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"How many watts do I need"? Check Here!

Aniallation
By Aniallation
in Power Supplies
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Posted

Hello,

 

I am a bit stuck on the power supply. I am building a modest rendering pc but need help deciding on the wattage for the power supply.

PC specs.

 

ASUS Rampage 4 Gene

16 GB Hyper X Memory (2133)

128 GB Vertex 4 (1)

2 TB HDD (1)

2 GTX 980

M-Disc (just for "kicks")

 

Would you mind helping me out?

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I am a bit stuck on the power supply. I am building a modest rendering pc but need help deciding on the wattage for the power supply.

 

2 GTX 980

A good quality 650W or higher will be able to provide adequate power for your build.

"Rawr XD"

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  • 3 weeks later...
Posted

Can someone say how many watts do i need for this setup?

2x EVGA GeForce GT 730 2GB GDDR5 64bit

Intel Core i5-4430 Quad-Core Desktop Processor 3.0 GHz 6 MB Cache

Gigabyte GA-Z97X-GAMING 7 LGA 1150 Z97

Kingston HyperX FURY 16GB Kit (2x8GB) 1866MHz DDR3 CL10 DIMM

HP 454146-b21 HP 1TB 3G 7.2K 3.5 SATA MDL HARD DRIVE

Samsung SH-224DB/BEBE-KIT 24x Internal CD DVD±R/RW Dual Layer Disc Burner Drive Writer

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Can someone say how many watts do i need for this setup?

2x EVGA GeForce GT 730 2GB GDDR5 64bit

Intel Core i5-4430 Quad-Core Desktop Processor 3.0 GHz 6 MB Cache

That setup will not work in the first place. You can not run two GT 730s. Unlike AMD, nVidia does not support multi-GPU setups with their lower cards.

"Rawr XD"

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That setup will not work in the first place. You can not run two GT 730s. Unlike AMD, nVidia does not support multi-GPU setups with their lower cards.

But if it had EVGA GeForce GT 740 4GB GDDR5 would it run then?

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But if it had EVGA GeForce GT 740 4GB GDDR5 would it run then?

Yes, but GT 740 4GB is still not a good choice for a graphics card. You will never use that much VRAM with such a weak GPU. 

 

How much money do you have to spend on a graphics card?

"Rawr XD"

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Yes, but GT 740 4GB is still not a good choice for a graphics card. You will never use that much VRAM with such a weak GPU.

How much money do you have to spend on a graphics card?

About $250 would be perfect but i could go up to $400 if needed. I want just a decent entry level setup.

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About $250 would be perfect but i could go up to $400 if needed. I want just a decent entry level setup.

What parts do you already have, and how much are you looking to spend for the rest of the parts?

"Rawr XD"

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What parts do you already have, and how much are you looking to spend for the rest of the parts?

I don't have anything and around $800-1000

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I don't have anything and around $800-1000

Where are you located?

"Rawr XD"

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I know that my 500w Be Quiet can handle two gpus (R9 270 and Geforce 8800GTS) under high load, but because I'm soon to have dual 270s that I'll be running for a long time I bought a 750w Corsair. I think the OP kind of over estimated the wattage estimate values.

NZXT Phantom|FX-8320 @4.4GHz|Gigabyte 970A-UD3P|240GB SSD|2x 500GB HDD|16GB RAM|2x AMD MSI R9 270|2x 1080p IPS|Win 10

Dell Precision M4500 - Dell Latitude E4310 - HTC One M8

$200 Volvo 245

 

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Estonia

Where would you be buying from? As I don't know the prices of PC parts in Estonia

"Rawr XD"

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Where would you be buying from? As I don't know the prices of PC parts in Estonia

Amazon/ebay/any other trustworthy we store probably, there aren't many good PC parts stores in Estonia

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Amazon/ebay/any other trustworthy we store probably, there aren't many good PC parts stores in Estonia

Here's a reference build using American part prices. Left a bit off from the budget as PC parts are very cheap in America and price equivalent where you are may be quite a bit higher for similar parts. However I do suggest you make a thread in the new builds section of the forum, so that you can have more people helping you out then just me :)

 

 
CPU: Intel Core i5-4440 3.1GHz Quad-Core Processor  ($166.99 @ SuperBiiz) 
Motherboard: MSI H81M-P33 Micro ATX LGA1150 Motherboard  ($44.88 @ OutletPC) 
Memory: Team Elite Plus 8GB (1 x 8GB) DDR3-1333 Memory  ($58.99 @ Newegg) 
Video Card: HIS Radeon R9 280 3GB IceQ OC Video Card  ($179.99 @ Newegg) 
Case: Corsair SPEC-01 RED ATX Mid Tower Case  ($39.99 @ Newegg) 
Power Supply: SeaSonic S12II 520W 80+ Bronze Certified ATX Power Supply  ($61.99 @ SuperBiiz) 
Operating System: Microsoft Windows 8.1 (OEM) (64-bit)  ($87.75 @ OutletPC) 
Total: $750.57
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-01-25 22:24 EST-0500

"Rawr XD"

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I'm planning this system:

4790k overcloked as far as a h100i can handle

Tri-x r9 290 also overcloked as far as that cooler can go

Not much else 16gb of ram does that matter ?

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I'm planning this system:

4790k overcloked as far as a h100i can handle

Tri-x r9 290 also overcloked as far as that cooler can go

If you're just using the single 290, then you'll be good with 550W as long as you have a good power supply. However for not much more then the cheapest 80+ Gold 550W that I would recommend (XFX XTR), you can get the EVGA 750G2. However that's mainly for headroom as 750W will not be enough if you want to add another overclocked 290 later on. If you plan to Crossfire I'd suggest the EVGA 850G2.

