Reviews - Enermax MaxRevo 1350W power supply
Sample Provided by: Enermax USA (By jonny on Mon, May-30-2011)

Page 1 - Looking through the packaging

Today we're having a look at Enermax's newest power supply; the MaxRevo 1350W.

The MaxRevo is Enermax's pinnacle product line and features three fully modular, 80 Plus Gold certified, high wattage units: 1200W, 1350W and 1500W.

No no no... accentuate the POSITIVE, guys. Something sort of says "aw shucks. Almost made it" when you advertise that you supposedly missed 80 Plus platinum by 1%.

The same box is used for all three MaxRevo units. The tables on the right are the DC output and cable and connector count for all three models. Below is that same information in the usual format. First the DC output table:

MaxRevo 1350













Max Power


1344W (112A)




Here are the cables and connectors we get with this power supply. Note again that this power supply is fully modular:

Enermax MaxRevo 1350W

Type of connector:


+12V Rail:
Modular Cables

24-pin ATX connector (650mm)



8-pin ATX12V/EPS12V (650mm)



8-pin & 4-pin EPS12V (1 cable w/ one of each connector) (650mm)


+12V3, 4, 5 or 6

6+2-pin PCIe (5 cables w/ 2 connectors each) (500mm)


+12V3, 4, 5 or 6

SATA (3 cables w/ 4 connectors each) (450mm+150mm+150mm+150mm)


+12V4 or 6

5.25" Peripheral Power Connector (2 cables w/ 4 connectors each) (450mm+150mm+150mm+150mm)


+12V4 or 6

3.5" Drive power adapter (+150mm on end of above cables)


+12V4 or 6

SATA and 5.25" Peripheral Power Connector (1 cable w/ 2 of each type of connector) (550mm+150mm+150mm+150mm)


+12V4 or 6

Unit Dimensions(L x W x H)

180mm x 86mm x 150mm

This table looks a little more confusing than usual, so I'll explain what's going on here. The MaxRevo has six +12V rails. The 24-pin's +12V is on +12V1 and the 8-pin CPU power connector is on +12V2. From there, it gets a little complicated. The modular connectors that the PCIe power connector cables and the 4+4-pin power connector cables plug into are either +12V3, +12V4, +12V5 or +12V6, depending on which one you plug into. The modular connectors for the peripheral and SATA power connectors are on either +12V4 or +12V6. The exact rail distribution is illustrated below:

We'll try to test out the OCP when we get around to load testing this unit later on in the review.

Now let's have a look at some of the other stuff that's taking up real estate on the back of this box...

The first feature described on the back of the box, and the most predominant one, is the description of Enermax's new "Full-Zone Magnetic Quadrant Transformer Design". This transformer is more densely wound so it is smaller and dissipates heat better than a conventional transformer.

The next feature we're shown is the "copper-bridge array". Essentially, this power supply uses a series of conductors that could be called a series of "busbars" to transmit power from the main PCB to the modular interface. Since this unit is fully modular, no wires are needed inside the power supply, as long as they can get the power to the modular interface. We'll take a look at how nicely this cleans up the inside of the power supply when we take the unit apart after testing.

Whew! Got a long laundry list here! Let's just go down the list here: They point out the "FMQ" transformer again. The power supply is 80 Plus Gold certified, although they use the term "88 Plus Ready" as if to imply there's a new standard for efficiency other than 80 Plus coming down the pike. ErP Lot 6 ready means it's efficient at standby.

The MaxRevo is "Full-modular ready", which is a bit of Engrish. It's either fully modular or it's not, of course. To say it's "full-modular ready" would imply that it's not fully modular, but easily be made modular. Seriously, if anyone in Asia needs a proof reader for your boxes, I work for peanuts.

"DXXI ready" is sort of tricky for me to figure out. Maybe because it's a "new generation" of graphics card, I haven't heard of it. I assumed that they mean DX XI, or "Direct X 11" using Roman numerals. Then again, I could be wrong as Direct X 11 is almost two years old now, but it is Microsoft's "newest generation". Regardless, the point they're trying to make is that ALL of the PCIe power connectors are 6+2-pin (can be either 6-pin or 8-pin PCIe power connectors). Say you had too much money and wanted to run multiple GTX 590 cards. Each cards needs two 8-pin power connectors instead of the typical one 6-pin and one 8-pin power connector.

The next bullet point improperly uses the word "ready" again. This power supply is apparently ready for electromagnetic compatibility, but you apparently need to add to it or something because it's only "ready". *sigh* Now, "future ready" is proper. Power supply compatibility hasn't changed much over the years. What we do keep seeing is changes in the way we deliver power to graphics cards and this power supply comes with a crap load of PCIe power connectors. Someone should also tell them that it's spelled "PCIe" with a lower case "e" and not "PCI-E".

If you had a server with multiple CPU's that required multiple CPU power connectors, this power supply is "server ready". "CordGuard" is the little metal clip we sometimes see on the back of power supplies. Zippy power supplies, for example, come with the metal clip installed. Enermax gives you the clip separately so you can install it if you wish to use it. I'll have some pictures of it on the next page.

"HeatGuard" is Enermax's name for a feature I like to see on a power supply. Typically you shut off your computer and all the fans stop spinning, but there's still a lot of heat stored up in there. "HeatGuard" keeps the fan spinning for a while after the PSU is shut down to help evacuate some of that heat. "SafeGuard" is the name Enermax is giving to all of the duties of the supervisor IC: OCP, OVP, UVP, OPP, OTP, SCP and SIP. "SpeedGuard" is the name Enermax gives to the thermostatic speed control of their fan. We're also told that the fan inside uses a "Twister Bearing". Also, the power supply uses all 105°C rated Japanese capacitors.

Whew! Well... this box certainly is "Bullet-Point Ready". Good thing I used my "RightGuard" to help me from sweating through my shirt after having to type all of that out. I think we're now "Review Ready".

As we pull the outer sleeve off the power supply's packaging, we find a little cardboard bureau of sorts. ll of our box's contents are sorted out in little cardboard drawers.

One of the drawers contains a "free sample" of Enermax's Twister Bearing "Vegas Duo" fan.

Underneath the fan we have all sorts of goodies. There's an Enermax catalog, a power cord, a card that describes the modular interface, how the +12V rails are split up (the illustration I used on the previous page) and how the different cables plug into it, four Enermax branded Velcro straps, an Enermax sticker, four mounting screws, and the "CordGuard" mentioned on the outside of the box.


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