The how much power does your computer use thread
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February 25, 2013, 10:48 AM
Join Date: Feb 2013
Location: Toronto, Canada
My System Specs
Originally Posted by
Thats power efficent for you. Crazy as it is but We are really starting to need less and less of the Big PSU's.
You grab an AX860i for example and thats probably the last PSU in 5 years you need to buy.
It's a common misconception that a system needs more power than it does, and most builds reflect this, partly in an abundance of caution. It's not harmful to over specify the PSU.
It was a great suggestion to ask for power meter readings, because it really is illuminating. And with a power meter reading, you can use it's PSU efficiency graph to see where you are with it, at idle and load.
Corsair has a power supply finder that I think is really useful:
Power Supply Finder
I've used it a bit, and now have a simple rule of thumb for sizing a PSU; "250W for each big gaming graphics card, and 250W for the rest of the system - even with overclocking. Newer gear uses even less power, and lowers the operating efficiency on an over-sized PSU.
I use a 650W PSU and run a single graphics card [GTX 560Ti 448 Cores].
Buckle up. The new WRX STi is here.
My System Specs
Maximus V GENE
Intel Core i7-2600K
Patriot Viper 3 1866 MHz
ASUS GTX 560Ti 448 Cores [triple-slot cooler]
Seagate 2x 250 GB SATA II drives in striping RAID
Corsair TX650 V2
military green Corsair Vengeance C70
ASUS DRW-24B1ST/BLK/B 24x
Samsung 245BW [24 in]
Win 7 Premium
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