In Win Commander II 1200W
by Martin Kaffei on June 10, 2011 1:10 PM EST- Posted in
- Cases/Cooling/PSUs
- PSUs
- 1200W
- In-Win
Noise Levels
| Sound Pressure Level (Ambient: 16dBA, 1m distance) | |
| Load | dB(A) |
| 10% | 18 |
| 20% | 19 |
| 50% | 22 |
| 80% | 28 |
| 100% | 33 |
| 110% | 36 |
The In Win sample is hardly audible at low loads. Given that a set of GPUs that might need such a PSU will require clearly audible fans, the PSU will not be the primary source of noise. If you choose to build a water-cooled PC, it might be possible to reduce the low-load noise, in which case a semi-passive solution like the upcoming Seasonic Platinum could be interesting. Starting at 80% load, the fan gets quite loud, and even at 50% load we wouldn't qualify the PSU as silent.
Efficiency and PFC
| 115VAC, 60Hz | ||
| Load | Efficiency | PFC |
| 10% | 81% | 0.944 |
| 20% | 85% | 0.956 |
| 50% | 87% | 0.975 |
| 80% | 85% | 0.984 |
| 100% | 82% | 0.988 |
| 110% | 80% | 0.992 |
| 230VAC, 50Hz | ||
| Load | Efficiency | PFC |
| 10% | 82% | 0.860 |
| 20% | 86% | 0.924 |
| 50% | 88% | 0.971 |
| 80% | 86% | 0.984 |
| 100% | 84% | 0.985 |
| 110% | 81% | 0.987 |
The power factor is decent for 230VAC load, particularly as the efficiency stays above 80% too even at 10% load. Most competitors with 80 Plus Bronze reach 78-79% at 10% load so Andyson did a great job here. With up to 87% efficiency at 115VAC this PSU is more efficient than the Antec HCG 750W, but it would need a PC that idles at 120W or more and loads at 600W or more to run at optimal efficiency.
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18 Comments
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gusnovak - Saturday, June 11, 2011 - link
how can we get rid of this kind of scum from china?JarredWalton - Saturday, June 11, 2011 - link
By me marking them as "spam". :-)iamkyle - Saturday, June 11, 2011 - link
...another review without comparisons to other products. Seriously, why can't this be done?Martin Kaffei - Saturday, June 11, 2011 - link
There are many comparisons in the conclusion. But if you are thinking of roundups were we compare every single feature we will find a solution.maddogcolli - Saturday, June 11, 2011 - link
"...merely an average 1200W offering."I wondering if merely an average power supply is all that is needed these day's? Since mother board manufacture's today are paying alot of attention to onboard voltage regulation. Does the end user really need a state of the art pwr supply?
Martin Kaffei - Saturday, June 11, 2011 - link
Since many components have a direct connection to the PSU: Yes.Moreover the VRM on some mainboards might be relatively resistant, but that does not apply to every one.
Of course not all systems need the best PSU but if there are important data on your PC or if the PC is very expensive I would spend much money in the PSU.
zhongkko - Sunday, June 12, 2011 - link
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