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Corsair TX750W Review - Updated

paulktreg    -   November 23, 2008
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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
Corsair TX750W
Pass

 

Short Circuit Protection:

I short circuited the 3V3, 5V0 and 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:

 

Testing @ 110VAC

 

 

110VAC - Total Load at 145W which is 19% of Rated Maximum Output Power.

PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.34
3.16
10.55
3.135 – 3.465
Pass
+5V
5.11
4.82
24.63
4.75 – 5.25
Pass
+12V
12.15
7.76
94.28
11.4 – 12.6
Pass
-12V
12.09
0.36
4.35
10.8 – 13.2
Pass
+5VSB
5.11
2.16
11.04
4.75 – 5.25
Pass
Total Power Supply Loading
145W
 

 

110VAC - Total Load at 395W which is 53% of Rated Maximum Output Power.

PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.33
8.10
26.97
3.135 – 3.465
Pass
+5V
5.11
9.61
49.12
4.75 – 5.25
Pass
+12V
12.17
24.95
303.64
11.4 – 12.6
Pass
-12V
12.24
0.37
4.53
10.8 – 13.2
Pass
+5VSB
5.10
2.16
11.02
4.75 – 5.25
Pass
Total Power Supply Loading
395W
 

 

110VAC - Total Load at 747W which is 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
3.33
12.55
41.79
3.135 – 3.465
Pass
+5V
5.11
13.88
70.93
4.75 – 5.25
Pass
+12V
12.20
50.69
618.42
11.4 – 12.6
Pass
-12V
12.45
0.38
4.73
10.8 – 13.2
Pass
+5VSB
5.09
2.16
10.99
4.75 – 5.25
Pass
Total Power Supply Loading
747W
 

 

Testing @ 230VAC

 

 

230VAC - Total Load at 145W which is 19% of Rated Maximum Output Power.

PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.34
3.14
10.49
3.135 – 3.465
Pass
+5V
5.11
4.82
24.63
4.75 – 5.25
Pass
+12V
12.15
7.76
94.28
11.4 – 12.6
Pass
-12V
12.10
0.36
4.36
10.8 – 13.2
Pass
+5VSB
5.10
2.16
11.02
4.75 – 5.25
Pass
Total Power Supply Loading
145W
 

 

230VAC - Total Load at 395W which is 53% of Rated Maximum Output Power.

PSU
DC Line
Measured
Voltage(V)
Measured
Current (A)
Load Power
(W)
ATX12V V Limits
(V)
Pass/Fail
+3V3
3.33
8.16
27.17
3.135 – 3.465
Pass
+5V
5.11
9.61
49.12
4.75 – 5.25
Pass
+12V
12.18
24.91
303.40
11.4 – 12.6
Pass
-12V
12.24
0.37
4.53
10.8 – 13.2
Pass
+5VSB
5..10
2.16
11.02
4.75 – 5.25
Pass
Total Power Supply Loading
395W
 

 

230AC - Total Load at 748W which is 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
3.33
12.70
42.29
3.135 – 3.465
Pass
+5V
5.11
14.11
72.10
4.75 – 5.25
Pass
+12V
12.18
50.77
618.37
11.4 – 12.6
Pass
-12V
12.46
0.38
4.73
10.8 – 13.2
Pass
+5VSB
5.09
2.16
10.99
4.75 – 5.25
Pass
Total Power Supply Loading
748W
 

 

The Corsair TX750W rails held up very well even under full load and easily maintained a level well within the limits laid down by the ATX12V specification.

 




  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
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