Cooler Master Silent Pro M 850 W Power Supply Review

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Introduction

Silent Pro M is the latest power supply series from Cooler Master, featuring modular cabling system and single-rail design, with 500 W, 600 W, 700 W, 850 W and 1000 W models available. Today we are going to test the 850 W version from this series (RS-850-AMBA-J3), which is scheduled to reach the market by the end of this month, and see if it will survive our tests.

Cooler Master Silent Pro M 850 W power supplyFigure 1: Cooler Master Silent Pro M 850 W power supply.

Cooler Master Silent Pro M 850 W power supplyFigure 2: Cooler Master Silent Pro M 850 W power supply.

Silent Pro M 850 W is 6 ½” (16.5 cm) deep, using a 140 mm fan on its bottom and featuring active PFC, of course. As mentioned Silent Pro M 850 W has a modular cabling system, but the motherboard main cable (22 7/8”/58 cm) and two cables with two ATX12V connectors (that together form an EPS12V connector) each (25 ½”/65 cm) come straight from the power supply housing. These three cables have a nylon sleeving that comes from inside the power supply.

The power supply comes with the following cables on its modular cabling system:

  • Six cables with one six/eight-pin auxiliary power connector for video cards each (19 ½”/49.5 cm).
  • One cable with four SATA power connectors each (19 ¾”/50 cm to first connector, 4”/10 cm between connectors).
  • One cable with three SATA power connectors each (19 ¾”/50 cm to first connector, 6”/15 cm between connectors).
  • One cable with two SATA power connectors each (19 ¾”/50 cm to first connector, 4”/10 cm between connectors).
  • One cable with three standard peripheral power connectors and one floppy disk drive power connector (15 ½”/39 cm to first connector, 7 7/8”/20 cm between connectors).
  • One cable with three standard peripheral power connectors (15 ½”/39 cm to first connector, 7 7/8”/20 cm between connectors).

All cables use 18 AWG wires with the cables from the modular cabling system being flat.

Cooler Master Silent Pro M 850 W power supplyFigure 3: Cables.

The number of cables is perfect for an 850 W product, and the highlight here is the presence of six independent cables using six/eight-pin connectors for video cards, allowing you to install up to three very high-end video cards on your system without the need of using any kind of adapter.

Now let’s take an in-depth look inside this power supply.

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Author: Gabriel Torres

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.

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