Reviews - Topower KC-750 750W
Sample Provided by: Topower (By OklahomaWolf on Sat, Apr-24-2010)

Page 1 -

You'll have to forgive me if I seem a little distracted today. You see, I've just received word that due to the continuing issues presented by the ash cloud from the Eyjafjallajökull volcanic eruptions, a number of things I ordered from Europe are late in arriving here. Some of these things, a refined sense of humor being one of them, just didn't get here in time. So, I hope you'll forgive me if some of my jokes fall a little flat.

But, there is good news. Today's review sample, the Topower KC-750, was not delayed by the ash cloud. Let's take a look now.

I must confess that I've never really known how to pronounce Topower's name. Is it "top power?" "To power?" "Topo wer?" "To pow 'er?" I certainly hope it isn't that last one, as I would like to see this unit complete testing. Smoke from exploded units isn't fun to breathe in. We'll see how this unit handles on pages two and three. Speaking of handling things, I hope I can handle the truth! Haw haw... wait, that one didn't work, did it? I'll try again later.

There are some bullet points on the front of the box. Here they are now:

  • Flat Cables
    Cable management is easier than ever
  • Double-Bearing Fan
    Quiet and thermally controlled 120mm double ball-bearing fan
  • Powerful Single +12V Rail
    Enhanced +12V rail for industry latest components
  • High Efficiency
    87% max efficiency stays cool and lowers energy bills
  • High Safety Standards
    meets medical equipment safety standards
  • Quad GPU Ready
    Supports latest multi-GPU Video cards

There are also logos proclaiming a three year warranty as well as 80 Plus certification.

Dare to be different, says Topower, at the top of this box panel. Well... I do have a history of doing everything asked of me in print media, so I'll just go ahead and put on these giant sunglasses and fake moustache. I'm also going to point out that this part of the box carries specifications on all the units in Topower's KC series of units, which goes from 650 watts up to 850. Below these specs, one can find a list of the connectors present on all models.

This side of the box goes into the history of Topower as a company, as well as a little marketing on things like the flat cables and the fan.

The bottom of the box gives us these little pictures of the connectors on the unit, as well as yet another dare to be different. Hmm... it's triple dared me already. The funny glasses and moustache alone must not be doing it. Where are those floppy shoes from the last review? Ah, here they are. Of course they look like regular shoes... I'm a tall guy, not Ronald McDonald. Or... am I?

The back of the box gives us some more marketing goodness to think about:

"The Topower power supply combines true power with performance. This power supply is an ideal solution for Gamers, Modders, Sever and power users who demand the very best from their system."

I wonder how Ecks feels about this paragraph. Betcha he goes ballistic. Dare to be different. Sigh. What must I do to appease this box? I'll go get the spinning bow tie while you read through some more bullet points.

  • High Efficiency with PFC
    + 99% Active Power Factor Correction provides clean and reliable power to your system
    + High PF rate up to 0.99
    -Uh, Topower? PFC doesn't really do anything for the output side of the power supply. It merely cleans up the load presented to the utility by making a complicated load look more like a simple one.
  • Flat Cables
    + Hassle free cable management, flat cable design for efficient cable routing.
  • 105° Japanese Capacitor
    + 105 C rated industrial grade capacitors, providing uncompromised performance and reliability.
  • 80%+
    + 80%+ energy efficiency at 20%, 50% and 100% load condition for less heat generation and lower energy bill.
    -there sure are a lot of plus signs on this part of the box. I, for one, remain nonplussed. Ha! Oh... that joke didn't work too well either. Sorry about that.
  • ATX/EPS 12V Ver.
    + Supports ATX12V/EPS12V v2.2 standard and older ATX12V 2.01
  • Durable ball-bearing Fan
    + Ball-bearing fan is more durable than sleeve fan
  • Medical standards
    + high safety standards, meets medical equipment safety standard
    -For a minute there, I thought I had a good clean joke about defibrillators, power supplies, and bathtubs lined up there but my brain just went blank. Stupid volcano.

Dare to be... oh, come on!!! Time to break out the big guns. I'm putting on the green clown wig. Don't try to stop me, it'll be ok. I know what I'm doing.

Here are the contents of the box. A power supply, a manual, a bag of accessories, and a carrying bag for the power supply. That's so you can take the power supply with you on vacation.

The manual is a very brief affair. It consists of one piece of paper folded in the middle. Not the best I ever did see, but then again it is a power supply. You bolt it in, plug stuff into it, and power up.

The bag of accessories encloses a set of velcro cable ties, some screws, and zip ties.

Here's the power supply itself. Ah, matte black - will I ever tire of you? Probably not.

In this shot, we see that the back of the unit houses a hole the size of Texas through which the cables emerge. Unlike most units I test, these wires weren't secured to the housing through the use of a zip tie, so they're free to move around. I'm not sure I like what this approach means for reliability should you happen to flex those wires once too often.

Here's the exhaust grille. It's reasonably open, with only the area occupied by the fan, switch, and AC receptacle blocked off. This should sufficiently keep the unit cool.

The fan from head on. I must say it seems a bit strange to see a 120mm fan these days when most everyone else has gone to 135-140mm models for units like this.

Here's the label for this unit, which gives us the actual model number for the unit: TOP-750A-P1. Hmm... I can't seem to find this unit listed at the 80 Plus website. Perhaps it's there, and just listed as another model.

Topower KC-750

+3.3V +5V +12V -12V +5VSB
26A 26A 57A 0.8A 3A
Max Power 160W 730W 9.6W 15W

It looks like the "flat cables" mentioned by the box are standard ribbon cabling, applied to all but the main ATX cable. This is certainly an improvement over the usual cabling you get with low end units, but I would have to say it doesn't do a lot for my sense of aesthetics like a full sleeving job would.

Type of connector: Topower KC-750
ATX connector (530mm) 20+4 pin
8 pin EPS12V (530mm) 1
4+4 pin EPS12V/ATX12V connector (+150mm) 1
6 pin PCIe (530mm) 2
6+2 pin PCIe (+150mm) 2
SATA (490mm+150mm+150mm+150mm) 8
5.25" Drive (480mm+150mm+150mm) 5
3.5" Drive (+150mm) 1
Unit Dimensions(L x W x H)
160mm x 150mm x 86mm

Sharp eyes will have spotted something interesting - the cable lengths are just about all different from those given by the box. They're actually a bit longer in reality. To be honest, this may not be a bad thing - the lengths given by the box might have come up short in some ways.


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