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Cooler Master Masterwatt Maker 1200W MIJ PSU Review

Last updated on January 24th, 2018 at 05:45 pm

The Cooler Master Masterwatt Maker 1200W MIJ is a serious looking industrial style slab measuring 224 mm (L) x 150 mm (W) x 86 mm (H). The finishing is simply beautiful, although it does attract fingerprints somewhat easily. Paint work is reassuringly deep, and a cleaning cloth is recommended.

Did I mention that it weighs an absolute ton? I have no scales here, but Cooler Master quote the gross weight (box and all accessories at 8.96kg) and the net weight of the power supply itself at 4.84kg. Yes that’s almost 5 kgs for the power supply alone. Insane.

The Cooler master logo sits centerstage in front of the large cooling fan underneath. We will take a closer look at the fan later in the review when we crack the unit open.

One side of the unit is home to the venting panel, a power connector and a power cable.

The modular panel is cleanly laid out, with the various sizes of cable connector impossible to slot into the wrong ports. As such, there Cooler Master didn’t feel the name to print names of various connectors here. We see no need either.

Cooler Master Masterwatt Maker 1200W MIJ
DC Output
+3.3V
+5V
+12V
-12V
+5Vsb
Max Output
25A
25A
100A
0.5A
3.5A
Total Power 130W 1200W 6W 17.5W
1200W

The single +12V rail is able to deliver 100 amps which is plenty for high end multi card SLI or Crossfire system configurations.

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