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

Page 6 - Scoring

Performance (40% of the final score) - this certainly has been a memorable review. Performance wise, I can't really say for sure we got what we really wanted today. Half the S&C point goes away for 12V power on irregularities, and half a point has to come off for getting excellent load regulation when we were hoping for mythic. But that's all I'm deducting for here. Ripple control was outstanding and we got the Titanium efficiency we needed. Is this the best performing unit on the market? No. But it got a heck of a lot closer than anything I've tested from this company before. 9.

Functionality (20% of the final score) - this unit does most things right, and much of what it does wrong is inconsequential. I don't like the ribbon cabling, but the modular connectors made anything else impossible. Even so, I'm tossing a full point over it. Half a point goes off for the documentation. Another half point for the Berg connector. Finally, one more half point comes off for lack of accessories. That'll leave us with a 7.5 here.

Value (20% of the final score) - you can pre-order this right now for $999.99. Newegg and Amazon both have this price listed, as does Cooler Master's own site. They will apparently be shipping out in mid April. This is a toughie for me... on one hand, we didn't get the performance to justify that price. But on the other hand, the main selling point of this unit is the build quality. On that, no other unit I've ever seen can touch this one. We've now seen why Murata units go for mid to high three figures at Digikey. Quite simply, they're worth it. So, I'm going to do a 10. Sue me, I'm a sucker for build quality. If you want the best performance and don't have money, get an AX1500i or T2 1600W. If, however, you want the best build quality possible and don't mind a slight performance hit, you're not doing better than this unit.

Build Quality (20% of the final score) - you're kidding, right? This thing has build quality good enough to make me question my own scoring system. 10.







Build Quality


Total Score



I now find myself typing the summary to a very interesting review indeed. Cooler Master made a lot of bold promises with this one, claiming they were going to shake things up big time in the power supply industry. When it comes to performance, they didn't quite get there, though this unit is still good enough to be competitive on that alone, price notwithstanding. But when you talk about build quality to a point where I find myself wondering if even my Nikon D800 could possibly be built any better? Yeah, I can't say I'm unhappy at all with this unit. Is it worth a grand? I'm saying yes. Provided you can afford it.

The Good:

  • most of the computer power supply industry has build quality good enough to last 10-15 years... 20+ for this one wouldn't shock me
  • very good 3.3V regulation
  • mythic 5V and 12V regulation
  • way better than excellent ripple suppression
  • fully modular

The Bad:

  • I'm out of paper towels

The Mediocre:

  • exclusivity brings high prices relative to better performing... but not better built... competition
  • a little lacking in accessories

Discuss the Cooler Master Masterwatt Maker 1200W MIJ in our forums here.


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