R9 280X PSU Requirement
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TheKerangMan
October 10, 2013 8:45:41 PM
Best solution
kitsunestarwind
October 10, 2013 8:59:57 PM
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TheKerangMan
October 10, 2013 9:53:38 PM
Well, then they are wrong. A R9 280x simply doesn't need more than a quality 500w PSU. They are a rebadged 7970 and according to Tom's review they use the same power: http://www.tomshardware.com/reviews/radeon-r9-280x-r9-2...
Trust me - a 620w Seasonic is plenty for a single 280x. For CrossFire you'd need a quality 750w or 850w.
Trust me - a 620w Seasonic is plenty for a single 280x. For CrossFire you'd need a quality 750w or 850w.
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runnyriver
October 15, 2013 10:12:21 AM
It looks to me that card manufactures are fine over-estimating the PSU required. Why they don't just state the full load watt requirement for the card only is beyond me. I'm in the same boat, looking to get a 280x now and crossfire later. I'm going with a 750w psu. I checked out a few different power supply websites, and as of now I'm confident in my purchase. I'm by no means an expert.. so I'd recommend you get a 1200w PSU so you can't blame me for recommending too low a wattage.
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AgentDirtySanchez
October 16, 2013 11:16:35 PM
runnyriver said:
It looks to me that card manufactures are fine over-estimating the PSU required. Why they don't just state the full load watt requirement for the card only is beyond me. I'm in the same boat, looking to get a 280x now and crossfire later. I'm going with a 750w psu. I checked out a few different power supply websites, and as of now I'm confident in my purchase. I'm by no means an expert.. so I'd recommend you get a 1200w PSU so you can't blame me for recommending too low a wattage.I would imagine they do it that way to cover themselves for the shortcomings of low end PSUs. An 850W 80+Bronze and 850W 80+Platinum are entirely different animals. The platinum will last longer at peak load, and is far more likely just to shut down if it's overloaded, and will probably die without frying other hardware.
I'm getting a pair of MSI 280Xs and will probably stick with my 850W 80+ Gold. They say that each 280X draws 250W max under full load. You have to conservatively figure the average CPU draws 125-150W, MB 60-75W, BR-DVD 30-45W, HDDs are 10-20W each, estimate another 25W for fans and pretty lights and whatnot, and that's what you should be looking at for your total power needs. For a more exact power consumption figure you'll have to research the specs for each of your individual components.
I've always gone the way of a smaller high quality PSUs for the above reason coupled with other minor annoyances like loud fans and coil squeal. Higher end PSUs are also good for air cooled rigs as they often have modular cables that take up less space, and allow for better airflow in the case.
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ripjaw_0320
October 17, 2013 9:53:34 AM
HIS R9 280x turbo boost edition
GPU TDP 245watts full load @power hungry system
http://www.guru3d.com/articles_pages/his_radeon_r9_280x...
guru3d also stated a recommendation of GENERIC PSU is 550w
HIS 280x turbo boost
TDP 337w at stock and 437w at OC
@this full system test http://www.overclockers.com/his-r9-280x-ipower-iceq-x2-...
Sapphire R9 280x toxic edition
System Draw
@METRO= 339w
@Furmark=469
http://www.anandtech.com/show/7406/the-sapphire-r9-280x...
Final thoughts:
500w quality psu like seasonic corsair antec xfx etc is enough to run a single r9 280x if you dont have plan in future for your system, and remember that the amp of your +12v rail is also important.
GPU TDP 245watts full load @power hungry system
http://www.guru3d.com/articles_pages/his_radeon_r9_280x...
guru3d also stated a recommendation of GENERIC PSU is 550w
HIS 280x turbo boost
TDP 337w at stock and 437w at OC
@this full system test http://www.overclockers.com/his-r9-280x-ipower-iceq-x2-...
Sapphire R9 280x toxic edition
System Draw
@METRO= 339w
@Furmark=469
http://www.anandtech.com/show/7406/the-sapphire-r9-280x...
