520W PSU and Sapphire R9 380x OC

Yenad · May 12, 2016

Hello.

I would like to ask you if a Seasonic S12II-520 PSU will handle AMD FX-8350 CPU and Sapphire R9 380x 4GB OC GPU.

If you want my full pc specs i can write it.

junkeymonkey · May 12, 2016

non overclocked 8350 = 125w = 10.5 amps

here it shows 275w ?? = 23 amps

http://hexus.net/tech/reviews/graphics/88139-sapphire-radeon-r9-380x-nitro/?page=12

say 10 amps for the rest of the system ?? = 43 amps full load total ? that's a 520w psu and should have 43 amps at the 12v+ so to me no cause you have -0- safety overhead at full power draw

[opinion]

you can figure it up on your own watts/v[12] =amps [use full power draw as when your parts are running at full load ]

so a 650w psu should state 54 amps with in a amp or 2

example [Output - 12v+ 54.1a]
http://www.evga.com/products/Specs/PSU.aspx?pn=50304c42-960f-48bb-a68f-4f934d4df894

good luck

just to add that unit you asked about only shows 40a at the 12v+
http://www.seasonicusa.com/S12II-Bronze.htm

Yenad · May 12, 2016

So that means, that i have to buy a new 650W psu? okey, got it. Thank you for your quick response

junkeymonkey · May 12, 2016

well a little overkill cant hurt you but finding out your not powerful enough in the heat of battle does cause your hardware is trying to draw more then the psu can put out ?? then you looking to buy another psu cause you now find the one you got aint cutting it ?

that's your call for me I figure If need 50 amps I get a true 850w unit with 70 at the 12v+ , but that's just me I'm covered

I kina showed you how to look at it and the math try your own research on it and see how you come out , with todays stuff I don't go below a quality 750w on my primary gaming rig I want issue free as I can get and the psu is like the hart and life blood of any system

good luck

Yenad · May 12, 2016

But that EVGA you showed as an example is out of my price range. Can you give the name of the best 650W psu for max 70€? That is i think 80$.

Yenad · May 12, 2016

Or the best PSU that i can for an 80$. Sorry for my English. I posted the previous answer before i saw your response. Im again late :-(

junkeymonkey · May 12, 2016

well I'm in the states across the big pond so I don't know what you got to choose from over there , but i'lll look around

just be sure to check my work I did quick as a example on how it may not be its hard to find accurate full power draw on a card one site shows 175 one may show it as 225w [ I would error to the most to be safe??] that can be ''funny'' to figure

Yenad · May 12, 2016

Why is this markered as SOLVED when it isnt? lul

Im new in here... So... Yeah..

junkeymonkey · May 12, 2016

I unchecked it [maybe I don't get in trouble for that ?]

man I don't know ? how bout the same seasonic but the 620w ? that will get you up to

https://uk.pcpartpicker.com/part/seasonic-power-supply-s12ii620bronze

this maybe nicer with 2 extra pci-e cables ?? [52 amps gets you well covered ]

https://uk.pcpartpicker.com/part/super-flower-power-supply-sf650p14xehx

http://www.super-flower.com.tw/products_detail.php?class=2&sn=8&ID=4

[also superflower is what evga uses in there best G2 units as well ?? ]

looks like the 450w reviewd nice

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story5&reid=250

that superflower may make a nice unit

http://www.tomshardware.com/answers/id-1934372/heard-experience-make-psu.html

TJ Hooker · May 12, 2016

junkeymonkey :

First off, the graph shows 257, not 275. Secondly, that graph is system power consumption, not graphics card power.

OP, you should be fine with the Seasonic 520W.

junkeymonkey · May 12, 2016

227 at the card here

•Maximum: We use Furmark Stability Test at 1280x1024, 0xAA. This results in a very high no-game power-consumption reading that can typically only be reached with stress-testing applications. We report the highest single reading after a short startup period. Initial bursts during startup are not included as they are too short to be relevant.

''Furmark maximum power reaches 225 W, which is exactly what the 2x6-pin power inputs are specified for, so ASUS adjusted the power limit to a good value''

https://www.techpowerup.com/reviews/ASUS/R9_380X_Strix/21.html

with that I say at the card and I did say check my work

with that he's now at 40amps no overclocking [ if the sapphire card is as efficient ] that's 3 amps is not much head room and the psu better be true to its specs at that as well

as I said overkill don't hurt you but goofing to not enough will better safe then sorry I prefer to know I'm covered not hope I am

slot 75w 6pin 75x2= 150 that's 225w for the cards use [19 amps]

Yenad · May 12, 2016

Im confused right know. So i need to get Seasonic 620W or i should stay with that 520W Seasonic. My english is not good so excuse me.

junkeymonkey · May 12, 2016

I'd go with it or I think maybe better that superflower

and it can be confusing watts divided by volts [12 in this case] equals amps you see thay asus card is set up to be supplied for 225w maybe you may never see it used but if so and your psu cant do it =bsod / issues

you got the info do the math and draw your own conclusion

do you want a psu you can have confidence in or not ? your call

I want 100% I know is going to work and handle things not one I hope it will then find its not [been there , done that ]

Yenad · May 12, 2016

Maybe I'll go with the Seasonic S12II-620. I have a good experience with Seasonic and its also in my price range. I hope that my OC 8350 and GPU wont eat the PSU.

620 is enough as you said. Thank you for your time.

You guys helped me alot. Have a nice lifetime!

junkeymonkey · May 12, 2016

that's cool, thing I also liked about the superflower is the quality and you do get 2-6 pin cables and 2- 6+2 pin instead of the 2 with seasonic and then its a 650w ?? I guess hows the prices between the 2 ?

http://www.eteknix.com/super-flower-leadex-gold-650w-modular-power-supply-review/

nothing wrong with seasonic but maybe the superflower is a better total package if priced close to the same

that's another judgment call on you put them side by side and review what you get between them ?

enjoy

PCI-E 6Pin Connector
two Cables
PCI-E 6+2Pin Connector
two Cables

[specs]
http://www.super-flower.com.tw/products_detail.php?class=2&sn=8&ID=4

what ever you feel is best and better fits your needs on all that between the 2

Yenad · May 12, 2016

The superflower isnt avaliable in my country yet

(Slovakia) So the Seasonic is for me the right choice.

Have a nice lifetime

junkeymonkey · May 12, 2016

sounds like a ''go for it '' to me

good luck and enjoy

TJ Hooker · May 12, 2016

Oh, my mistake, for some reason I thought you already had a S12II 520W, and were wondering if it could handle a new 380X. Yeah, if you're going to be getting a new PSU either way, a 620W would give you a bit more breathing room. And I seem to remember that it doesn't cost too much more than the 520W anyway.

Yenad · May 12, 2016

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