Legit Power Supply Reviews
Cooler Master Silent Pro M2 1500W PSU Review
|Date:||Mon, Oct 01, 2012 - 12:00 AM|
|Written By:||Emmanouil Filladitakis -|
A look inside
A rebranded Young Lin Tech 135mm fan is installed inside the Silent Pro M2 1500W unit. Strangely, the DFS132512H is a 1700RPM with a sleeve bearing; Cooler Master’s graphs indicate that this fan could reach up to 2600RPM, which it surely (and thankfully) cannot.
Enhance is the OEM behind most of Cooler Master’s high end power supplies and this unit is no exception. The Silent Pro M2 1500W is based on an upgraded design which Enhance first implemented back in 2009. Curiously, the initial design was 80Plus Silver certified as well and performed quite well, so we cannot help but wonder what the company improved.
The filtering stage starts hard at the back of the A/C receptacle, with two Y and two X capacitors. Two more X capacitors and two large filtering coils can be found on the main PCB, alongside surge suppressing metal-oxide varistors. Beneath the massive heatsinks of the APFC transistors, the input bridge rectifier is installed on its own dedicated heatsink.
Not one, not two but four primary capacitors are installed on the primary side of this unit, next to a massive APFC coil. Each capacitor is rated for 270μF/420V, so the total capacitance is actually not very large. The capacitors are supplied by Matsushita.
Most of the changes from the previous design have been taking place on the secondary side of the unit. Enhance replaced the two small transformers with a massive single transformer handling the entirety of the load. The heatsinks have been replaced by smaller but pure copper heatsinks and DC to DC conversion circuits are now present. Electrolytic capacitors are supplied by Nippon Chemi-Con and Teapo, both of which are highly reputable manufacturers.
Next Page - PSU Test Setup
Page 1 - Cooler Master Silent Pro M2 1500W PSU Introduction
Page 2 - Unboxing the power supply
Page 3 - External Design
Page 4 - A look inside
Page 5 - PSU Test Setup
Page 6 - Testing results (Regulation & Ripple)
Page 7 - Testing results (Efficiency, Noise & Thermal)
Page 8 - Cooler Master Silent Pro M2 1500W PSU Conclusion