Power you say?

Ok, so the speed limit is only 100 kms in New Zealand but you want to own a car that can do three times that speed?


There nothing stopping someone purchasing that car, although you may get in some trouble if you were caught driving three times the speed limit.

That’s pretty much the same as far as Power Supply  Units (PSU) go in the wonderful world of IT, your PC may only need enough power, lets say 600 watts to power it’s components, yet you are free to put whatever power supply with as much grunt as you want in!

There are several important factors to consider when purchasing a new PSU, some more important than others, here are some great tips to consider….

  1. Run the specs through a Power Supply calculator

Websites such as http://outervision.com/power-supply-calculator offer a great service in getting the right power supply, by simply filling in details about the specs of the PC’s components.

  1. Look for 80 Plus!

A power supply’s efficiency rating is important because higher-efficiency units tend to have better components, waste less power, and generate less heat—all of which contribute to less fan noise. A power supply with an efficiency rating of 80 percent provides 80 percent of its rated wattage as power to your system, while losing the other 20 percent as heat.

Look for units with “80 Plus” certification.

(retrieved from http://www.pcworld.com/article/2025425/how-to-pick-the-best-pc-power-supply.html on 7/3/2016)

  1. Do your research!!

Getting the right power supply unit is as important as anything in a computer, do your research and find the correct power supply! A power supply failure can take the rest of your computer with it.


  1. Cabling

Fixed or modular cabling is the question, It’s up to you whether you want a PSU with fixed or modular cabling, as modular PSUs – with the ability to use only the cables you need, like Corsair’s RM series, pictured – are generally more expensive. But if you’ve got the cash in your budget, we’d suggest going modular.

It’s not only neater and easier to install a PSU with less cabling, but ultimately this will assist in keeping your PC running cool in the long run, and provide less surfaces for dust and other cruft to accumulate on.

(retrieved from http://www.pcauthority.com.au/Feature/356985,how-to-choose-the-right-power-supply-for-your-pc.aspx on 7/3/2016)



  1. Buy from a trusted seller.

This needs no explanation, always buy goods from trusted sellers to make sure your getting what you payed for and not some cheap reproduction product.


  1. Hardware compatibility

Make sure you purchase a power supply that fits in the power supply case in your computer!

In conclusion, it’s very important to get the right power supply unit for your computer just like its important to get the right engine for a drag car, you wouldn’t go and put a 4 cylinder engine out of a 1986 Toyota Corolla in your drag car would you!



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