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Will A 520W PSU enough for this rig? The Rig is .....

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#1
Intel i5 2310
Gigabyte GA-Z77P-D3 (rev. 1.0)
G.Skill DDR3 1333 MHz 4 GB (F3-10600CL9S-4GBNT)
MSI R7850 Power Edition 2GD5 (I will OC it to 1250Core and 1375Memory at 1.225 Volts)
WD Caviar Black 500 GB Sata 2

I am looking for SeaSonic S12II 520?

Will be it enough for it!?:confused:
and i will oc my GPU as i said!

Well if it is not enough for it then my budget is 70$ (3800INR)!
:laugh::roll::laugh:
 

Frick

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#2
Yes and yes. It will work quite well. The 7850 peaks out at about 100W, so you're good to go.
 
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#3
Thanks for your help!
I was worried about it because on extreme.outervision.com the capacitor aging will be atleast at 20% and at that it was 570W recommend!
But What is this Capacitor Aging Stuff?
 
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#4
With how much a 7850 is using I'd say it's overkill! Joke aside, it's enough and Seasonic is good.
 
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#5
So it will be nice if i oc my CPU too?
 
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#6
That's a locked CPU so very limited overclocking. It will be enough.
 
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#7
Thanks !
What is this capacitor aging stuff?
 

Frick

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#8
Electrolytic capacitor aging. When used heavily or over an extended period of time (1+ years) a power supply will slowly lose some of its initial wattage capacity. We recommend you add 10-20% if you plan to keep your PSU for more than 1 year, or 20-30% for 24/7 usage and 1+ years.
How it degrades over time. How did you make it say 570W? I did the same calculations on your system and even at 50% cap aging it just said 470W.

You could probably even do crossfire with that PSU. ;)
 
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#9
How it degrades over time. How did you make it say 570W? I did the same calculations on your system and even at 50% cap aging it just said 470W.

You could probably even do crossfire with that PSU. ;)
Are you serious! To do CF on that!
Well this is weird last 3-4 times i checked that it was over 530W to 570W and now at max it is 513W !
Well for CF my mobo does support CF but at x16 and x4 and i think this is not enough to CF does it!
 

Frick

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#10
It would be pushing it a bit, but it would work.
 
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#11
I did crossfire with 2 4850's on a corsair 520w
 
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#12
Now get it now do i get that 550W result check this

Motherboard: High End - Desktop
CPU Socket: Socket LGA 1155
CPU: Intel Core i5-2310 2900 MHz Sandy Bridge
CPU Utilization (TDP): 100% TDP

RAM: 4 Sticks DDR3 SDRAM
Video Card 1: AMD Radeon HD 7850

Regular SATA: 1 HDD

DVD-RW/DVD+RW Drive: 1 Drive

Fans
Regular: 2 Fans 120mm; 1 Fan 140mm;

Keyboard and mouse: Yes

System Load: 100 %

Capacitor Aging (+ W %): 50 %



Minimum PSU Wattage: 507 Watts
Recommended Wattage: 557 Watts
 
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#13
AMD supports CF x16 x4. At stock 2x7850 that Seasonic will work very good. Even if you overclock the cards let's say they will pull 300W plus the rest at 150W it is manageable.
 
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#14
Really that great because in can CF it in future!
 
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#15
That's a locked CPU so very limited overclocking. It will be enough.
Semi wrong . You can still bump up the clock by a few mhz by changing the bclk . An example would be the i52400 where it can go up to 3.7ghz
 
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#16
Can i manage to get atleast 3.3Ghz on that CPU?
Without playing with voltages
 
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#17
Semi wrong . You can still bump up the clock by a few mhz by changing the bclk . An example would be the i52400 where it can go up to 3.7ghz
Hence he said "Very limited overclocking"?? :rolleyes: though should have specified multi locked I guess?
 
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#18
Hence he said "Very limited overclocking"?? :rolleyes: though should have specified multi locked I guess?
I also know that it is locked and to oc big i need a K CPU but can i get 3.3+ Ghz on that?
And which software should i use to do it?
I am not interested in bios ocing !:D
 
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#19
Hence he said "Very limited overclocking"?? :rolleyes: though should have specified multi locked I guess?
ah pardon me didn't see that .
 
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#20
ah pardon me didn't see that .
To make things clearer for the OP, on a locked Sandy i5 you can add up to "4 speed bins" above the highest turbo boost frequency available for your CPU. So basically you can increase the multi with 4 (that is if your mobo chipset allows). Additionally you can alter the base clock freq but this brings certain risks with it since this clock controls the PCI-e bus and SATA among other things.
 
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#21
To make things clearer for the OP, on a locked Sandy i5 you can add up to "4 speed bins" above the highest turbo boost frequency available for your CPU. So basically you can increase the multi with 4 (that is if your mobo chipset allows). Additionally you can alter the base clock freq but this brings certain risks with it since this clock controls the PCI-e bus and SATA among other things.
What is speed bins?(do you mean multipliers?):confused:
 
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#22
Well turbo boost can get me to 3.2 so maybe i can go to 3.3 or 3.5
without taking alot of risks!
 
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#23
I am looking to oc because some games need extra Ghz for fps for eg.
Crysis 2 Optimum System Requirements

CPU: Intel Core i5 3.1Ghz, AMD Phenom II X6 1055T or better
GPU: NVidia GTX 560 Ti, ATI 6850 or Dual graphics cards
RAM: 4GB
DX: 11
Shader: 4.0
OS: Windows 7
Frame Rate Target: 30fps@1920x1200
 

NHKS

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#24
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#25
For a single 7850, the 520W Seasonic (or any other 500W) PSU should be more than adequate..


Additionally, u could use one of the many PSU calculators available online to estimate the 'wattage' u would require. Here are a few links:
eXtreme calc
thermaltake calc
Cooler Master calcAsus calc
MSi calc
"be quiet!" calc
Corsair calc

TPU has a thread called "PSU guide". It has nice general info..
Hey These are pretty useful links thanks!
The TPU thread was most helpful!
 
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