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SilenX Effizio EFZ-120HA5 Review



Having never had the chance to play with, or even see in person, a cooler by SilenX/PCCooler, I wasn't sure what to expect out of this budget-friendly heatsink. I always try to keep judgments to a minimum because I might come out impressed with how a cooler performs. Although the mounting system is a little intimidating with its large amount of parts, it's not unlike some other mountings I have dealt with in the past. After getting it together, I was pleased to find that it wasn't as tedious as I anticipated. In terms of performance, at only around $33 it seems worth the pennies and would probably cool even better with an additional fan or at least one that moves a little more air.

Comparing it to the similarly-priced Cooler Master Hyper 212 Evo, it's close in performance everywhere except under overclocked load where the Hyper 212 Evo pulls ahead by a couple of degrees. Across the whole spectrum, it seems like it lays towards the bottom end of grading but it's important to remember that for a sub-$40 cooler, it significantly outperforms the stock Intel cooler in every test. Additionally, under an overclocked load it still hangs tightly within the comfortable range of the Intel i7 2600k at 70°C — overclocking on with this cooler is still completely feasible. Aside from the more "elaborate" mounting setup, my only gripe with the rest of the heatsink is the rubber mounting tabs for the fan. I have never been a fan of these tabs because they can be tough to "clip in" on the underside of the heatsink if clearance is an issue; it took a couple of blind tries to get one of them hooked in the back.

For a manufacturer whose products I've never owned and one that's lower on my "thought list", I am pleased with how it performed here. The cooler is quiet and is of good quality, the installation manual is clear, and it provides decent temperatures for just above the $30 mark. The SilenX cooler might be hard to recommend over something like the Hyper 212 Evo, the reigning budget champion, but it performs well considering it is a bit different from the competition.



  • Price
  • Quiet
  • Push-pull capability



  • A lot of small pieces in the mounting system
  • Rubber fan tabs may be difficult to mount for some users
OCC Silver

  1. Introduction & Closer Look
  2. Closer Look: Continued
  3. Specifications & Features
  4. Testing: Setup & Overclocking
  5. Conclusion
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