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Reviews » Power Supplies

Corsair HX520W Review

Price: $114.99


Are you looking for a new power supply for your PC or possibly considering putting together a new one? Which power supply do you choose?

Looking at the variety of power supplies available today can be a little daunting, especially for those with little experience. One thing can be said with some certainty, a power supply of around 500-600 watts will comfortably run all but the most powerful of rigs. Don’t skimp on the power supply; if finances permit, go for a good quality branded product. Find out how many watts your system is likely to consume (the Internet is your friend) and add fifty percent, double it if you are considering overclocking. (I'm sure not everybody will agree but that's my slant on power supply requirements). Once you have an idea of how much power you are likely to need, look at some of the hundreds of power supply reviews available on sites like OCC, they will give you all the information you are likely to need and more. Another good source of useful information is the signatures of forum members on sites like OCC, look for the members with powerful systems who like to push them and have a look at the power supplies they have installed. I guarantee that you won't find many duds there!  Alternatively, if you're not sure what to go for, why not sign up to OCC and ask for advice?

Today we are going to look at a 500-600 watt power supply, the Corsair HX520W, at 520W it will comfortably run most rigs. Corsair, probably known more for its high performance memory, also offer power supplies aimed at the enthusiasts market. Let’s see how it performs.

"The Corsair HX520W power supply is the most versatile and robust power supply available in the market today. Utilizing superior triple +12V power rails and a whisper quiet double ball bearing 120 mm fan, the HX520W is ready for tomorrows power hungry components. The HX520W conforms to the latest ATX12V V2.2/EPS12V 2.91 and RoHS standards, and delivers unparalleled continuous power to all of your critical system components reliably and safely. Corsair's easily detachable and flexible modular cables allow you to use only the cables you need and enhance airflow inside your system. The HX520W is backed with a five year warranty and Corsair's legendary customer service."

Closer Look:

The packaging of the HX520W uses a basic black and yellow theme and the layout is very much in line with the rest of the Corsair power supply range. The text is in English, French and German and gives you all the information you are likely to need when hunting down a power supply to suit your needs. The top of the box lists some of the more important features like how much current is available on the 12V rails (40A), high efficiency, silent operation, etc. The underside gives you a list of "Core Features," the specification chart and a list of awards from various websites.








Side panel information includes package contents, a list of the modular cables included and a short paragraph telling you how good the HX520W is (we will find out later) in English, French and German.



Lift the lid and you will find the user manual neatly placed atop a foam enclosed power supply. Tucked neatly down the side is the power chord and black canvas type bag containing all the modular cables. The bag for the modular cables is a welcome addition that more and more manufacturers like to include.



Also included are a bag of cable ties to assist you in your cable managements efforts and a bag of four power supply mounting screws.



All in all a well packaged unit with a good user manual and accessories. Let's have a closer look at the power supply.

  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specification & Features
  4. Testing: DC Voltage Load Regulation At 110VAC & 230VAC
  5. Testing: Efficiency, Power Factor & DC Quality
  6. Temperature, Noise Level & Fan Speed
  7. Conclusion
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