Cooler Master Silent Pro M 500W Power Supply Review

[ad#review985-top]Cooler Master’s power supplies are stable, intelligently designed, and efficient, and now Cooler Master adds silent to the mix with its Silent Pro M line. The 500, 600, and 700 watt units are designed to provide stable power as quietly as possible, while still maintaining the 80% efficiency required for the 80PLUS certification. Today we are taking a look at the 500W version in this review. Read on to check it out!


Robust Design
– High quality components including Japanese made capacitors
– MTBF greater than 100,000 hrs
– Certified for OVP/OCP/OPP/OTP/SCP

Energy Efficient

– 80 Plus compliant with over 85% efficiency
– Compliance with Energy Star, RoHS and Blue Angel requirements

Silent Design

– Unique combination of copper plates with aluminum heat sinks to efficiently cool
– Super silent operation with intelligent 135mm fan speed control
– Silicon shock absorption rubber pads around the edges of the power supply

Easy Cable Management

– Flat cable design for easy cable management
– Modularized cable design to eliminate clutter and improve airflow inside the chassis
– Simply unplug the cables when they are no longer needed
– Two 6+2 pin PCI-E connectors to support various graphic card setups

– Five 4 pin peripheral connectors and up to nine SATA connectors to support all the components you’ll need


Model RS-500-AMBA-D3
Type ATX 12V 2.3 / SSI EPS 12V V2.91
Dimension 150(W) x 86(H) x 150(L) (mm) 5.9 X 3.3 X 5.9 (in)
Input Voltage 90~264V (Auto Range)
Input Current 8A@115Vac,4A@230Vac
Input Frequency Range 47~63 Hz
PFC Active PFC (>0.9)
Power Good Signal 100~500ms
Hold Up Time >17ms
Efficiency 85% Typically
MTBF >100,000hrs
Output Capacity 500W
Max. Output Capacity 620W
Operation Temperature 0~40 C (Nominal Input Voltage)
Regulatory NEMKO/TUV/CE/GOST/C-tick/UL/FCC
Fan 135mm ultra silent fan
Certification 80 Plus
Connector M/B 20+4 Pin Connector x 1
CPU 4+4 Pin x 1
PCI-E 6+2 Pin x 2
4 Pin Peripheral x 5
SATA x 6
4 Pin Floppy x 1
Warranty 5 years


The packaging is a jewelry box style box with a thin wrapper hold it together. A picture of the unit, as well as a butterfly is on the front. Apparently butterflies mean “quiet” now.

The rear shows the aforementioned features and specifications, as well as some corner shots of the unit and a graph of its efficiency.

Cooler Master Silent Pro M 500W Power Suppy Cooler Master Silent Pro M 500W Power Suppy

Included in the packaging is the PSU, a CD with a manual, a power cable, a printed quick start, a warranty card, the modular cables, and two rubber vibration dampeners.

Cooler Master Silent Pro M 500W Power Suppy Cooler Master Silent Pro M 500W Power Suppy


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