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Thermaltake Toughpower XT 775W Power Supply Review

paulktreg    -   March 9, 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
Thermaltake Toughpower XT 775W
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

 

 

Thermaltake Toughpower XT 775W Power Supply DC Output Voltage Load Regulation
Supply = 110Vac/50Hz
PSU DC Rail
Measured Voltage(V)
3V3
3.38
5V0
5.16
+12V
12.11
-12V
12.21
5VSB
5.16
Total PSU DC Loading =  0W

 

Thermaltake Toughpower XT 775W 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
3.23
10.92
3.38
3.135 – 3.465
Pass
+5V
4.93
25.49
5.17
4.75 – 5.25
Pass
+12V
10.18
123.18
12.10
11.4 – 12.6
Pass
-12V
0.35
4.07
11.64
10.8 – 13.2
Pass
+5VSB
2.10
10.67
5.08
4.75 – 5.25
Pass
Total PSU DC Loading = 174W (22% of Rated Maximum Output Power)

 

Thermaltake Toughpower XT 775W 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
8.58
29.09
3.39
3.135 – 3.465
Pass
+5V
9.93
51.34
5.17
4.75 – 5.25
Pass
+12V
26.37
318.55
12.08
11.4 – 12.6
Pass
-12V
0.35
4.09
11.68
10.8 – 13.2
Pass
+5VSB
2.11
10.70
5.07
4.75 – 5.25
Pass
Total PSU DC Loading = 414W (53% of Rated Maximum Output Power)

 

Thermaltake Toughpower XT 775W 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
13.54
46.04
3.40
3.135 – 3.465
Pass
+5V
15.12
78.17
5.17
4.75 – 5.25
Pass
+12V
52.10
628.85
12.07
11.4 – 12.6
Pass
-12V
0.35
4.13
11.80
10.8 – 13.2
Pass
+5VSB
2.07
10.47
5.06
4.75 – 5.25
Pass
Total PSU DC Loading = 768W (99% of Rated Maximum Output Power)

 

Mains Input Voltage 230VAC

 

 

Thermaltake Toughpower XT 775W Power Supply DC Output Voltage Load Regulation
Supply = 230Vac/50Hz
PSU DC Rail
Measured Voltage(V)
3V3
3.38
5V0
5.16
+12V
12.13
-12V
12.22
5VSB
5.16
Total PSU DC Loading =  0W

 

Thermaltake Toughpower XT 775W 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
3.23
10.95
3.39
3.135 – 3.465
Pass
+5V
4.93
25.49
5.17
4.75 – 5.25
Pass
+12V
10.19
123.30
12.10
11.4 – 12.6
Pass
-12V
0.35
4.08
11.65
10.8 – 13.2
Pass
+5VSB
2.10
10.67
5.08
4.75 – 5.25
Pass
Total PSU DC Loading = 175W (23% of Rated Maximum Output Power)

 

Thermaltake Toughpower XT 775W 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
8.58
29.09
3.39
3.135 – 3.465
Pass
+5V
10.06
52.01
5.17
4.75 – 5.25
Pass
+12V
26.69
322.68
12.09
11.4 – 12.6
Pass
-12V
0.35
4.09
11.68
10.8 – 13.2
Pass
+5VSB
2.11
10.70
5.07
4.75 – 5.25
Pass
Total PSU DC Loading = 419W (54% of Rated Maximum Output Power)

 

Thermaltake Toughpower XT 775W 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
13.81
46.95
3.40
3.135 – 3.465
Pass
+5V
15.40
79.62
5.17
4.75 – 5.25
Pass
+12V
52.13
629.73
12.08
11.4 – 12.6
Pass
-12V
0.35
4.13
11.81
10.8 – 13.2
Pass
+5VSB
2.07
10.50
5.07
4.75 – 5.25
Pass
Total PSU DC Loading = 771W (99% of Rated Maximum Output Power)

 

The DC output voltage load regulation of the Thermaltake Toughpower XT 775W is excellent with little or no drop on the main 3V3, 5V0 and 12V rails from zero to full load, which is illustrated by the straight lines on the graphs. The -12V rail is a little on the low side and shows the characteristic rise towards -12V as the power supply is loaded but it at all times remains well inside the limits set down by the ATX12V V2.2 specification.




  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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