For this review of the HEC WinPower 550UB (HEC-550TW-TF) 550W powersupply, we'll be applying a couple of tests you can reproduce at home with available equipment, all with an eye towards seeing how this unit generally performs. The HEC Win550UB powersupply is rated to a peak of 550W power and features dual 12V lines with a combined output capabilities of 35A. The WIN 550UB adheres to the ATX 2.01 standard, but is compatible with 20-pin ATX motherboards.



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