Even though the unit is UL certified, the UL certification number is nowhere to be found. According to some print on the PCB, the unit is designed by
Andyson International Co. Ltd..
BFG Tech ES-800 800 Watt, BFGR800WESPSU |
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AC Input | 100V-240V, 5-10A max., 50-60 Hz |
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DC Voltage | +3.3V | +5V | +12V1 | +12V2 | +12V3 | +12V4 | +5VSB |
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Max. Output | 30A | 30A | 22A | 22A | 36A | 36A | 3.0A |
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170W | 780W | 20W |
800W |
Tested on: AMD Athlon64 FX-62 @ 2800 MHz, ABIT AT8, 2x 512 MB DDR400, WD Raptor 36 GB, Radeon X1900 XTX + Radeon X1900 XTX Crossfire
The ripple voltage is excellent with only 10.4 mV from peak to peak.
Standard deviation 3.3V | 7.71 |
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Standard deviation 5V | 4.18 |
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Standard deviation 12V | 7.61 |
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Power Factor | 0.99 |
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Ripple Voltage 12V | 10.4 mV |
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Power Efficiency | 84.9% (353W:416W) |
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For easier comparison between power supplies we put the (normalized) line regulation standard deviation into graphs.
Standard deviation is a statistical term, which tells how far away from the average the measurements are. In other words it's the average of the average.
A large standard deviation indicates that the data points are far from the average and a small standard deviation indicates that they are close within the average.
So the smaller the standard deviation is, the better the line regulation.