Hi guys, I'm planning to get an R9 390 over the GTX 970 due to the performance given from team Red. And I got worried when I did some research about the power that the R9 390 will drain from the SFX PSU from the Fractal Node 202 I have. Plus I'm gonna put an i5 6500 with 8GB of RAM. If anyone have the knowledge could help me so. Thanks in advance.
Will the R9 390 work with a 450W PSU?
- Thread starter DanDaDog
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- Oct 15, 2014
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you will want at least 550-600w for a 390. it uses about 275w and needs power connections a 450w unit likely does not have. you can probably get away with the 970 on a good quality 450w unit but not even close for a 390.
i'd need the model number of the psu in the case now to be sure it would even run a 970. but there is no chance of it running a 390.
i'd need the model number of the psu in the case now to be sure it would even run a 970. but there is no chance of it running a 390.
siviprime
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- Jan 21, 2016
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I wouldn't really recommend it. Those components (even with the GPU slightly underclocked) including hard drives, fans etc. will pull over 400W when gaming. A decent 550W can run those components comfortably, but 450W is cutting it too close.
You would be better off with a 970 in such a situation.
You would be better off with a 970 in such a situation.
siviprime
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I don't know where you can find a 550W+ SFX supply for $50, you may have to double that budget to get a decent quality one!
I'm guessing that small-form factor cases weren't especially designed for gaming machines with R9 390s, but rather for HTPCs!
And to answer your question, video rendering uses as much power as available to get the job done as quick as possible. You can however limit CPU utilization by going into Power Options -> Change plan settings -> Change advanced settings.
I'm guessing that small-form factor cases weren't especially designed for gaming machines with R9 390s, but rather for HTPCs!
And to answer your question, video rendering uses as much power as available to get the job done as quick as possible. You can however limit CPU utilization by going into Power Options -> Change plan settings -> Change advanced settings.
- Oct 15, 2014
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those can be hard to find and are expensive more often than not. try closer to $100 for one with enough power. they are smaller so it is harder to cram the pieces in for higher power units. i see a couple at $100+ that are enough power but nothing less than that right now!!
them sfx cases are not designed for high power stuff. personally considering the case, a gtx 970 would make more sense. they have a couple mini versions out that are nice and small and still just as good as full size 970's. that and it'll produce less heat than a 390 which will be hard enough to get rid of in such a small case. just my thoughts anyway for your specific situation.
in either case, i need to know the psu model number so we can look it up. it may not even be good enough to run the system with a 970 depending on it's specs
them sfx cases are not designed for high power stuff. personally considering the case, a gtx 970 would make more sense. they have a couple mini versions out that are nice and small and still just as good as full size 970's. that and it'll produce less heat than a 390 which will be hard enough to get rid of in such a small case. just my thoughts anyway for your specific situation.
in either case, i need to know the psu model number so we can look it up. it may not even be good enough to run the system with a 970 depending on it's specs
- Oct 15, 2014
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this is clearly a gaming rig (hence the powerful gpu) so why do you feel the gpu is going to remain idle? that really makes no sense considering the use of the pc. sure in rendering it may not do as much but that is not the only use of the pc.
- Oct 15, 2014
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i think this is the psu in the case http://www.fractal-design.com/home/product/cases/node-series/node-202-integra-sfx-450w-psu
it says it has 2 x 18 amp 12v rails which is about right for 450w. it also has 2 x 8 pin pcie connectors. if this is in fact the psu in the case, then a gtx 970 would be fine for it. it still won't run a 390 however as it just does not have the juice.
it says it has 2 x 18 amp 12v rails which is about right for 450w. it also has 2 x 8 pin pcie connectors. if this is in fact the psu in the case, then a gtx 970 would be fine for it. it still won't run a 390 however as it just does not have the juice.
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