Sinrace Power Supply Technology (Shenzhen) Co., Ltd.

There are three advices for you purchasing a better new power supply, they are as dimensions,brand & reliability,and price.

1) Dimensions:

Before anything else, consider the physical requirements you will have to meet in order to mount your power supply unit to your case.  People who overlook this requirement can sometimes purchase a unit that is either too big or too small for its housing.  As far as the dimensions are concerned, ensure that the width, length, and height of the power supply unit you are purchasing will fit those of your case enclosure.  The best bet here would be to purchase a unit which is nearly identical to the one you are looking to replace or, if setting up a new system, looking at your case manual for help with specifications. 

2) Brand & Reliability

Nobody wants a power supply that will die in a few months so it is important to know and understand the history of the manufacturer you select.A good way to obtain reviews of a particular power supply brand/model is to search on Google and see if other people have had problems with the unit.And  good way to look at the reliability of a unit is to look for certification from your processor company

3) Price

If you have classification, then cost is indeed an important consideration.  Why pay for functionality that may be outdated by the time you would ever utilize it?  We suggest you that  find a range of units that will satisfy your need and purchase the one that you can best afford.  This doesn't mean seeking out the lowest priced unit without regard to quality.  Nor does this mean buying the best and most expensive unit that you can find.  It simply says to make your best educated decision after considering all the factors that come into the purchase - including how much you will be spending - and choosing the best unit for your budget.