Best Gpu for a 500w Powersupply?

T1M0N6 · Apr 13, 2014

Hi, I have an i5 4670 processor and 8gb of ram, but i want to upgrade my graphics card ( because its currently Hd 7750.) I am most likely going to buy an R9 270x, because ive heard that it is the best graphics card on a 500w psu. Is this true? What is the best graphics card for a 500w powersupply? Thank you!

brarboy · Apr 13, 2014

it's not just 500 watts that your gpu depends upon, also the amps provided by +12V rail of the psu. If your power supply has more than 30A @+12V rail, the best gpu i would be picking up is GTX 760:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Video Card: Asus GeForce GTX 760 2GB Video Card ($249.99 @ Micro Center)
Total: $249.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-13 05:14 EDT-0400)

Else with at least 24A @+12V rail, you are good with R9 270x.

i7Baby · Apr 13, 2014

GTX 760 or R9 270 will work on a 500W PSU. The 270 is $180US and the 760 is $240. The 760 is about 15% better than the 270.

See: http://www.videocardbenchmark.net/high_end_gpus.html#

T1M0N6 · Apr 13, 2014

Im not sure what that means (sorry) but this is my exact pc case wit psu:
http://www.msy.com.au/qld/slackscreek/home/12640-thermaltake-versa-h21-ca-3b2-50m1na-00-usb30-black-mid-tower-case-with-500w-psu.html

Is that enough? Thanks!

rolli59 · Apr 13, 2014

This is the included PSU http://www.thermaltake.com.au/products-model.aspx?id=C_00002105 It is their most basic model and only has 1 x 6 pin PCIe power connector. With that unit I would max go to GTX660 or R9 270 that only need one 6 pin from the PSU.
Although the best course of action is to get a quality PSU and avoid this substandard TT unit.

T1M0N6 · Apr 15, 2014

So an R9 270x will work on my psu?

brarboy · Apr 15, 2014

T1M0N6 :

open your cabinet side panel and see the Power Supply sticker on your psu. Look for +12V column and what is the value written on it? And what is psu brand?

i7Baby · Apr 15, 2014

It'll be a pretty crappy PSU. I wouldn't want to load it too high. You want at least 24 Amps. The trouble with an in-built PSU is you get no data on it.

Aha I found it at: http://www.pccasegear.com/index.php?main_page=product_info&cPath=25_1081&products_id=26742 - 2 x 12V rails @15A - so it won't do.

T1M0N6 · Apr 16, 2014

Aww, thats a shame. :/ Any good cheap psus that you would recommend?

Thanks

Edit: Would this do fine?
http://www.msy.com.au/qld/slackscreek/pc-components/8948-shaw-evo-775max-gaming-psu.html

i7Baby · Apr 16, 2014

Good and cheap don't usually go together with PSUs. You need something with a single 12V rail (500W / 12V = 42A). Something like:

Corsair CX-500 - http://www.pccasegear.com/index.php?main_page=product_info&cPath=15_354&products_id=22421 or its Modular cousin
Silverstone Strider 500W - http://www.pccasegear.com/index.php?main_page=product_info&cPath=15_995&products_id=15319
Seasonic G550 - http://www.pccasegear.com/index.php?main_page=product_info&cPath=15_535&products_id=21502

T1M0N6 · Apr 16, 2014

Okay, looks good. Would this suffice?
http://www.msy.com.au/qld/slackscreek/pc-components/8579-antec-hcg-620-high-current-gamer-gaming-psu.html

or this:

http://www.msy.com.au/qld/slackscreek/pc-components/8578-antec-hcg-520-high-current-gamer-gaming-psu.html

i7Baby · Apr 16, 2014

The Antecs are OK - they're made by Seasonic. So both are OK

T1M0N6 · Apr 16, 2014

Thank you! Thats all that i need

Best answer goes to i7Baby

T1M0N6 · Apr 16, 2014

Wait! One more thing! Would this work fine? :http://www.msy.com.au/qld/slackscreek/pc-components/8826-thermaltake-oem-w03940-w0410na-500watt-psu.html

rolli59 · Apr 16, 2014

T1M0N6 :

No basically same as you had originally! It is only a 400watt constant power PSU!

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Best Gpu for a 500w Powersupply?

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