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Cooler Master Silent Pro M2 1000W

The packaging of the newer series looks ordinary:

Instead of the unfolding package we now have a standard box without a wrapper or a carry handle.

The accessories now only include the bare minimum: mounting screws, a mains cord and a user manual.

Exterior Design

The newer series is simpler and more conventional in its exterior design. The selection of connectors has changed, too.

As you can see, the out-of-box sample of the PSU turned out to have a stained and loosely fitted faceplate above the modular connectors. This small defect didn't affect its operation, though.

The vent grid on the back doesn't bulge anymore and there's no Cooler Master emblem on the bottom panel. There’s a specifications table instead of the emblem on the new PSU.

Overall, the appearance and accessories of the Silent Pro M2 1000W are indicative of the manufacturer's desire to cut the manufacturing cost. We don't mind as long as this desire doesn't lead to a worsening in the product’s technical properties.

Circuit Design

The fingered heatsinks betray the actual maker of this PSU despite Cooler Master’s branding. It is unmistakably an Enhance.

The basic functionality has remained the same notwithstanding the different platform: active PFC and no dedicated voltage regulation. The PSU doesn’t have such advanced features as DC-DC converters or an additional choke to regulate the +5V voltage.

The component density is higher compared to the predecessor and we cannot read the marking on the controller chips installed on the broad daughter card behind the modular connectors.

The only chip we could identify was the standby PWM-controller A6062H. It’s located on the main PCB next to the standby voltage converter.

There are different brands of capacitors at the output. Well-reputed Teapo components stand next to less renowned Taicon ones. Taicon doesn’t have a good reputation despite the “Nichicon Family” reference you can see at the manufacturer’s website.

Cable and Connectors

The Silent Pro M2 1000W is equipped with the following cables and connectors:

  • Mainboard cable with a 20+4-pin connector (55 cm)
  • Two CPU power cables with 8-pin connectors (60 and 61 cm)
  • Three connectors for graphics card cables
  • Five connectors for peripheral power cables

Included with the PSU are:

  • Three graphics card cables with one 8-pin and one 6+2-pin connector on each (65+10 cm)
  • One cable with three PATA power connectors (50+11+10 cm)
  • One cable with two PATA power connectors and one floppy-drive plug (76+10+11 cm)
  • Two cables with four SATA power connectors on each (50+10+10+10 cm)
  • One cable with three SATA power connectors (51+16+16 cm)

Oddly enough, our sample of the PSU comes with a SATA power cable that has only three connectors with increased spacing between them whereas the Cooler Master website talks about a total of 12 SATA connectors (our cables have only 11). By the way, the 850W model in this series comes with a SATA power cable with four connectors and increased length (76+10+10+10 cm) instead of the last cable in the list above.

As for the selection of connectors and cables we have here, the downsides of the older model have been corrected but in a rather inappropriate way.

There are six power connectors for graphics cards now, with no splitters in the box, which means that you can still power up to three graphics cards with one 8-pin and one 6-pin connector each. The problem is that the Radeon HD 7970 is the only top-performance single-GPU card that has this configuration of power connectors whereas Nvidia's GeForce GTX 600 series and AMD's other HD 7800 and HD 7900 models usually come with two 6-pin connectors. So, you can't power even two such cards without adapters because three out of the six connectors are solid 8-pin things.

The connectors on the CPU power cables are now solid 8-pin ones, too, so you’re going to have problems powering a mainboard with a 4-pin CPU power connector. These cables have got shorter and can't be hidden behind the mainboard in some large system cases with a bottom PSU bay.

So, the cable system is inferior to the older model’s, although it is quite satisfactory for a modern PSU except for the inadequate selection of graphics card connectors.

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