"Does my power supply have enough watts, for this kind of crossfire?" Power supply (crossfire)

mhelsen · May 6, 2015

I have a 600 watt power supply and I currently have an ASUS R9280X-DC2T-3GD5, and i'm thinking about buying another one, and crossfiring it. But am I going to need a new power supply, if yes, which do you recommend for my setup.

My current computer specs:
Gigabyte GA-Z87X-UD3H
Intel Core i5 4670K
Kingston HyperX Genesis XMP X2 (8 GB)
ASUS R9280X-DC2T-3GD5
Corsair CX600M - 600 Watt

ko888 · May 6, 2015

You'll definitely need a new power supply.

For two ASUS RADEON R9 280X DirectCU II TOP 3 GB GDDR5 [R9280X-DC2T-3GD5] in 2-way Crossfire mode the power supply unit should have a maximum combined +12 Volt continuous current rating of 64 Amps or greater and also have at least two 75-Watt 6-pin and two 150-Watt 8-pin PCI Express supplementary power connectors.

Example:

EVGA SuperNOVA 850 G2 (220-G2-0850-XR)
• OEM: Super Flower
• maximum combined +12 Volt continuous current rating: 70.8 Amps <===== Sufficient
• six 75/150-Watt (6+2)-pin PCI Express supplementary power connectors <===== Sufficient
• Full Modular Output Cables: Yes
• Meets Official Intel Haswell Compliance: Yes
• 80 PLUS GOLD Efficiency Certification
• 10 Year Limited Warranty
• Link: http://pcpartpicker.com/part/evga-power-supply-220g20850xr

JasonL265 · May 6, 2015

For SLI R9 280X, you will want a 750w PSU minimum. I would get 800w / 850w to be safe.

http://www.guru3d.com/articles-pages/radeon-r7-260x-r9-270x-280x-review-benchmarks,10.html

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"Does my power supply have enough watts, for this kind of crossfire?" Power supply (crossfire)

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