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650 W for 2 280x

sthzjEe
By sthzjEe
in Power Supplies
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I'm just wondering, if I ever go crossfire, would my Evga Supernova NEX650G 650 W be enough for 2 280x? 

CPU: AMD FX-8320 4.3 GHz | CPU Cooler: Cooler Master Hyper 212 EVO | Motherboard: ASUS M5A97 R2.0 | RAM: Kingston HyperX 1600 MHz 8 GB | GPU: Sapphire Radeon R9 280X Vapor-X 3 GB OC | SSD: Samsung 840 EVO 120 GB | HDD: Hitachi Deskstar 500 GB 7200 RPM | PSU: EVGA SuperNOVA NEX650G 650 W | Case: Fractal Design Define R4 Titanium Grey Windowed | Monitor: LG IPS237 LED IPS

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Absolutely not.

Intel Core i7-5930K | Noctua NH-D15S | ASUS X99-M WS | 32GB (4 x 8GB) G.Skill Ripjaws V 2666MHz | MSI GeForce GTX 980 Ti Gaming 6G | Samsung 850 Pro 512GB | Seasonic 660XP2 | Phanteks Enthoo EVOLV


LG 34UM95-P w/ Ergotron MX  | O2/ODAC | Audioengine A5+ w/ AS8 | Sennheiser HD 598 | Ducky Shine 3 | Cooler Master Storm Spawn

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No, get at least an 800W branded quality PSU. Preferably 850W.

Shot through the heart and you're to blame, 30fps and i'll pirate your game - Bon Jovi

Take me down to the console city where the games are blurry and the frames are thirty - Guns N' Roses

Arguing with religious people is like explaining to your mother that online games can't be paused...

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I'm just wondering, if I ever go crossfire, would my Evga Supernova NEX650G 650 W be enough for 2 280x? 

Might be a little borderline although I'm not 100% sure, just for the need for extra wattage for dual 280X in CFX look towards buying a 750w power supply with a decent silver 80+ certification.

Please become a member of the Linus Tech Tips forum, keep writing smug remarks & let us love you. Peace out.


<| Project M13 & Silverstream. Other DIY projects |>

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Ok, thanks for all the answers.

CPU: AMD FX-8320 4.3 GHz | CPU Cooler: Cooler Master Hyper 212 EVO | Motherboard: ASUS M5A97 R2.0 | RAM: Kingston HyperX 1600 MHz 8 GB | GPU: Sapphire Radeon R9 280X Vapor-X 3 GB OC | SSD: Samsung 840 EVO 120 GB | HDD: Hitachi Deskstar 500 GB 7200 RPM | PSU: EVGA SuperNOVA NEX650G 650 W | Case: Fractal Design Define R4 Titanium Grey Windowed | Monitor: LG IPS237 LED IPS

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yes its enough. if you don`t oc the cpu your pc would use around ~500W in load with 2x280x . a 750W psu is enough for dual 290X

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each one pulls around 250w max so that leaves you about 100w for your cpu since a psu doesnt ever put out 100 percent of what its rated for so its cutting it kinda close imo

a 280X uses 208W . a 290 uses 245W

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