Coolermaster Silent Pro M700W power supply

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April 17, 2009 by Mike Chin

Silent Pro M700W
700W ATX12V Power Supply
Market Price

Coolermaster is a long-established brand in cases, associated originally with high-end aluminum designs. Today, the brand's product range includes heatsinks, cases of both aluminum and/or steel, as well as power supplies and many other computer peripherals. It is one of the biggest case brands in the retail market. Four separate power supply series are offered: Real Power, Silent Pro, iGreen, and eXtreme Power. The M700W is the top of the Silent Pro range; the other models are 500W and 600W rated.

At first glance, the box seems ordinary, but it's not.

The full color sleeve comes off to reveal a rather unusual box design.

The top portion hinges out into two sections. The PSU seems well protected inside. The CD contains a PDF user's manual. Lighter and cheaper than paper, perhaps. Note the black silicone rubber graskets. More on them later.


Coolermaster Silent Pro M700W Feature Highlights (from the Coolermaster web site)
The single rail is with up to 50A on the 12V rail, delivers where it counts and won't have any problems powering even the most demanding SLI
Flat modularized cable design to eliminate clutter and improve airflow inside the chassis
Energy efficient design that meets 80 Plus requirements 80 Plus certified is not exceptional now. Coolermaster does have three models in both Bronze and Silver 80 Plus categories, but this model is not one of them.
Two 6+2 pin PCI-e connectors for multiple graphic card set up Standard for a 700W model.
Protection: OVP / UVP / OCP / OPP /OTP / SCP / OLP
Fairly standard.
Compliant with Intel standard Intel ATX12V V2.3 & SSI EPS 12V V2.91 OK
Green power design that meets energy star, blue angel requirements Expected in a high-end PSU.
Super silent operation with intelligent 135mm fan speed control
We'll find out.
Copper + aluminum heat sink design which results in more efficient heat transfer and dissipation.
OK. It's a difficult claim to confirm.
Japanese-made capacitors .
Presumably the high quality ones.
Unique silicon pad eliminate the vibration between PSU and chassis It's an interesting accessory, adds to the "Silent" marketing.


The specifications table at the Coolermaster web site was rather garbled, the left and right column entries often no bearing any relation to each other. The table below is what I believe Coolermaster intended.

Model RS-700-AMBA-D3
Type Intel ATX12V V2.3 & SSI EPS 12V V2.91
Dimensions 150(W) x 86(H) x 150(L) (mm)
Input Voltage 90~264V (Auto Range)
Input Current [email protected], [email protected]
Input Frequency 47~63Hz
PFC Active PFC >0.9
Power Good Signal 100~500ms
Hold Up Time >17ms
Efficiency 85% Typically
MTBF >100,000hrs
Output Capacity 700W
Operation Temperature 0~40¬įC (Nominal Input Voltage)
Fan NEMKO / TUV / CE / GOST / C-tick / / UL / FCC
Certification 135mm ultra silent fan
Connector SLI / 80 Plus

Output power details are shown in the label on the PSU itself.

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