Reviews - Enermax Eco80+ 620W
Sample Provided by: Enermax USA (By OklahomaWolf on Sun, Jun-07-2009)

Page 1 -

I don't know about you, but I like this planet. I like trees, water, rocks... all that cool stuff. Enermax likes this planet too, and that's why I'm looking at a 620 watt unit from a new product line from them, Eco 80+. Judging from the above box, these power supplies actually grow on trees. Cool! You say that's unlikely? Man, what a letdown.

Aside from the box telling us to love our earth, there are a few marketing goodies in the above shot already. 80-86% efficiency - that's good. SpeedGuard fan control - well, thermal fan control is good too. MAGMA fan inside - wait, what? Oh... magnetic fan technology. For a minute there I thought I was going to have to write this review from Dr. Evil's secret volcano lair, and I don't think I'm welcome there anymore. The front of the box finishes up with a prominent 80 Plus logo. Not the bronze, silver, or gold one; just the plain old 80 Plus logo.

Moving on with our box shots, this side has the specs for all four models in the Eco 80+ series, ranging from 350 watts to this unit's 620.

Ah, I found some bragging points. But from the looks of things, they're done up in four languages; none of them English. French, Italian, Spanish, and Russian. I think I'll move on and hope that we find the English ones somewhere else on the box.

On this side of the box, we get connector counts for each model in the series.

Ah, here we go. English bullet points.

  • 80 Plus ready!
    80-86% efficiency @ 20-100% load. Compliant with 80 Plus® efficiency requirement.
  • MAGMA Fan inside!
    BATWING TWISTER Bearing fan with low noise and long lifetime (100,000 hours MTBF, Patented).
    -wait a moment here... this is getting confusing. Is it made of magma or is it a twister? Some combination of the two maybe? Well, I guess as long the fan works without ending up in the suck zone with Dusty...
  • SpeedGuard
    Advanced fuzzy logic 12cm fan speed control for optimal cooling and minimum noise (Patented).
    -sounds like the fan controller from the Liberty Eco to me.
  • SafeGuard
    Indusrty-leading octuple protection circuitry of OCP, OVP, UVP AC, UVP DC, OPP, OTP, SCP & SIP.
    -with that twister bearing fan in there, methinks they should add a couple: PHP and FTP. You know... Paxton-Hunt protection, and Falling Truck Protection.
  • AirGuard
    Patented air-inlet with optimal aero-dynamical design reducing noisy air turbulences.
    -is that what they're calling wire fan grilles these days?
  • 24/7 @ 40°C ready!
    Non-Stop industrial class performance at 40°C/104°F ambient.
    -with a fan made of magma? Really? I'd expect a fan made of red hot magma to take more than forty degrees. I'm going to go hotter than that, I think. No, I'm not going to throw it in a volcano.
  • GAMING ready!
    Support for the latest Intel® Core™ 2 Duo/Quad/Extreme/i7, AMD® Athlon™ 64X2 & Phenom™ X3/X4 & SLI™ or CrossFire X™.
    -as is common to all ATX standard units, this one supports all current processors™®☺♫©.
  • DXX ready!
    For PCI Express 2.0 / DXX next generation graphic cards with 6+2P (8P) PCI-E connectors. *Available for 400/500/620 model
    -What this means is, if you get the 350W model, you also get no 6+2 pin PCI-E connectors. To be fair though, most PCI-E cards that need an external 8 pin power supply connector will need something with more beef than a 350 watt unit can give you.
  • EMC ready!
    Full-scale electromagnetic filtering protects your system against radiation interferences. (CE EMC EN61204 compliance)
    -Now, don't go buying this if you need protection against plutonium... they're not talking about that kind of radiation. They're talking about the kind that gets into the TV set and messes up the picture when... this analogy doesn't work in 2009, does it? Hmm... let's see... it's like when you run an AM radio next to some power lines and... no, that doesn't work too well either. They're saying it keeps electromagnetic interference out of your system. There, that'll do.

Opening the box, we get our first look at the Eco 80+ and its twister fan. That's at least an F1, solid F2. I bet we see some F4's today... that'd be sweet. Oh sorry... I'm just going off on a tangent again. It's the Fujita scale, it measures a tornado's intensity by how much it eats. In a related note, I have my own Fujita scale for when I visit the buffet. It goes up to F10. Back to the review.

Here's the contents of our box: some velcro wire ties, a power cord, a bag of screws, a user guide, and a power supply.

Speaking of the user guide, it's just a folded up piece of paper. Even so, it contains a fair bit of useful information like warranty details and specs. Several languages are featured.

Contrary to how this picture looks on my BenQ monitor, the fan is more red than orange.

As you can see, this is not a modular model. All the cables are hardwired on this puppy. The finish is a pleasant matte black, with the sleeving going right up into the housing.

I'm getting a strong sense of deja vu here, for this label bears specs identical to the Liberty Eco 620W I reviewed not long ago. The 12V combined rating is a healthy 48A.


+3.3V +5V +12V1 +12V2 -12V +5VSB
24A 24A 30A 30A 0.6A 3A
Max Power 140W 576W 7.2W 15W

As was the case with most recent Enermax units I've looked at, the cable sleeving is that same "Hoover Special" treatment. In a disappointing twist, the cables are only sleeved up to the first connector. In the case of the PCI-E cables, both cables are combined into one sleeve that stops a rather long way from the actual connectors, leaving a country mile of unsleeved wires exposed. Yuck.

Type of connector: Enermax EES620AWT
ATX connector (560mm) 24 pin 12V2
4+4 pin ATX12V/EPS12V (565mm) 1
5.25" Drive (480mm+100mm+100mm) 3 12V1
3.5" Drive connectors (+150mm) 1
SATA (480mm+100mm+100mm) 6
5.25" Drive (+100mm+100mm) 2
6+2 pin PCIe (550mm) 2
Unit Dimensions(L x W x H)
140mm x 150mm x 86mm

I don't know about you, but looking at the 12V rail distribution I'm glad to see that each 12V rail gets a 30A limit. Only the CPU and ATX connectors get 12V2... everything else has to share 12V1. Including the two PCI-E connectors. I'd have put some of those Molexes and SATAs on 12V2, or a PCI-E connector... there's no way a mainboard and CPU is going to max out a 30A rail.


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