Will this PSU do the job for my build? SeaSonic M12II 620 Bronze 620W

francisbojczuk · Jul 24, 2013

Here are the specs I'm going for:

Apevia x-trooper
Asus ROG Crosshair V Formula-z
AMD FX-8350 (Overclocking it to 5GHz, I need to use an additional 4 pin power connector with the 8 pin)
2x GTX 660
1x GTX 640 for PhysX
16GB Patriot 1600mhz ram
1tb 7200rpm
64gb ssd
Rasa RX240 Liquid cooling kit
Aerocool V12XT LCD Large Touch Screen Fan Controller

So... Will this PSU do the job or not? Can you recommend a fairly cheap psu that I could use?

Dark Lord of Tech · Jul 24, 2013

I would go to 750w

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 750W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($77.99 @ NCIX US)
Total: $77.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-24 12:12 EDT-0400)

francisbojczuk · Jul 24, 2013

So that'll support all 3 gpus and the additional 4pin connector?

Dark Lord of Tech · Jul 24, 2013

XFX 750W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply

PCI-Express Connector
4 x 6+2-Pin

You can also use molex to PCIE to power the other card.

francisbojczuk · Jul 24, 2013

Wait, so the pci-express connector will be used as the 4 pin connector to provide additional power to my cpu?

Dark Lord of Tech · Jul 24, 2013

How many total PCIE connections do you need for the cards?

francisbojczuk · Jul 24, 2013

Well, per card it's only 1 6+2 pin.
So it's three.
But I need a 4 pin and an 8 pin for my cpu.

Dark Lord of Tech · Jul 24, 2013

Fixed:
1 x 20+4pin Main Connector
2 x 6+2pin PCI-E
1 x 4+4pin ATX12V / EPS12V < can be used as 8

Modular:
2 x 6+2pin PCI-E < can be used as 6
1 x 8pin EPS 12V
1 x FDD
Up to 5 x Peripheral
Up to 8 x SATA

maddogfargo · Jul 24, 2013

The 4 and 8 pin CPU connectors are seperate from the PCIe connectors.

Also, 750w minimum recommended for this setup. You will be ~675-700w at load. When a PSU is pushed near its limit efficiency drops a little and the cooling fan usually comes on full blast. I suggest a 850w-950w or better if you want better efficiency and quieter operation.

Dark Lord of Tech · Jul 24, 2013

I agree with that ^ now that I calculate , it would work but be a little close.

Dark Lord of Tech · Jul 24, 2013

Get this one:Has what you need.

$139.99

http://www.newegg.com/Product/Product.aspx?Item=N82E16817703028

PC Power and Cooling Silencer Mk II 950W High Performance 80PLUS Silver SLI CrossFire Intel Haswell Ready Power Supply

PCI-Express Connector
3 x 6-Pin, 3 x 6+2-Pin

1 x Main connector (20+4Pin)
1 x 8-Pin (4+4) CPU
1 x 12V (8-Pin)
7 x Peripheral
12 x SATA
1 x Floppy
6 x PCI-E

francisbojczuk · Jul 24, 2013

Thanks so much for your help

.
I'm buying that

Dark Lord of Tech · Jul 24, 2013

Glad to help!!!!!!!!

Dark Lord of Tech · Jul 24, 2013

Don't forget to choose a Best Solution when you open a question thread , the forum members will appreciate that.Thanks for posting on the forum.

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Will this PSU do the job for my build? SeaSonic M12II 620 Bronze 620W

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