Final thoughts:
500w quality psu like seasonic corsair antec xfx etc is enough to run a single r9 280x if you dont have plan in future for your system, and remember that the amp of your +12v rail is also important.
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cederwood
November 9, 2013 2:20:02 AM
DocMengueche
May 29, 2014 2:10:11 PM
I had a 600w power supply and guess what, it got completely fried. I have to buy a gaming 750w power supply to be able to play.
This are my specs:
fx 8350
gigabyte motherboard - GA-78LMT-S2P
8gb ram
generic dvd writer
ASUS R9 280x
1tb HDD
Gaming case with 3 Fans.
600watts power supply
Not any kind of overclock at all.
Power supply and motherboard got utterly FRIED after 2 hours playing.
I applied the warranty but they told me I need a 750watts Power Supply to be able to make it work without risking my pc to fail again.
So think about taking forum advices before actually risking your investment.
This are my specs:
fx 8350
gigabyte motherboard - GA-78LMT-S2P
8gb ram
generic dvd writer
ASUS R9 280x
1tb HDD
Gaming case with 3 Fans.
600watts power supply
Not any kind of overclock at all.
Power supply and motherboard got utterly FRIED after 2 hours playing.
I applied the warranty but they told me I need a 750watts Power Supply to be able to make it work without risking my pc to fail again.
So think about taking forum advices before actually risking your investment.
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Reply to DocMengueche
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Newbie765
August 4, 2014 1:40:46 PM
skylite88
August 12, 2014 11:36:27 AM
I am running a R9 280x tri-x and using a corsair cx750m psu now my display driver stopped responding every few mins in game, I had try troubleshooting everything I can do to see what's the problem and to change a psu is my last result and after putting my friend psu in my system which is a Ax860i my PC can play the game 2 - 3 hours without the display driver stop responding I think it's either my psu faulty or it can't meet the standard. Any advice??
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moonpen
August 31, 2014 1:17:25 AM
tmboyz
September 4, 2014 3:16:40 AM
Mine is a R9 280x toxic running on a Seasonic 620 bronze along with the i7-4790k OC to 4600. Games like BF4 maxed out on a 24" 1900x1200, for something like an hour without a problem. A good quality 620 is fine. I think the total watt requirement for a R9 280x is 300 watts on the two 8 pins connectors. And how much for a oced cpu 80w? 100? You’re still left with plenty of juice. But if you plan to crossfire, you’re better off with 1000w.
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TheKerangMan
September 7, 2014 10:45:48 AM
tmboyz said:
Mine is a R9 280x toxic running on a Seasonic 620 bronze along with the i7-4790k OC to 4600. Games like BF4 maxed out on a 24" 1900x1200, for something like an hour without a problem. A good quality 620 is fine. I think the total watt requirement for a R9 280x is 300 watts on the two 8 pins connectors. And how much for a oced cpu 80w? 100? You’re still left with plenty of juice. But if you plan to crossfire, you’re better off with 1000w. i wonder how if an FX 8350 was the cpu there..will it be running fine? the TDP was 125W..!
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tmboyz
September 9, 2014 5:03:36 PM
TheKerangMan said:
tmboyz said:
Mine is a R9 280x toxic running on a Seasonic 620 bronze along with the i7-4790k OC to 4600. Games like BF4 maxed out on a 24" 1900x1200, for something like an hour without a problem. A good quality 620 is fine. I think the total watt requirement for a R9 280x is 300 watts on the two 8 pins connectors. And how much for a oced cpu 80w? 100? You’re still left with plenty of juice. But if you plan to crossfire, you’re better off with 1000w. i wonder how if an FX 8350 was the cpu there..will it be running fine? the TDP was 125W..!