"Rawr XD"

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Maxwell Gaming PC


CPU: FX-8350/9370/9590, Unlocked Core i7


GPU: GTX 970/980


 


Minimum recommended PSU stock: 400W


Minimum recommended PSU overclocked: 600W


Minimum recommended PSU in SLI: 650W


Minimum recommended PSU overclocked in SLI: 750W


 


 


Are the 750 Watt for overclocked SLI and for example a hard overclocked 5960X? Or would 850W do that better?


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Are the 750 Watt for overclocked SLI and for example a hard overclocked 5960X? Or would 850W do that better?

Consider each 980 overclocked would pull 200W, and a hard overclocked 5960X would also pull 200W (likely less in real world)

 

200x2 = 400W for GPUs + 200W for CPU = 600W for overclocked 5960X and two overclocked 980s alone. Leaving 150W left for other components. Seeing that quality 750W's are able to reliably deliver their full rated wattage without a big fuss, a good quality 750W would be perfect for 980 SLI and 5960X all overclocked.

"Rawr XD"

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  • 2 weeks later...
Posted

Consider each 980 overclocked would pull 200W, and a hard overclocked 5960X would also pull 200W (likely less in real world)

 

200x2 = 400W for GPUs + 200W for CPU = 600W for overclocked 5960X and two overclocked 980s alone. Leaving 150W left for other components. Seeing that quality 750W's are able to reliably deliver their full rated wattage without a big fuss, a good quality 750W would be perfect for 980 SLI and 5960X all overclocked.

the problem is the 980 can easily get power spikes over 250w and the 5960x on 1.3+v can pull more than 200w.

 

 

Maxwell Gaming PC

CPU: FX-8350/9370/9590, Unlocked Core i7

GPU: GTX 970/980

 

Minimum recommended PSU stock: 400W

Minimum recommended PSU overclocked: 600W

Minimum recommended PSU in SLI: 650W

Minimum recommended PSU overclocked in SLI: 750W

 

 

Are the 750 Watt for overclocked SLI and for example a hard overclocked 5960X? Or would 850W do that better?

 

850w would be best if you are going to overclock both gpu's and the cpu.

Rig Specs:

AMD Threadripper 5990WX@4.8Ghz

Asus Zenith III Extreme

Asrock OC Formula 7970XTX Quadfire

G.Skill Ripheartout X OC 7000Mhz C28 DDR5 4X16GB  

Super Flower Power Leadex 2000W Psu's X2

Harrynowl's 775/771 OC and mod guide: http://linustechtips.com/main/topic/232325-lga775-core2duo-core2quad-overclocking-guide/ http://linustechtips.com/main/topic/365998-mod-lga771-to-lga775-cpu-modification-tutorial/

ProKoN haswell/DC OC guide: http://linustechtips.com/main/topic/41234-intel-haswell-4670k-4770k-overclocking-guide/

 

"desperate for just a bit more money to watercool, the titan x would be thankful" Carter -2016

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the problem is the 980 can easily get power spikes over 250w and the 5960x on 1.3+v can pull more than 200w.

 

850w would be best if you are going to overclock both gpu's and the cpu.

 

http://youtu.be/UnS0xWtoRzk?t=4m23s

 

Technically 750W is enough for four.... it's fine for two overclocked.

"Rawr XD"

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http://youtu.be/UnS0xWtoRzk?t=4m23s

 

Technically 750W is enough for four.... it's fine for two overclocked.

you should look at tom hardware. 980 and 970 have been killing people's psu's

Rig Specs:

AMD Threadripper 5990WX@4.8Ghz

Asus Zenith III Extreme

Asrock OC Formula 7970XTX Quadfire

G.Skill Ripheartout X OC 7000Mhz C28 DDR5 4X16GB  

Super Flower Power Leadex 2000W Psu's X2

Harrynowl's 775/771 OC and mod guide: http://linustechtips.com/main/topic/232325-lga775-core2duo-core2quad-overclocking-guide/ http://linustechtips.com/main/topic/365998-mod-lga771-to-lga775-cpu-modification-tutorial/

ProKoN haswell/DC OC guide: http://linustechtips.com/main/topic/41234-intel-haswell-4670k-4770k-overclocking-guide/

 

"desperate for just a bit more money to watercool, the titan x would be thankful" Carter -2016

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Hello, I ordered myself a system based on recommendations from forums users, and I build (not quite yet) myself:

 

-AMD Athlon X4 860K

-Gigabyte F2A88XM-D3H

-WD Blue WD10EZEX

-Cooler Master Hyper 212 EVO

-Crucial Ballistix 8GB

-Sapphire TOXIC R9 280X 3GB

 

Overclocking... Yeah maybe, if needed.

 

And all of this is (will be) powered by Cooler Master GM G450M, and by watching Linus tips about power supply etc. I'm a bit worried that this power supply won't be enough. Can anyone help me with this? Because I can still send it back (at least I hope so...) and replace it for 500/550W.

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And all of this is (will be) powered by Cooler Master GM G450M, and by watching Linus tips about power supply etc. I'm a bit worried that this power supply won't be enough. Can anyone help me with this? Because I can still send it back (at least I hope so...) and replace it for 500/550W.

450W is the bare minimum I'd run with that but I personally wouldn't do it on the CWT-made Cooler Master GM, especially if you are looking to overclock. If you are able to send it back then I'd definitely suggest that you replace it with a 500/550W, or a higher quality 450W. 

"Rawr XD"

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Thanks a lot! I'm still waiting for Ram memory to arrive so I have still a bit of time before building my PC. If I will be able than I will send it back and exchange it for Cooler Master GM G550M, is it a good one? 

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