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Cooler Master Silent Pro 1200W Power Supply Review

Price: $269.99


Cooler Master has been producing a range of cooling products and accessories for the PC enthusiast market for over ten years now. Its main manufacturing plant in Taiwan carries ISO 9001 accreditation that demonstrates a certain commitment to quality, which is seen throughout its product range. Cooler Master has now gone global with two further manufacturing plants in China and offices worldwide. Its product range now includes CPU and chipset coolers, PC enclosures, power supplies, case fans, and accessories that include products from laptop coolers to high performance coolant.

Most PC enthusiasts will be aware of Cooler Master's highly regarded PC enclosures - the HAF 932 or CM 690 being two fine examples. However, this time around, OCC will be looking at one of its power supplies, the Cooler Master Silent Pro Gold 1200W. This will be the first Cooler Master power supply I have looked at for OCC and if I’m being totally honest, I’ve always regarded its power supplies as good, but not quite up there with the likes of Corsair, Thermaltake, PC Power & Cooling, and other top brands. Nevertheless, its reputation does seem to have improved dramatically of late. Let’s put the Cooler Master Silent Pro Gold 1200W through its paces and see how well it performs.

Closer Look:

The packaging of the Cooler Master Silent Pro 1200W, with its gold and black theme, is quite striking. The lid of the box is metallic gold in appearance with the power supply model and wattage along with Cooler Master and 80 Plus Gold logos effectively displayed in black text. The base of the box carries all the important stuff, which includes the power supply specification, an output specification table, graphs to illustrate the fan noise levels and efficiency, and logos of all the agency approvals. The base also describes some of the patented technology used in the Cooler Master Silent Pro Gold 1200W, which includes HTT, Hyper Path and Hybrid Transformer, all illustrated with a small graphic and brief explanatory paragraph.












The identical front and rear panels of the box are this time in black with gold text and carry the same information as the top, with the addition of NVIDIA SLI Ready and five year warranty logos.


The end panels carry a Cooler Master logo with power supply wattage, the short sentence “Silence is Golden”, the model number, and an invitation to visit the Cooler Master website for more information in several different languages; so many different languages - eighteen in all - illustrating Cooler Master products' global availability.



Lift the lid and you'll find that foam encases the power supply with room to the right for the accessories neatly stored in a gold cardboard enclosure. Remove the foam cover and the power supply sits protected in the middle of the box with the captive cable set stored at the opposite end to the accessories.



The power supply is enclosed in a plastic bag along with the full set of accessories, which include a sleeved user manual, UK power cord, power supply mounting screws, and modular cable bag bearing the Silent Pro Gold logo.



The Cooler Master Silent Pro Gold 1200W power supply sits well protected at the center of the box and comes with an adequate set of accessories, although a few cable ties would have been welcome. Nevertheless, this is all you need for a successful installation, so let’s move on.

  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specification & Features
  4. Testing: DC Voltage Load Regulation
  5. Testing: Efficiency, Power Factor & DC Quality
  6. Testing: Temperature, Noise Level & Fan Speed
  7. Conclusion
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