I am upgrading my ASUS HD 5770 graphics card to a EVGA GTX 760 and my Ultra LS 500 PSU (The lower limit of wattage NVidia says it needs) only has 28 amps on the +12v rail, while the graphics card requires at least 30.
So I am trying to determine what PSU I should get.
Here is a list of my major components as they stand now
CPU i3 550 Motherboard Gigabyte H55M Ram 1333MHZ PC3 - 10600 DiMM (1 stick 4 Gb) HDD Seagate 7200/16MB/Sata Drive CD Lite On 24x
(Sorry I didn't use the PCPartPicker.com but many of my older components were not on there)
When I filled out an online PSU calculator the result suggested a 430 corsair PSU for $50 with $20 MIR.
CORSAIR CXM series CX430M 430W ATX12V v2.3 80 PLUS BRONZE Certified Modular Active PFC Power Supply
Which has the correct +12 rail amperage but is far below the suggested wattage by NVidia.
I was looking at this Thermaltake PSU for $45 with $20 MIR
Thermaltake TR2 TR-700 700W ATX 12V V2.3 & EPS 12V SLI Ready CrossFire Ready Active PFC Power Supply
Is the Thermaltake 700 going to be a good PSU for me?
I do overclock my CPU and in the future I am planning on upgrading my motherboard and CPU so I anticipate a larger PSU would be needed.
it depends on what you plan to do with your future use of your pc a good branded 600Watt psu will be plenty although to get more long term use (you may want to sli or upgrade whole system a couple of years down the road) I would recommend a good branded 750watt upwards, believe when people say don't skimp-out on the quality of your psu.