how many watts is yours right now? 620 I think? its fine if you are doing only one thing at a time (the FX considered). Take me, I always run one single process at any one time. If you are running a heavy game and handbrake working in the background with additional twenty browsers open; you get into problems with anything less than 750
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Gmr_Girl
September 15, 2014 10:15:32 PM
For me, I would want to "play it safe" as they say and buy a bigger PSU than actually needed - so, say for example you're like me and want to get Sapphire's R9 TOXIC 280X, which for all intents and purposes - plus noted in seemingly every review I've read about that card in particular - draws a bit more power than a typical R9 280x. Sapphire recommends a 750 watt PSU to run that card, a 1000w if planning to run two of them via Crossfire. I realize they're probably just putting it out there as a way to CTA (Cover Their Ass) but why take a risk? I sure as hell don't want to, especially for that kind of money, so that's why I'm going to get a Seasonic X850 just to "play it safe."
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tmboyz
September 16, 2014 5:41:52 AM
Gmr_Girl said:
For me, I would want to "play it safe" as they say and buy a bigger PSU than actually needed - so, say for example you're like me and want to get Sapphire's R9 TOXIC 280X, which for all intents and purposes - plus noted in seemingly every review I've read about that card in particular - draws a bit more power than a typical R9 280x. Sapphire recommends a 750 watt PSU to run that card, a 1000w if planning to run two of them via Crossfire. I realize they're probably just putting it out there as a way to CTA (Cover Their Ass) but why take a risk? I sure as hell don't want to, especially for that kind of money, so that's why I'm going to get a Seasonic X850 just to "play it safe."
850! that's really safe, even on crossfire, SLI or whatever.
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DSN
September 16, 2014 5:55:26 AM
I plugged a XFX R9 280X on a Corsair TX 650W (the enthusiast series), after I booted it started smelling really bad and I turned it off... I switched everything off right away, and nothing fried, but I hadn't had the courage to try it again. Just bought a Corsair AX 850W.
I'd go with a 750W PSU as the manufacturer says.
I'd go with a 750W PSU as the manufacturer says.
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Gmr_Girl
September 17, 2014 12:41:19 AM
Bibbit
September 17, 2014 9:36:33 AM
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tmboyz
September 17, 2014 7:56:36 PM
shit! you people worry me now, mine is a seasonic 620 bronze, running a i7-4790k OC to 4400, and a R9 280x toxic. Just these two components will take up 550w easily. This is a new setup, I don't want to run to the store (just walking distance) for a 750w, mainly because I hate opening the case and burrow around like a plumber. Hmmm...i'll wait and see how it goes. Or just walk down to the store....
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larkspur said:
The 750w requirement would be for two cards in CrossFire. I am completely sure that the Seasonic 620w is plenty for a single 280x, no worries at all.I know this is an old thread, and that the card might not in actuality need what's recommended, but the Sapphire website DOES indicate that for a single R9280x, a 750w PSU is required. It lists a 1000w for crossfire, as seen below.
PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard.
◾2X75 Watt 6-pin PCI Express power connector is required for CrossFireX™ system.
◾1X75 Watt 6-pin PCI Express power connector is required.
◾4096MBMinimum of system memory.
◾Installation software requires CD-ROM drive.
◾DVD playback requires DVD drive.
◾Blu-ray™ / HD DVD playback requires Blu-ray / HD DVD drive.
◾750 Watt Power Supply is required.
◾1000WattPower Supply is recommended for CrossFireX™ System.
◾1X150 Watt 8-pin PCI Express power connector is required.
◾2X150 Watt 8-pin PCI Express power connector is required for CrossFireX™ system.
But as previously mentioned, that's probably just Sapphire playing it way to the safe side.
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alsonn
October 7, 2014 5:01:18 PM
CFRTim
6 minutes ago
This is insane. As I made my new gaming rig, I was aiming for power efficiency. From a low TDP Haswell i7 CPU to the new Maxwell GPU, my whole system is at no more than 150-175W under heavy gaming. You guys need 1000W power supplies?? Hope you are getting 4-5 times the gaming experince I am, because you're sure paying for it on your electric bill.
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