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Test Setup and Benchmark Results

Five Highly Efficient Power Supplies: 1200 W and Up
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Test Setup

Test Hardware
AC Source:Chroma Programmable AC Source 6530
Power Meter:Yokogawa WT210 Digital Power Meter
Loads:4x 600 W Chroma 63306 for 12 V testing
4x 300 W Chroma 63303 for 5 and 3.3 V testing
using Chroma HighSpeed- DC Load Mainframes 6334
Oscilloscope:Tektronix DPO3034 Digital Phosphore Oscilloscope (300 MHz)
Test Procedure
Voltages:110 and 230 V
Standby Power:0.25 A fixed current to simulate PC standby power
on 5 Vsb
80plus Efficiency Testing:100/50/20% load, relative to specified total output
Load distribution across 12/5/3.3V rails at the same proportion as specified for 100%
testing at 110 V according to ATX 2.3 specification
Efficiency at Fixed Loads:25, 50, 85, 300, 500 W loads
Load distribution across 12/5/3.3 V rails at the same proportion as specified for 100%
Peak Load Test:110% Overload Testing at maximum combined 12 V
Temperature Test:Air intake vs. Outtake temperature delta
tracking highest delta during all tests

Benchmark Results

You can find more test results for these and other PSUs in our Power Supply Charts.

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