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Topower 1000W Gold Power Supply Review

paulktreg    -   July 25, 2011
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Testing:

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

 

 

 

 

 

 

 

Topower 1000W (TOP-1000WG) DC Output Voltage Load Regulation
Supply = 117VAC/50Hz
PSU DC Rail
Rail Loading
Measured Voltage
Permitted Regulation
Actual Regulation
+3.3V
0
3.35V
±5%
+1.5%
+5V
0
5.05V
±5%
+1.0%
+12V
0
12.38V
±5%
+3.2%
-12V
0
12.28V
±10%
+2.3%
+5VSB
0
5.20V
±5%
+4.0%
Total PSU DC Loading = 0W (0% of Rated Maximum Output Power)

 

Topower 1000W (TOP-1000WG) DC Output Voltage Load Regulation
Supply = 117VAC/50Hz
PSU DC Rail
Rail Loading
Measured Voltage
Permitted Regulation
Actual Regulation
+3.3V
3.17A
3.31V
±5%
+0.3%
+5V
4.78A
5.01V
±5%
+0.2%
+12V
10.40A
12.34V
±5%
+2.8%
-12V
0.35A
12.14V
±10%
+1.2%
+5VSB
2.06A
4.88V
±5%
-2.4%
Total PSU DC Loading = 177W (18% of Rated Maximum Output Power)

 

Topower 1000W (TOP-1000WG) DC Output Voltage Load Regulation
Supply = 114VAC/50Hz
PSU DC Rail
Rail Loading
Measured Voltage
Permitted Regulation
Actual Regulation
+3.3V
3.11A
3.31V
±5%
+0.3%
+5V
9.63A
5.01V
±5%
+0.2%
+12V
32.73A
12.33V
±5%
+2.7%
-12V
0.35A
12.20V
±10%
+1.7%
+5VSB
2.05A
4.90V
±5%
-2.0%
Total PSU DC Loading = 476W (47.5% of Rated Maximum Output Power)

 

Topower 1000W (TOP-1000WG) DC Output Voltage Load Regulation
Supply = 110VAC/50Hz
PSU DC Rail
Rail Loading
Measured Voltage
Permitted Regulation
Actual Regulation
+3.3V
12.80A
3.21V
±5%
-2.7%
+5V
14.26A
4.86V
±5%
-2.8%
+12V
64.00A
12.22V
±5%
+1.8%
-12V
0.35A
12.39V
±10%
+3.2%
+5VSB
2.02A
4.80V
±5%
-4.0%
Total PSU DC Loading = 903W (90% of Rated Maximum Output Power)

 

Mains Input Voltage 230VAC

 

 

Topower 1000W (TOP-1000WG) DC Output Voltage Load Regulation
Supply = 246VAC/50Hz
PSU DC Rail
Rail Loading
Measured Voltage
Permitted Regulation
Actual Regulation
+3.3V
0
3.34V
±5%
+1.2%
+5V
0
5.04V
±5%
+0.8%
+12V
0
12.38V
±5%
+3.2%
-12V
0
12.29V
±10%
+2.4%
+5VSB
0
5.20V
±5%
+4.0%
Total PSU DC Loading = 0W (0% of Rated Maximum Output Power)

 

Topower 1000W (TOP-1000WG) DC Output Voltage Load Regulation
Supply = 244VAC/50Hz
PSU DC Rail
Rail Loading
Measured Voltage
Permitted Regulation
Actual Regulation
+3.3V
3.17A
3.31V
±5%
+0.3%
+5V
4.71A
5.01V
±5%
+0.2%
+12V
10.43A
12.35V
±5%
+2.9%
-12V
0.35A
12.14V
±10%
+1.2%
+5VSB
2.06A
4.88V
±5%
-2.4%
Total PSU DC Loading = 177W (18% of Rated Maximum Output Power)

 

Topower 1000W (TOP-1000WG) DC Output Voltage Load Regulation
Supply = 243VAC/50Hz
PSU DC Rail
Rail Loading
Measured Voltage
Permitted Regulation
Actual Regulation
+3.3V
3.14A
3.32V
±5%
+0.6%
+5V
9.62A
5.01V
±5%
+0.2%
+12V
32.55A
12.34V
±5%
+2.8%
-12V
0.35A
12.21V
±10%
+1.7%
+5VSB
2.05A
4.90V
±5%
-2.0%
Total PSU DC Loading =  474W (47% of Rated Maximum Output Power)

 

Topower 1000W (TOP-1000WG) DC Output Voltage Load Regulation
Supply = 241VAC/50Hz
PSU DC Rail
Rail Loading
Measured Voltage
Permitted Regulation
Actual Regulation
+3.3V
12.83A
3.21V
±5%
-2.7%
+5V
14.44A
4.85V
±5%
-3.0%
+12V
64.68A
12.22V
±5%
+1.8%
-12V
0.36A
12.41V
±10%
+3.4%
+5VSB
2.02A
4.82V
±5%
-3.6%
Total PSU DC Loading =  915W (91% of Rated Maximum Output Power)

 

The voltage regulation of the Topower 1000W power supply isn't quite as tight as some high end units tested by OCC but it remained inside the limits set down by the ATX12V V2.2 specification at all times. 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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