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Seasonic S12II 500 watt Power Supply Review |
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Thursday, 24 January 2008 |
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Page 6 of 6
Tests and Results
To test the Seasonic S12II power supply we used the French stress-testing program OCCT (Ocbase et OCCT - L'union des overclockers - OCCT Official Website) which works in conjunction with Speedfan to record the minimum and maximum voltages recorded over a 30-minute time period while continually subjecting the system to a constant 97% to 100% load. In conjunction with that we also ran a copy of Ultra-X's WinStress program, WinStress Test (W.S.T.) is a Windows based utility for exercising and stress load testing the system's overall performance. WinStress Test performs simultaneous stress testing on all core components and supports Windows XP, 2000, 2003 Server and Windows Vista.
| Processor: |
Intel Pentium 4 E6700 ES |
| Motherboard: |
Gigabyte D965-DQ6 |
| Memory: |
Mushkin 4 GB PC-6400 Redline |
| Video Cards: |
2 - HIS X1950XT in Crossfire Configuration |
| Hard Drives: |
Hitachi (1TB) WD(500GB) WD(250GB) |
| Cooling: |
CoolIt FreeZone TEC Cooler |
| Case: |
Zalman Fatal1ty FC-ZE-1 Chassis |
| DVD-RW: |
NEC ND-3540A |
| Fans: |
2 - 120mm Fans |
One of the first things we wanted to check was to see was how close to the Performance Factor of 99 that Seasonic claimed the S12II was capable of achieving. As you can see under full load it was exactly on the mark of where it should have been.
| Voltage |
High |
Low |
∆ |
| 1.30V |
1.5 Volts |
1.2 Volts |
0.3 Volts |
| Voltage |
High |
Low |
∆ |
| 3.3 Volts |
3.25 Volts |
3.20 Volts |
0.05 Volts |
| Voltage |
High |
Low |
∆ |
| 5 Volts |
5.00 Volts |
4.95 Volts |
0.05 Volts |
| Voltage |
High |
Low |
∆ |
| 12.0 Volts |
12.10 Volts |
11.90 Volts |
0.20 Volts |
Conclusion
Once again Seasonic has put on the market a mid-priced power supply (sub-$100) that other companies will need to try and equal. Not only does this power supply offer solid rail voltages along with near silent operation. Add in the fact that the power supply is capable of handling not one but two PCI-e video card so it can be used in either a Crossfire or SLI configuration.
So if you are in the market for quality power supply without breaking the bank, give the Seasonic S12II 500 watt power supply a good long look, you will not regret your decision to do so.
A special thanks to Season who provided us this sample
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