Which is the better PSU for a Gigabyte 3X R9 290?

epson661 · Apr 14, 2014

Antec 550W Gold Rated PSU
http://www.falconcomputers.co.uk/antec/550-watt-true-power-80plus-gold-certified-psu.html
OR

Corsair CX750M Modular - 80 Plus PSU
http://www.falconcomputers.co.uk/corsair/750w-cxm-builder-modular-80-plus-bronze-psu---3-year-warranty.html

Or possibly a B700 or CM600 from cooler master? (However I heard these are really bad)

huskersforever · Apr 14, 2014

epson661 :

Antec, Seasonic, and XFX are generally top tier brands. 80+ bronze, silver, etc is efficiency rating.

epson661 · Apr 14, 2014

That still didn't really answer my question, unless i phrased it wrong. Is the Antec 550w Gold sufficient enough/better than the Cx750M to support a Fx8350, R9 290 Gigabyte 3X, 8gb 1600mhz ram, 1TB hard drive etc.

ko888 · Apr 14, 2014

epson661 :

Not if you're planning to overclock the AMD FX 8350.

epson661 · Apr 14, 2014

So Corsair CX750M it is then?

ko888 · Apr 14, 2014

epson661 :

It's the only PSU in your list that has sufficient +12V rail capacity to handle overclocking of both the CPU and GPU.

Dark Lord of Tech · Apr 14, 2014

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 750W 80+ Bronze Certified ATX Power Supply (£68.94 @ CCL Computers)
Total: £68.94
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-15 00:04 BST+0100)

ko888 · Apr 14, 2014

The OP seems to be looking for a semi-modular or fully modular PSU.

XFX ProSeries XXX Edition 750W semi-modular
http://uk.pcpartpicker.com/part/xfx-power-supply-p1750xxxb9

antec support · Apr 15, 2014

Hi,
I understand you want three 290s.
For 3x 290 you need 6x an 8p (6+2)p PCIe connectors + enough power. For 2x I would suggest 1000W to have some headroom, depending also if you overclock even more.

epson661 · Apr 15, 2014

I would choose the XFX but its a prebuilt system and I only have the choice between the two. Thanks anyways guys!

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Which is the better PSU for a Gigabyte 3X R9 290?

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