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Please help me choose my power supply

hello guys,i want to buy a gpu and a power supply
i have a pc that i bought in 2009,here is its configuration

CPU: intel core 2 duo e7400 2.8 ghz fsb1066 mhz

MOBO: gigabyte g45-ud2h g45+ichr10

RAM:2 gb transcend 800 mhz (1+1) dual channel

HDD: 500 gb 7200rpm western digital

PSU:Chinese 400 watt low quality

GPU:intel hd4500x with dx10 sm4 support

DVD:asus 24x dvd writer

Case: delux high quality thermal case with 2 rear 80mm fans

Montior: samsung syncmaster 19" 5ms Widescreen LCD Monitor with vga adapter resulation1366x768

so you guys can see that my build lack in 3 items generally(of course there are other things but i donot have money)
those are gpu, power supply,ram

in my region only thermal take power supply,sapphire-gygabyte-asus gpu ,transcend ram is found so i am stuck with these
but i donot know which model is suitable for me please refer me some models

the things i want to do with my pc:gaming ,3d rendering,programming,ai(artificial intelligence)computing, office and graphics work.

N.B: i am thinking of upgrading its cpu and motherboard in 18 months

here are some models that i am thinking to be suitable

1. power supply

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007657%2050001379%20600014021&IsNodeId=1&bop=And&CompareItemList=58%7C17-153-114%5E17-153-114-TS%2C17-153-125%5E17-153-125-TS%2C17-153-140%5E17-153-140-TS%2C17-153-151%5E17-153-151-TS

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007657%2050001379%20600014019&IsNodeId=1&bop=And&CompareItemList=58%7C17-153-023%5E17-153-023-TS%2C17-153-138%5E17-153-138-TS%2C17-153-150%5E17-153-150-TS

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007657%2050001379%20600014022&IsNodeId=1&bop=And&CompareItemList=58%7C17-153-131%5E17-153-131-TS%2C17-153-129%5E17-153-129-TS%2C17-153-152%5E17-153-152-TS%2C17-153-126%5E17-153-126-TS%2C17-153-116%5E17-153-116-TS

2.graphics card

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007709%2050001561%204017&IsNodeId=1&bop=And&CompareItemList=48%7C14-102-948%5E14-102-948-TS%2C14-102-924%5E14-102-924-TS

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007709%2050001315%204017&IsNodeId=1&bop=And&CompareItemList=48%7C14-121-477%5E14-121-477-01%23%2C14-121-478%5E14-121-478-01%23%2C14-121-446%5E14-121-446-TS%2C14-121-391%5E14-121-391-TS%2C14-121-418%5E14-121-418-TS

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007709%2050001314%204017&IsNodeId=1&bop=And&CompareItemList=48%7C14-125-383%5E14-125-383-TS%2C14-125-367%5E14-125-367-TS%2C14-125-333%5E14-125-333-TS%2C14-125-357%5E14-125-357-TS

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007709%2050001315%204017&IsNodeId=1&bop=And&CompareItemList=48%7C14-121-466%5E14-121-466-TS%2C14-121-420%5E14-121-420-TS%2C14-121-418%5E14-121-418-TS%2C14-121-391%5E14-121-391-TS%2C14-121-446%5E14-121-446-TS

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007709%204017%20600083901%20600083829&IsNodeId=1&bop=And&CompareItemList=48%7C14-102-948%5E14-102-948-TS%2C14-125-357%5E14-125-357-TS%2C14-102-924%5E14-102-924-TS%2C14-150-561%5E14-150-561-TS%2C14-150-521%5E14-150-521-TS

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007709%2050001669%204017%20600083901%20600083829&IsNodeId=1&bop=And&CompareItemList=48%7C14-150-561%5E14-150-561-TS%2C14-150-521%5E14-150-521-TS

http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007709%20600094002%204018%20600107147&IsNodeId=1&bop=And&CompareItemList=48%7C14-121-424%5E14-121-424-TS%2C14-125-363%5E14-125-363-TS%2C14-121-425%5E14-121-425-TS%2C14-125-401%5E14-125-401-TS

so guys i have tried my best to make this post as detail as possible so please give your replies as detail too.

thank you very much

nibir2011
15 answers Last reply
More about please choose power supply
  1. The Toughpower XT 575, 675 and Toughpower Grand 650W are the best of the ones in those lists. The TR2-700P recently received a positive review at Hardwaresecrets so you would probably be okay getting that one as well.

    If your programs use CUDA then it would make sense to get the highest end Nvidia card (GTX 460 or 560) you can. Otherwise the 6870 is what I would get.
  2. I agree, it sounds like you are doing some big stuff which should get a boost from CUDA. Go buy the nVidia card with the most CUDA cores you can afford, and a PSU to match it.
    If your software does not support CUDA then I would highly suggest refreshing your core system instead as it is very outdated for such use.
  3. caedenv

    you mean i need to change my processor to use cuda
  4. man cannot buy these i cannot buy from web i can buy only from stores so i am stuck with these

    but i have short listed two gpus 1.gtx 560ti 2.hd6870

    dont know which to choose

    please give me some advice about the power supply
  5. I'm in agreement with Silvune's list of units.
    If you can find the new improved TR2 700 Bronze = best bet.

    http://www.hardwaresecrets.com/article/Thermaltake-TR2-700-W-Power-Supply-Review/1422/1
  6. From all of the graphics cards you've listed the GeForce GTX 560 Ti draws the most power.

