When searching for computer parts, one of the most important ones to look for is the power supply. The power supply is basically the heart of the machine, pumping electricity to the different components of your computer; to clarify, it is the part of the machine you plug into the wall socket or power strip. I had previously bought a PC Power and Cooling 470W (Watt) Silencer power supply for my old HP Pavilion a1440n that ran a BFG Technologies 7600GT in Summer of 2006; the 300W supply that came with the HP was not strong enough for the video card. The 470W is still running in my computer and has always been quiet during operation. For my new computer, I wanted one from the same maker except a much more powerful one. The PC Power and Cooling 750W power supply fit my needs.
There seem to be different versions of the power supply, but I can only tell a difference in color. They come in blue, red, and black versions, and I chose black because it fit my case color. I bought it for $79.99 with a mail-in rebate (originally $105.00) from newegg.com in November 2008.
The power supply is obviously large (8.6 x 10.8 x 4.2 inches), but I was more surprised by the cord that has all the connectors, which bridge the power supply to the inside components of the computer. The cord is much thicker in girth than the other power supply ones I have seen and is not as flexible due to its thickness. Imagine a ponytail that has so many strands that you cannot bend the base of the ponytail near the scalp because the diameter of the tail is so big. That is not a very good analogy, but it is the closest I can describe it. It is something to get used to when maneuvering the connectors to different places and not inherently a bad thing.
I cannot complain about its performance. The power supply operates on a single rail as opposed to multiple rails that some supplies favor. The single 12v rail pumps out 60A, or 60 amperes, which most people will not understand the significance of; it really is not important to know unless you buy a power supply that cannot handle a high end graphics card that requires a lot of energy.
It runs my computer as well as the 470W Silencer did for my HP desktop. My power supply powers a relatively new graphics card, a hard drive, a motherboard, a DVD drive, etc., and they all act without any problems. In case something does go wrong, there is a 5 year warranty to cover my losses.
The mail-in rebate is easy enough to complete. I have heard criticism of OCZ Technologies' (the company that bought PC Power and Cooling) rebate process not being honored in other online reviews, but they did give me my rebate check.
It also has a handy power switch button in the back. I sometimes use the button to turn off the power supply when I am gone for long periods of time, such as vacation, or if there is a thunderstorm nearby to avoid a power surge when I am not using it.
PC Power and Cooling power supplies tend to be one of the more expensive ones on the market. Luckily, I got mine when it was on sale and had a rebate attached to it. Most of the time, their 750W power supply costs between $100.00 and $150.00, at least from what I have seen. If you do buy one, try to get a deal on it. There are other reliable brands as well, but I have trusted this company so far and have not been disappointed.