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What PSU size do i need?

Tags:
  • GPUs
  • Power Supplies
  • Graphics Cards
  • CPUs
  • Components
Last response: in Components
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June 24, 2013 12:48:36 PM

i'm also having trouble with what PSU to choose, would appreciate your help.

Specs: http://www.inet.se/kundvagn/visa/3513541/2013-06-24

And also, do you think the CPU is a bit to much for the GPU? I would love your feedback.

More about : psu size

a b ) Power supply
a c 86 U Graphics card
a c 104 à CPUs
June 24, 2013 1:01:42 PM

The XFX Core Edition 450W would be plenty. And that GPU is pretty weak, you might want to try and get something better. A Radeon HD 7770 isn't that much more expensive but is quite a lot faster.
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a c 75 ) Power supply
a c 182 U Graphics card
a c 248 à CPUs
June 24, 2013 1:07:22 PM

Uhm ok let me start by asking, what are you planning to do with this build?
Gaming?
What resolution is your monitor?
What games do you play?

You can drop the CPU cooler and thermal paste since you can not overclock on that mobo and CPU. You can also drop the expensive RAM for something cheaper, since the overclocking potential is useless on those.
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June 24, 2013 1:15:06 PM

Yes i use it for gaming
its 1920x1080
The ones im playing right now is Aion, LoL and DOTA2 but im planning to get the new Assassins Creed game comming up soon.

I want this computer to be able to play todays game and games in a year or two decently. I care more about the FPS than the graphics, if i need to lower the graphics for higher FPS than be it.

Oh and i want the CPU cooler cuz i heard that the one comming with the cpu package is kinda loud, but that's just what ive found out through some web search.
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a c 75 ) Power supply
a c 182 U Graphics card
a c 248 à CPUs
June 24, 2013 1:22:18 PM

Tev0 said:
Yes i use it for gaming
its 1920x1080
The ones im playing right now is Aion, LoL and DOTA2 but im planning to get the new Assassins Creed game comming up soon.

I want this computer to be able to play todays game and games in a year or two decently. I care more about the FPS than the graphics, if i need to lower the graphics for higher FPS than be it.

Oh and i want the CPU cooler cuz i heard that the one comming with the cpu package is kinda loud, but that's just what ive found out through some web search.


For the noise it makes sense. The GTX650 is gonna struggle at that resolution unfortunately. Minimum for HD resolution I would ever suggest is a GTX650 ti BOOST. If you can somehow stretch your budget there.
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June 24, 2013 1:39:13 PM

Hmm i did some changes http://www.inet.se/kundvagn/visa/3513786/2013-06-24
I got a bit cheaper RAM but its 4gb now, will that really make an impact considering i usually dont have many applications on at once?
Removed the thermal paste and replaced the GTX650 with GTX660.

What do you mean by GTX650 is gonna struggle? I've looked at alot of reviews and most people are happy about it
As Sakkura suggested, Radeon7770. What do you think about that?
If i get GTX660, won't that mean i have to get a better PSU?
Also, does it matter if the card is from MSI, Asus or Gigabyte?
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Best solution

a c 1218 ) Power supply
a c 578 U Graphics card
a c 110 à CPUs
June 24, 2013 2:38:01 PM

Tev0 said:
Hmm i did some changes http://www.inet.se/kundvagn/visa/3513786/2013-06-24
I got a bit cheaper RAM but its 4gb now, will that really make an impact considering i usually dont have many applications on at once?
Removed the thermal paste and replaced the GTX650 with GTX660.

What do you mean by GTX650 is gonna struggle? I've looked at alot of reviews and most people are happy about it
As Sakkura suggested, Radeon7770. What do you think about that?
If i get GTX660, won't that mean i have to get a better PSU?
Also, does it matter if the card is from MSI, Asus or Gigabyte?


For a system using a single GeForce GTX 660 (non-Ti) graphics card NVIDIA specifies a minimum of a 450 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 24 Amps or greater and that has at least one 6-pin PCI Express supplementary power connector.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Combined Continuous Power/Current Available on the +12V Rail(s) rated at 45°C - 50°C ambient temperature, is the most important factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

The XFX Core Edition 450W 80 + Bronze (P1-450S-X2B9), with its maximum combined +12 Volt continuous current rating of 34 Amps and with one (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to power your system configuration with a single GeForce GTX 660 (non-Ti) graphics card.
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June 24, 2013 3:30:57 PM

Thx for your explanation about how it works.

http://www.inet.se/kundvagn/visa/3514105/2013-06-24
I did some changes, i changed GPU to ASUS Radeon HD7770 and did some minor changes to the tower, DVD reader and got 8GB RAM instead of 4GB.
It's around 600kr less (around 90USD), which is huge difference for me because i'm a student like many other people out there.

I'm not gonna overclock anytime soon, do you think my setup will be good enough to meet my requirements?
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a c 1218 ) Power supply
a c 578 U Graphics card
a c 110 à CPUs
June 24, 2013 3:51:26 PM

Tev0 said:
Thx for your explanation about how it works.

http://www.inet.se/kundvagn/visa/3514105/2013-06-24
I did some changes, i changed GPU to ASUS Radeon HD7770 and did some minor changes to the tower, DVD reader and got 8GB RAM instead of 4GB.
It's around 600kr less (around 90USD), which is huge difference for me because i'm a student like many other people out there.

I'm not gonna overclock anytime soon, do you think my setup will be good enough to meet my requirements?


For a system using a single Radeon HD 7770 GHz Edition graphics card AMD specifies a minimum of a 500 Watt or greater system power supply. The power supply should also have a maximum combined +12 Volt continuous current rating of 23 Amps or greater and have at least one 6-pin PCI Express supplementary power connector.

The XFX Core Edition 450W 80 + Bronze (P1-450S-X2B9) will handle it just fine.

That's quite a huge graphics performance drop going from a GeForce GTX 660 (non-Ti) down to a Radeon HD 7770.

The Radeon HD 7770 will perform better than your original choice of a GeForce GTX 650 at the 1080p resolution you're using.
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June 24, 2013 3:56:50 PM

I wanted to keep it as cheap as possible :) 
I don't really need a better graphics card considering the games i play, Aion is a mmorpg and i will probably keep playing it for a year or two
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a c 1218 ) Power supply
a c 578 U Graphics card
a c 110 à CPUs
June 24, 2013 4:01:33 PM

Tev0 said:
I wanted to keep it as cheap as possible :) 
I don't really need a better graphics card considering the games i play, Aion is a mmorpg and i will probably keep playing it for a year or two


The Radeon HD 7770 GHz Edition shouldn't have any problems rendering that game.
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June 24, 2013 4:40:46 PM

Alright cool, thanks to everyone for answering and helping me out!
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!