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Started by Geraldo Arvalo | | 5 answers
a 500W PSU good enough for two GTX 760s in SLI mode?
hi, is a 500W PSU good enough for two GTX 760s in SLI mode?
i am thinking of buying this Rosewill SilentNight-500 500W power supply.
my rig is going to have one 256GB SSD, maybe a water-cooled system like the Zalman Reserator and 2 non-SSD drives. based around the i7-4790S Intel chip. thanks!
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September 11, 2014 8:49:18 AM

500 is about the minimum that i would go for a single card setup. so it's a no-no for dual card. i mean, why skimp, you're buying 2 cards
September 11, 2014 8:32:52 AM

You would need a top tier 650w , but ideally you should go for good reliable 700-750w.

Made by the best Super Flower.

PCPartPicker part list / Price breakdown by merchant

Power Supply: Rosewill Capstone 650W 80+ Gold Certified ATX Power Supply ($59.99 @ Newegg)
Total: $59.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-09-11 11:34 EDT-0400

Or if you want 750w here's another Super Flower model.

PCPartPicker part list / Price breakdown by merchant

Power Supply: EVGA 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($68.54 @ Newegg)
Total: $68.54
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-09-11 11:35 EDT-0400

September 11, 2014 8:27:53 AM

I too would recommend at least a 650W, but that's usually for a single GPU solution. Looking at the official geforce website, they recommend atleast a 500 watts for a single GPU. I'd say 650 watts is pushing it a bit. Me I'd personally recommend a 750 watt PSU.

You can try a PSU calculator to help you get an estimate, although it isn't always correct.

http://www.extreme.outervision.com/psucalculatorlite.js...
September 11, 2014 8:22:15 AM

Hello Geraldo,

As a technical sales specialist for AVADIRECT, I would recommend going at least 650W. Ideally 750W if it's in your budget. More isn't always better, but when it comes to power supplies, this sentiment does actually ring true, and protects you against power issues in the future.

Thank you!

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