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The 135mm fan in the Silent Pro is manufactured by Yong Lin Tech and is model number DFS132512M. This fan is rated to generate a maximum of 82CFM with a noise rating of 37 dBa. We doubt CoolerMaster will be pushing this close to full speed, but it seems to be a good choice as the airflow ratings are high.
The insides are quite neat with only a couple of wires leading to the modular backplate that haven't been kept together. The unit has clearly been designed with a low profile ethic in mind, allowing for the huge ‘fin style' heatsinks to cover the entire surface area, directly under the airflow of the 135mm fan above them.
The transient filtering stage is composed of two Y capacitors and two X capacitors with an X capacitor after the rectifying stage. This is well in excess of the minimum required and we are off to a very good start indeed. The power supply uses a BU1506 rectifying bridge which can handle up to 15A at 85c with the heatsink system Cooler Master are using.
Two low profile capacitors are used in this unit. Cooler Master are using two 270 uf x 420 V capacitors in parallel.
This power supply is using these two electrolytic capacitors to filter the output from the active PFC circuit. We would assume they have opted for two smaller units to help reduce physical space and to suit the low profile design of the power supply. We also noticed five Schottky rectifiers on the secondary stage, three of which are handling the 12V output. The outputs are controlled by an integrated PS223 circuit which supports under voltage, over voltage, over current and over temperature. As the image above shows, secondary capacitors are manufactured by Teapo.
Cant really knock that for the price, I love a silent PSU, some of the ones ive bought in the past have been loud as hell.
Very nice looking little PSU and more practical for most people. Ideal for media center, decent efficiency at lowist ouput and no noise.
Coolermaster make a decent little PSU, not in the same league as the new corsair stuff, but more than capable of giving enermax a run for their money.
efficiency is really good for the lowest rated cert.
My friend bought this last month for £90, he will be slightly pissed off 🙂 its a very quiet PSU and their naming is really honest. I like Coolermaster,
ideal for my next media build – might even drop a bit more by christmas !
really good value for money on the noise front alone.
Very good buy indeed. I had a coolermaster PSU before and I think its still working, its about 7 years old and very dusty ! well worth the money
I would buy this for a media center, but im aiming to pick up the 750W corsair unit which was reviewed here last week.
I find the internal design of this unit particularly interesting, the low profile concept with multiple capacitors.