Lian-Li Silent Force 750W Review
paulktreg - October 7, 2008» Discuss this article (5)
Testing:
For more information on our testing system, please browse our testing methodology.
Electrical Safety:
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Electrical Safety Test Class 1
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Manufacturer/Model
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Pass/Fail
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Lian-Li Silent Force 750W
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Pass
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Short Circuit Protection:
I short circuited the 3V3, 5V0 and all four 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:
Testing @ 110VAC
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110VAC - Total Load at 176W which is 23% of Rated Maximum Output Power. |
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PSU
DC Line
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Measured
Voltage(V)
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Measured
Current (A)
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Load Power
(W)
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ATX12V V Limits
(V)
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Pass/Fail
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+3V3
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3.38
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3.16
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10.68
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3.135 – 3.465
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Pass
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+5V0
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5.11
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4.78
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24.43
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4.75 – 5.25
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Pass
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+12V0(1)
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12.18
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2.57
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31.30
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11.4 – 12.6
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Pass
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+12V0(2)
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12.19
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2.58
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31.45
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11.4 – 12.6
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Pass
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+12V0(3)
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12.18
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2.55
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31.06
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11.4 – 12.6
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Pass
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+12V0(4)
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12.18
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2.60
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31.67
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11.4 – 12.6
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Pass
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-12V0
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11.90
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0.36
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4.28
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10.8 – 13.2
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Pass
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+5VSB
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5.03
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2.16
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10.86
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4.75 – 5.25
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Pass
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Total Power Supply Loading
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176W
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110VAC - Total Load at 476W which is 64% of Rated Maximum Output Power. |
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PSU
DC Line
|
Measured
Voltage(V)
|
Measured
Current (A)
|
Load Power
(W)
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ATX12V V Limits
(V)
|
Pass/Fail
|
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+3V3
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3.33
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7.91
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26.43
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3.135 – 3.465
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Pass
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+5V0
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5.07
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9.40
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47.66
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4.75 – 5.25
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Pass
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+12V0(1)
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12.11
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7.79
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96.52
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11.4 – 12.6
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Pass
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+12V0(2)
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12.11
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8.02
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97.12
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11.4 – 12.6
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Pass
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+12V0(3)
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12.08
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8.03
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97.00
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11.4 – 12.6
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Pass
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+12V0(4)
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12.08
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7.99
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96.52
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11.4 – 12.6
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Pass
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-12V0
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12.19
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0.37
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4.51
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10.8 – 13.2
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Pass
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+5VSB
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4.94
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2.15
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10.62
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4.75 – 5.25
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Pass
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Total Power Supply Loading
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476W
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110VAC - Total Load at 748W which is 100% of Rated Maximum Output Power. |
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PSU
DC Line
|
Measured
Voltage(V)
|
Measured
Current (A)
|
Load Power
(W)
|
ATX12V V Limits
(V)
|
Pass/Fail
|
|
+3V3
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3.28
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12.21
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40.05
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3.135 – 3.465
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Pass
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+5V0
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5.06
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9.40
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47.56
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4.75 – 5.25
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Pass
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+12V0(1)
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12.05
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13.40
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161.47
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11.4 – 12.6
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Pass
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+12V0(2)
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12.02
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13.47
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161.91
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11.4 – 12.6
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Pass
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+12V0(3)
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11.96
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13.45
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160.86
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11.4 – 12.6
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Pass
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+12V0(4)
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11.97
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13.44
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160.88
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11.4 – 12.6
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Pass
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-12V0
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12.56
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0.39
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4.90
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10.8 – 13.2
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Pass
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+5VSB
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4.83
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2.12
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10.24
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4.75 – 5.25
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Pass
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Total Power Supply Loading
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748W
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|
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Testing @ 230VAC
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230VAC - Total Load at 176W which is 23% of Rated Maximum Output Power. |
|||||
|
PSU
DC Line
|
Measured
Voltage(V)
|
Measured
Current (A)
|
Load Power
(W)
|
ATX12V V Limits
(V)
|
Pass/Fail
|
|
+3V3
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3.38
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3.15
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10.65
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3.135 – 3.465
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Pass
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+5V0
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5.12
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4.78
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24.47
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4.75 – 5.25
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Pass
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+12V0(1)
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12.18
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2.57
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31.30
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11.4 – 12.6
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Pass
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|
+12V0(2)
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12.19
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2.58
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31.45
|
11.4 – 12.6
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Pass
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+12V0(3)
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12.18
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2.55
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31.06
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11.4 – 12.6
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Pass
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+12V0(4)
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12.18
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2.59
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31.55
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11.4 – 12.6
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Pass
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-12V0
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11.88
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0.36
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4.28
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10.8 – 13.2
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Pass
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+5VSB
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5.10
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2.18
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11.12
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4.75 – 5.25
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Pass
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Total Power Supply Loading
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176W
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|
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230VAC - Total Load at 477W which is 64% 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
|
7.94
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26.44
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3.135 – 3.465
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Pass
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|
+5V0
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5.07
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9.42
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47.76
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4.75 – 5.25
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Pass
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+12V0(1)
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12.10
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7.99
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96.68
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11.4 – 12.6
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Pass
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+12V0(2)
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12.11
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8.04
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97.36
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11.4 – 12.6
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Pass
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+12V0(3)
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12.08
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8.04
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97.12
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11.4 – 12.6
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Pass
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+12V0(4)
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12.08
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8.02
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96.88
|
11.4 – 12.6
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Pass
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-12V0
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12.20
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0.37
|
4.51
|
10.8 – 13.2
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Pass
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+5VSB
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4.94
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2.15
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10.62
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4.75 – 5.25
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Pass
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Total Power Supply Loading
|
477W
|
|
|||
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230VAC - 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
|
3.27
|
12.26
|
40.09
|
3.135 – 3.465
|
Pass
|
|
+5V0
|
5.00
|
9.43
|
47.15
|
4.75 – 5.25
|
Pass
|
|
+12V0(1)
|
12.02
|
13.42
|
161.31
|
11.4 – 12.6
|
Pass
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|
+12V0(2)
|
12.02
|
13.49
|
162.13
|
11.4 – 12.6
|
Pass
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|
+12V0(3)
|
11.96
|
13.46
|
160.98
|
11.4 – 12.6
|
Pass
|
|
+12V0(4)
|
11.97
|
13.48
|
161.36
|
11.4 – 12.6
|
Pass
|
|
-12V0
|
12.55
|
0.39
|
4.89
|
10.8 – 13.2
|
Pass
|
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+5VSB
|
4.83
|
2.12
|
10.24
|
4.75 – 5.25
|
Pass
|
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Total Power Supply Loading
|
748W
|
|
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The DC voltage regulation of the Lian-Li Silent Force 750W is excellent. I was able to take the power supply to 100% of the rated load and the power supply held the rails well within the ATX12V specification, the primary 3V3, 5V0 and particularly the 12V rails are almost perfect.

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