Calculating Required PSU Wattage for PC build

The eXtreme Power Supply Calculator” web page is an online PSU calculator free to use for personal and non commercial use. It is great for those who like to build their own computers, whether it be a gaming system, HTPC/Media system or just a basic internet browsing or word processing PC.

Have you ever wondered whether your computer has an adequate power supply to run all your components? Have you questioned whether that computer upgrade you’re planning will run properly using your current older power supply that is already installed into you system. Will your new components require new connectors such pci-express or sata connectors vs older systems that may be agp (video cards), ide and molex based using older mechanical drives.

Many people may not even realize that your PSU (power supply unit) is one of your most critical components. Once it goes down, along with it can go many other components. Today for most desktop systems a 500 watt power supply will normally suffice. This would power a dual/quad core processor , dvd/rw drive, solid state drive, single mechanical hard drive and a 1GB pci-e based video card along with 2-3 case fans and CPU fan plus power the motherboard w 8gb DDR2/3 running stock rated speeds

However as computer builds become more complex with dual graphics cards, multiple hard drives, dedicated All In One (AIO) liquid coolers for processors or custom water cooling components along with multiple case fans more power is required. Enthusiasts who like to overclock components pushing their hardware further to extract ever ounce of performance also require a buffer within the power supply to offset the added power draw.

I have faithfully used this software for a number of years for all my computer builds for both business and personal use, it has never let me down and is very simple to use. The page layout is great and it has every add on component one can think of once you understand how to use it.

The eXtreme Power Supply Calculator contains 1800+ CPUs including latest processors from Intel and AMD, latest graphics cards from NVIDIA and AMD, DDR4 RAM, Bitcoin Mining Modules and more! The recommended total Power Supply Wattage gives you a general idea on what to look for BUT it is NOT a crucial factor in power supply selection! Total Amperage Available on the +12V Rail(s) is the most important, followed by the +5V amperage and then the +3.3V amperage.

Since I am in the process of adding a second XFX R290 4GB pci-e graphics card to my system along with a new processor I wanted to make sure that my current 850 watt PSU is sufficient. Extreme PSU calculator has put my fears to rest. Take some time and check it out and happy gaming to all:)

Author – Cisco Kidd


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