    For a system running with a single GeForce GTX 560 Ti graphics card NVIDIA specifies a minimum of a 500 Watt or greater power supply having a combined +12 Volt continuous current rating of 30 Amps or greater and having at least two 6-pin PCI-Express supplementary power connectors.

    Of the power supply units you've listed, only four are really worthy of consideration as listed by @Silvune and @davcon and will handle any of the graphics cards you've listed:

    Thermaltake TR2 Series 700W (TR-700P) (TR2-700AH2NFB) with its +12 Volt continuous current rating of 57 Amps and with two 6-pin & two 6+2-pin PCI-Express supplementary power connectors

    Thermaltake Toughpower XT 575W (TPX-575M) with its +12 Volt continuous current rating of 48 Amps and with one 6-pin & one 6+2-pin PCI-Express supplementary power connectors

    Thermaltake Toughpower XT 675W (TPX-675M) with its +12 Volt continuous current rating of 56 Amps and with two 6-pin & two 6+2-pin PCI-Express supplementary power connectors

    Thermaltake Toughpower Grand 650W (TPG-650M) with its +12 Volt continuous current rating of 52 Amps and with two 6-pin & two 6+2-pin PCI-Express supplementary power connectors
  7. i really need to know that if i buy a thermaltake toughpower xt 675 watt will it be enough for sli in future.

    another important thing how big case and how many fans are needed to keep my gpus under 60 celcias at load.

    because they can be run for about 10-12 hours per day .

    any suggestion
  8. For a system running with two GeForce GTX 560 Ti graphics cards in 2-way SLI mode a power supply with a +12 Volt continuous current rating of 44 Amps or greater and with at least four 6-pin PCI-E Supplementary Power Connectors is recommended.

    The Thermaltake Toughpower XT 675W (TPX-675M) meets all of the requirements and even has ample reserve capacity.

    What is the room temperature where this system is going to be running?
  9. room temperature can be from 25 degrees at winter and 40 degrees at summer

    N.B. i donot have a ac in my room
  10. more replies please
  11. Quote:
    another important thing how big case and how many fans are needed to keep my gpus under 60 celcias at load.

    room temperature can be from 25 degrees at winter and 40 degrees at summer

    N.B. i donot have a ac in my room

    All of the cards you've listed are going to be dumping at least half or more of their heat load back into the case because of their GPU cooler design.

    Keeping your GPUs under 60°C at full load on air cooling using the stock GPU coolers, in the 25°C to 40°C room temperature range that you've specified, isn't ever going to happen. You can't violate the laws of thermodynamics.

    Even in a test lab kept at 21°C with the graphics card in an open air environmrent where none of the heat load is recirculated:

    Radeon HD 6870
    Idle GPU Temperature: 40°C
    Load GPU Temperature - Crysis: 72°C
    Load GPU Temperature - FurMark: 81°C

    GeForce GTX 560 Ti
    Idle GPU Temperature: 28°C
    Load GPU Temperature - Crysis: 75°C
    Load GPU Temperature - FurMark: 79°C
  12. you mean even how many fans i use it is not going to stay under 60°C at full load

    but still the question remains how big case and how many fans are needed to keep

    my gpus under desirable Temperature so that my cpu,mobo and gpu do not get fried
  13. NVIDIA states a Maximum GPU Temperature 99°C for the GeForce GTX 560 Ti. The graphics card will most likely start producing graphics artifacts before it even reaches that temperature.

    Your case description "Case: delux high quality thermal case with 2 rear 80mm fans" doesn't tell me much.

    80mm fans are considered rather small and they are noisier when they have to deliver a high air flow.

    Get a large case with at least two 120mm intake fans and two or three 120mm exhaust fans with good air flow.
  14. my current case is this one

    delux
    http://www.hardwarest.com/product/Delux-DLC-MG432-450W-Silver-black-120314.html

    if my case above is not suitable

    i have also short listed some cases that i can access and within my budget

    thermaltake Element G
    1.http://www.ucc-bd.com/thermaltake-chassis-element-g.html

    Thermaltake Element V Black Edition
    2.http://www.ucc-bd.com/element-v-black-edition-black-win-secc.html

    Thermaltake Armor A60 AMD Edition
    3.http://www.ucc-bd.com/thermaltake-armor-a60-amd-edition-black-win-secc.html
    note that it has a Graphic card length limitation: 305mm can that be a problem.amd sign is not a problem for me

    Thermaltake V9 BlacX Edition
    4.http://www.ucc-bd.com/thermaltake-v9-blacx-edition-black-win-secc.html
    note that it has a Graphic card length limitation: 244mm can that be a problem

    please give me some suggestion
    thanks in advance
  15. I wouldn't pay too much for a Thermaltake case.
    Thermaltake is low on my list for a case maker.
    Save your money for other stuff.
    I would go with the Dokker or V6.
    http://www.ucc-bd.com/products-1/search-brand/thermaltake.html?p=2
    I agree you need a better case then what you have atm.
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