Reviews - Cooler Master Masterwatt Maker 1200W MIJ
Sample Provided by: Cooler Master (By OklahomaWolf on Tue, Mar-07-2017)

Page 5 - Disassembly

Our first stop on this page is to look at a Silencio fan, featuring something called a loop dynamic bearing. A quick look at CM's site reveals it's another sleeve bearing variant, intended to last 160k hours. Impressive, if true. Fortunately, my experience with Cooler Master fans has indicated they do know how to make a fan, and since this beast has a ten year warranty I have no complaints.

Now, we get to see the guts of the beast. I like what I see so far. Hey, does anyone hear music? Must be my imagination.

Here's something we don't see every day... industrial grade insulators on the spade terminals for the line wires. We do, however, often see those two Y caps on the receptacle.

This here marks the location of the only components that get housing assisted cooling.

I knew I heard music. I didn't know I heard pr0n music. I need an adult! Wait... I am an adult.

Come closer, you sexy pile of circuits.

Jesus Christ on a cracker, I have never seen board work quite this good, and I've been in electronics forever. Did aliens do this or something? This might even top Delta's best work. Here we find a PIC24FJ32GA microcontroller near an NCP1397AG resonant mode controller.

A little to the left of there, we find... wait, I need a napkin for the drool. There we go. Here, we find... dammit, need another napkin. I'm just going to go get that whole roll of paper towels upstairs.

That's a PIC24FJ64GA306 microcontroller in the top center.

Above that microcontroller, we find an MC74VHCT50AG noninverting buffer/CMOS logic level shifter. I'm not totally sure what it does, but it sounds sexy and I know I've never seen one in a power supply before. It can shift my logic level anytime.

I could spend literally all day looking at just the underside of the mainboard, but we do have to see what's up top before I run out of paper towels. Here's a look at a capacitor discharge IC, used to aid with efficiency.

Oh, for the love of... I thought the underside was good looking. I haven't found a damn thing to nitpick yet, and I suspect I'm not going to. I count four Y caps, four X caps, two coils, and a TVS diode in the line filter. We have an interleaved semi bridgeless design, it looks like, thus the two shielded PFC coils that look like someone in Japan spends all his time in a monastery painstakingly building them by hand, and that's his entire job at Murata.

I mean, mother of God... there's your thousand dollar build quality looking right at you, people. This is build quality on a whole new level for me.

The PFC section employs four of these 65C7045s and two diodes. Like I said, interleaved. Look at those sexy through holes for screws... that's another thing most OEMs don't bother with. The level of detail and thoughtfulness I've seen in this thing so far is just mind blowing.

I'm halfway through the paper towels and on my third glass of water. I hope I get to the end of this page before I end up in the hospital for dehydration due to all the drooling I'm doing.

We can't have enough pictures of something this attractive, so here's the PFC heatsink from the other side with the two diodes.

This part of the unit is mostly responsible for standby duty among other things. Here we see a UCC28070 PFC controller.

That's a 2A16815 in the middle, there. Not sure what it does.

Near the Nippon Chemi-Con main filter caps, we see the switcher heatsink, which holds two AOTF27S60s.

Every single capacitor I can find in here is from a Japanese name. Mostly Rubycon and Nippon Chemi-Con. That said, this one's an anomaly... I'm not sure who makes it.

There's the minor rail VRM, right there.

The bridge is a D25XB60, and you're getting about as good a look at it as I can manage right now.

The backside of the VRM is every bit as gorgeous as the underside of the mainboard. On the top left, we find an SC1399A3. In the middle, an International Rectifier... something or other I can't seem to find information about online. Possibly I've lost the ability to brain things at this point. That's a TPS40101 buck controller on the bottom right.

The other side of the standby and PFC control board. Yes, this unit has two fuses. One for this board, one for the line input. Unreal.

Relay from Panasonic, of course. Why leave Japan just for one relay? On the top left is the buss bar used for the 12V output. It doubles as heatsink. The 12V output parts are not visible or accessible down the side of those bars to the left.

A better look at the main filter caps.

The modular board is, again, damn near flawless. Wait... I see remnants of flux!!! This was built on Earth!!! By humans!!! We haven't actually been invaded!!!

The other side of the board shows us rows upon rows of Rubycon capacitors compartmented off by buss bars to help carry the power around.

And finally, the last picture. You need one more good look at this work of art before we move to the scoring, and I need a goddamn cigarette.

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