450W, is it enough?

Kirra Fisher · Mar 10, 2014

Hey mates, I'm doing this build for my friend and we had to try to keep it at a budget. The power supply is at 450w and im planning to put another 760gtx in it. Specs below

CPU:i5 intel core (Intel Socket 1150)
GPU:gigabyte 760 gtx (adding another later)
Storage:WD black 1TB 3.5" hard drive
Samsung SSD EVO 120GB
PSU:RM-450w corsair
MOBO:Asus H87 PRO 1150 ATX
RAM:corsair vengeance (2x4G) DDR3 1600Mz

Can't get anything from newegg or amazon, live in Australia. heres the site im buying all the parts from:http://www.austin.net.au/

Spectre694 · Mar 10, 2014

No a 450w will not power a SLI 760. you will need more like a 600 to 800w someone else will know the exact number

Trave · Mar 10, 2014

With one gtx 760 yes a decent 450w is enough(depends in the 12v amperage) if your adding another in the future its a NO,so get a 650w instead of 450w so you will not waste any money..

verma1891 · Mar 10, 2014

A minimum 500W PSU with 30amps current on the 12v rail is recommended for the gtx 760. Here is a good budget PSU-
PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($79.00 @ PLE Computers)
Total: $79.00
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-11 01:12 EST+1100)

I also checked on your website. The corsair CX 500 is $85 there. This one I suggested is better, more wattage and cheaper.

verma1891 · Mar 10, 2014

Spectre694 :

600 to 800 is overkill for a single gtx 760

Kirra Fisher · Mar 10, 2014

Thanks everyone, i've always used corsair but there expensive in Australia. @Verma1891 are you sure about 2 760gtx being in SLI powered by a 500w PSU is ok? Trave and spectre694 say you need more power.

Spectre694 · Mar 10, 2014

verma1891 :

He said he was going to add a second for SLI

verma1891 · Mar 10, 2014

Kirra Fisher :

Sorry I didnt notice that you will be adding one more. 650W is recommended for 760SLI. Here is a good one-

Fully Modular/80+Gold/650W

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: EVGA SuperNOVA 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($135.00 @ PCCaseGear)
Total: $135.00
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-11 01:35 EST+1100)

Kirra Fisher · Mar 10, 2014

thanks guys, just one more question. A 760gtx needs 2 6-pin connecters right. So if im doing SLI with a 760 im gonna need 4 6-pin connecters. I can't exactly get the PSU that Verma recommended but i found a similar one but it only has 2 6-pin. Here is it: http://www.austin.net.au/shop-categories/psu/thermaltake-smartpower-650w-80plus-bronze.html

So does this mean I have to get one of the expensive ones?

Trave · Mar 10, 2014

Kirra Fisher :

The PSU that verma recommended have a 4 x 6+2-Pin so,no worries there.
Heres a better link with complete details http://www.newegg.com/Product/Product.aspx?Item=N82E16817438005

verma1891 · Mar 10, 2014

Kirra Fisher :

You can use the molex connector on the PSU to power up the second graphics card as long as your PSU is within its power limits.

Trave · Mar 10, 2014

verma1891 :

Kirra Fisher :

You can use the molex connector on the PSU to power up the second graphics card as long as your PSU is within its power limits.

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450W, is it enough?

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