Power Supply Calculator

If you’re building your own computer or are considering upgrading your existing PC, you need to make sure your power supply is adequate to handle the hardware that will be pulling from it. There are great power supply calculators on the Antec and Thermaltake websites that have virtually every possible configuration you will encounter on a motherboard. This tool will give you a general idea of the size of PSU you’ll need to power your computer. It’s probably a good idea to use that number as a minimum requirement and always get a power supply rated a little higher.

The power supply calculator will give you numerous options from CPU, fans, memory, video cards, hard drives, etc and based on your selection will calculate the amount of wattage necessary for those components. We ran several different configurations through the calculator and were always below or right at 400 Watts. If you are building a high-end machine for gaming, you might find you need a 500 Watt power supply.

The power supply calculator allows you to print it out, so you can configure several options and have a printed reference to use when buying your parts. Both Antec and Thermaltake are major brand names in the business with a good reputations. If you are building a machine, Antec and Thermaltake are models you should consider.