Computer Power Supplies

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Part of the video series: How to Build a Custom PC

Summary: Learn how to choose computer power supplies for building a custom pc in this free instructional video.

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By Stephanie Haworth
eHow Presenter

Contact: www.claytoncomputer.com

Stephanie is a Comp TIA A Certified computer technician who works for Clayton Computer (http://www.claytoncomputer.com) in St. Louis, MO.read more

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tornadokat said

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on 8/2/2008 I'm sorry to say, but this entire series is too inadequate to teach a beginner how to properly build a PC. For example, this clip on power supplies mentions nothing about what determines if a power supply is good or bad quality, what problems might occur from using a poor quality power supply, how power supplies vary in efficiency which affects how much electricity they waste, the benefit of passive or active PFC, etc. When you say bigger is better some people might actually think they need a physically larger unit, not "bigger" as in higher rated wattage.

Video Transcript

" Hi! My name is Stephanie and I’m here on behalf of expertvillage.com. Please visit our web site at www.clickincomputer.com. The most important and the most replaced part of the computer is the power supply… This is the part on that a lot of people want to cut costs on, but this is the part that supplies power to your entire computer. Generally, you are going to want at least a 400 Watt power supply to power all of the components in the computer, but bigger is by far better than smaller in this case, also you need to check compatibility of the power supply. If you have a serial ATA drive, usually it will accept both Molex and SATA connections. The Molex being the standard four-pin plug. Your motherboard will come with either a 20 or 24-pin plug. So it is best to get one with a 24-pin connector. Pentium IV also requires a four-pin 12 V plug for extra power. "

eHow Article: Computer Power Supplies