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Sub-$75 Mainstream Power Supply Roundup

Enermax Pro82+ II: Measurements

Efficiency in accordance with the 80 PLUS specification:

Efficiency under different load profiles:

Like the other candidates here, Enermax's PRO82+ II has two dedicated 12 V rails. Despite having one of the lowest power ratings, it can handle the most power--up to 20 A per 12 V rail.

So far, Enermax should be on its way to a test victory...but then we hit the efficiency results. With up to 86% efficiency at 230 V, its results are far from bad, but the results are not good enough to warrant the model's 80 PLUS Bronze certification. At 115 V, the PRO82+ II is always two to three percent below the respective required value. Other than that, the Enermax PRO82+ II is flawless.

  • That was scary seeing the AXP PSU blow up...
  • eddieroolz
    I still remember buying my Corsair VX550W for $91CAD just a year and half ago. Amazing how prices have come down for cheap, capable and yet quality PSUs over time.

    Oh, and it was interesting to see a real PSU blow up :D
  • Patrick u sure the antec blows the hot air into the case?
    Looking at the picture and the fan alignment it seems otherwise.
  • jestersage
    I wish the Xigmatek was available here. All we have are expensive 750w and 850w versions.
  • jabbrun
    How come there's no Silverstone strider 400W...
  • bmadd
    Im glad to see that the Antec 380D won. I have bought 5 for family and friends have been solid units to date.
  • youssef 2010
    I don't think the Xigmatek PSU can keep the 650W load reliable or else Xigmatek would've rated it to be 650W
  • dragon5677
    Antec is awesome as always
  • feeddagoat
    Is there no way to measure how stable the power on each rail is? Some PSU's Ive seen are very efficient but their rails drops below recommended power delivery meaning components are starved. Some even fluxuate which can damage components over time. The only other thing I feel is missing is capacitor aging. Is there any way to simulate 2-3 years use? Most PSU's I use in my main machine get handed down to another rig or sold. 2nd hand PSU's could be false economy!

    great video, Ive always wanted to see a PSU explode lol.
  • dEAne
    All these keeps me updated.