 110VAC/50Hz
PSU DC Rail
Measured Voltage(V)
3V3
3.37
5V0
5.06
+12V
12.17
-12V
11.78
5VSB
5.10
Total PSU DC Loading = 0W (0% of Rated Maximum Output Power)

 

Core Edition PRO750W (P1750SNLB9) 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
3.10
10.32
3.33
3.135 – 3.465
Pass
+5V
4.68
23.59
5.04
4.75 – 5.25
Pass
+12V
7.66
92.92
12.13
11.4 – 12.6
Pass
-12V
0.34
3.99
11.74
10.8 – 13.2
Pass
+5VSB
2.12
10.30
4.86
4.75 – 5.25
Pass
Total PSU DC Loading = 141W (19% of Rated Maximum Output Power)

 

Core Edition PRO750W (P1750SNLB9) 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
8.32
27.20
3.27
3.135 – 3.465
Pass
+5V
9.70
48.50
5.00
4.75 – 5.25
Pass
+12V
24.65
294.15
12.08
11.4 – 12.6
Pass
-12V
0.35
4.12
11.78
10.8 – 13.2
Pass
+5VSB
2.12
10.24
4.83
4.75 – 5.25
Pass
Total PSU DC Loading = 384W (51% of Rated Maximum Output Power)

 

Core Edition PRO750W (P1750SNLB9) 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
12.95
41.57
3.21
3.135 – 3.465
Pass
+5V
14.78
73.01
4.94
4.75 – 5.25
Pass
+12V
51.89
623.71
12.02
11.4 – 12.6
Pass
-12V
0.35
4.13
11.80
10.8 – 13.2
Pass
+5VSB
2.11
10.08
4.78
4.75 – 5.25
Pass
Total PSU DC Loading = 752W (100% of Rated Maximum Output Power)

 

Mains Input Voltage 230VAC

 

 

Core Edition PRO750W (P1750SNLB9) Power Supply DC Output Voltage Load Regulation
Supply = 230VAC/50Hz
PSU DC Rail
Measured Voltage(V)
3V3
3.36
5V0
5.06
+12V
12.16
-12V
11.78
5VSB
5.10
Total PSU DC Loading = 0W (0% of Rated Maximum Output Power)

 

Core Edition PRO750W (P1750SNLB9) 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
3.19
10.65
3.34
3.135 – 3.465
Pass
+5V
4.78
24.09
5.04
4.75 – 5.25
Pass
+12V
7.68
93.16
12.13
11.4 – 12.6
Pass
-12V
0.34
3.98
11.72
10.8 – 13.2
Pass
+5VSB
2.12
10.34
4.88
4.75 – 5.25
Pass
Total PSU DC Loading = 142W (19% of Rated Maximum Output Power)

 

Core Edition PRO750W (P1750SNLB9) 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
8.23
26.99
3.28
3.135 – 3.465
Pass
+5V
9.60
48.00
5.00
4.75 – 5.25
Pass
+12V
24.52
296.20
12.08
11.4 – 12.6
Pass
-12V
0.35
4.13
11.80
10.8 – 13.2
Pass
+5VSB
2.12
10.24
4.83
4.75 – 5.25
Pass
Total PSU DC Loading = 386W (51% of Rated Maximum Output Power)

 

Core Edition PRO750W (P1750SNLB9) 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
13.20
42.50
3.22
3.135 – 3.465
Pass
+5V
14.57
72.12
4.95
4.75 – 5.25
Pass
+12V
52.36
634.60
12.12
11.4 – 12.6
Pass
-12V
0.35
4.15
11.86
10.8 – 13.2
Pass
+5VSB
2.11
10.11
4.79
4.75 – 5.25
Pass
Total PSU DC Loading = 763W (102% of Rated Maximum Output Power)

 

The PRO750W produced a decent set of results in this section. The 3V3 and 5V0 rails dropped a little below their optimum levels but still, like the other rails, remained well within the limits set down by the ATX12V V2.2 specification. No problems here so let's move on.




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