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750 watts power supply enough

im making a custom gaming computer i want to know if 750 watts is enough for this build and to maybe overclock the processor


AMD FX-4170 4.2GHz Quad-Core Socket AM3+ CPU with AMD Virtualization Technology

Western Digital 1 TB RE4 SATA 3 Gb/s 7200 RPM 64 MB Cache Bulk/OEM Enterprise Hard Drive

EVGA GeForce GT 640 2048MB GDDR3 Dual DVI, mHDMI Graphics Cards

GIGABYTE GA-990FXA-UD3 AM3+ AMD 990FX SATA 6Gb/s USB 3.0 ATX AMD Motherboard

CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 15000) Desktop Memory Model

thats all the main components please tell me if this will don or if i should go for the 1000 watt
26 answers Last reply Best Answer
More about watts power supply enough
  1. I'm not familiar with that particular GPU but yes I think 750W will be more than enough, even taking into account OCing.
  2. For that setup you barely need a 500W. What's your budget here? I would probably suggest a completely different system.
  3. my budget it about 600 why will it lag on games like skyrim on high
  4. also im a amd boy i like that there cheap but powerfull even with the fail called bulldozer
  5. Upgrade your GPU to at least an HD7850, then lower your PSU wattage to 550w, that should be more than enough for you to overclock your CPU and power your entire rig.

    What resolution will you be playing your games?
  6. mocchan said:
    Upgrade your GPU to at least an HD7850, then lower your PSU wattage to 550w, that should be more than enough for you to overclock your CPU and power your entire rig.

    What resolution will you be playing your games?



    i want to play highest i can get what do you think i could get on lets say battlefield 3
  7. jerickw said:
    i want to play highest i can get what do you think i could get on lets say battlefield 3

    We don't know what the highest resolution your monitor can support, please be more specific so we can be of more assistance.

    Anyway, here's an Intel rig I whipped up for you that will perform better than the AMD rig you posted.

    Intel Core i3 2120 - http://www.newegg.com/Product/Product.aspx?Item=N82E16819115077

    ASRock H77M - http://www.newegg.com/Product/Product.aspx?Item=N82E16813157303

    Corsair Vengeance 2x4GB 1600Mhz CL9 RAM - http://www.newegg.com/Product/Product.aspx?Item=N82E16820233186

    XFX Core Radeon HD7850 - http://www.newegg.com/Product/Product.aspx?Item=N82E16814150617

    Samsung Sinpoint F3 1TB HDD - http://www.newegg.com/Product/Product.aspx?Item=N82E16822152185

    XFX Core 550w PSU - http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013

    Total comes down to $603.94 with discounts ($15 off on PSU, $15 off on HDD)

    The GPU has a $20 rebate, so that's a total price of $583.94 after all discounts.
  8. i dont have a monitor yet that separate and your positive this will out perform the parts i have selected
  9. mocchan said:
    We don't know what the highest resolution your monitor can support, please be more specific so we can be of more assistance.

    Anyway, here's an Intel rig I whipped up for you that will perform better than the AMD rig you posted.

    Intel Core i3 2120 - http://www.newegg.com/Product/Product.aspx?Item=N82E16819115077

    ASRock H77M - http://www.newegg.com/Product/Product.aspx?Item=N82E16813157303

    Corsair Vengeance 2x4GB 1600Mhz CL9 RAM - http://www.newegg.com/Product/Product.aspx?Item=N82E16820233186

    XFX Core Radeon HD7850 - http://www.newegg.com/Product/Product.aspx?Item=N82E16814150617

    Samsung Sinpoint F3 1TB HDD - http://www.newegg.com/Product/Product.aspx?Item=N82E16822152185

    XFX Core 550w PSU - http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013

    Total comes down to $603.94 with discounts ($15 off on PSU, $15 off on HDD)

    The GPU has a $20 rebate, so that's a total price of $583.94 after all discounts.



    http://www.newegg.com/Product/Product.aspx?Item=N82E16814129230

    how about this gpu would it do any better or be compatible
  10. jerickw said:
    i want to play highest i can get what do you think i could get on lets say battlefield 3


    That setup - you'll barely hit 10FPS, BF3 is one of the most resource intensive games ever made.

    Try something like this:

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    CPU: Intel Core i3-2120 3.3GHz Dual-Core Processor ($109.99 @ Newegg)
    Motherboard: ASRock H77 Pro4/MVP ATX LGA1155 Motherboard ($97.55 @ Newegg)
    Memory: Crucial Ballistix sport 8GB (2 x 4GB) DDR3-1600 Memory ($43.99 @ Newegg)
    Storage: Samsung Spinpoint F3 1TB 3.5" 7200RPM Internal Hard Drive ($74.99 @ Newegg)
    Video Card: Sapphire Radeon HD 6870 1GB Video Card ($164.98 @ Newegg)
    Case: Cooler Master HAF 912 ATX Mid Tower Case ($64.98 @ Newegg)
    Power Supply: Corsair 600W ATX12V Power Supply ($61.98 @ Newegg)
    Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($17.99 @ Newegg)
    Total: $636.45
    (Prices include shipping and discounts when available.)
    (Generated by PCPartPicker 2012-08-02 18:56 EDT-0400)

    The video card isn't as good as the 7850 but this is a far more balanced system.
  11. g-unit1111 said:
    That setup - you'll barely hit 10FPS, BF3 is one of the most resource intensive games ever made.

    Try something like this:

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    CPU: Intel Core i3-2120 3.3GHz Dual-Core Processor ($109.99 @ Newegg)
    Motherboard: ASRock H77 Pro4/MVP ATX LGA1155 Motherboard ($97.55 @ Newegg)
    Memory: Crucial Ballistix sport 8GB (2 x 4GB) DDR3-1600 Memory ($43.99 @ Newegg)
    Storage: Samsung Spinpoint F3 1TB 3.5" 7200RPM Internal Hard Drive ($74.99 @ Newegg)
    Video Card: Sapphire Radeon HD 6870 1GB Video Card ($164.98 @ Newegg)
    Case: Cooler Master HAF 912 ATX Mid Tower Case ($64.98 @ Newegg)
    Power Supply: Corsair 600W ATX12V Power Supply ($61.98 @ Newegg)
    Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($17.99 @ Newegg)
    Total: $636.45
    (Prices include shipping and discounts when available.)
    (Generated by PCPartPicker 2012-08-02 18:56 EDT-0400)

    The video card isn't as good as the 7850 but this is a far more balanced system.


    so what fps you think i could get with this and how does this setup compare to the other posters
  12. g-unit1111 said:
    That setup - you'll barely hit 10FPS, BF3 is one of the most resource intensive games ever made.

    Try something like this:

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    CPU: Intel Core i3-2120 3.3GHz Dual-Core Processor ($109.99 @ Newegg)
    Motherboard: ASRock H77 Pro4/MVP ATX LGA1155 Motherboard ($97.55 @ Newegg)
    Memory: Crucial Ballistix sport 8GB (2 x 4GB) DDR3-1600 Memory ($43.99 @ Newegg)
    Storage: Samsung Spinpoint F3 1TB 3.5" 7200RPM Internal Hard Drive ($74.99 @ Newegg)
    Video Card: Sapphire Radeon HD 6870 1GB Video Card ($164.98 @ Newegg)
    Case: Cooler Master HAF 912 ATX Mid Tower Case ($64.98 @ Newegg)
    Power Supply: Corsair 600W ATX12V Power Supply ($61.98 @ Newegg)
    Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($17.99 @ Newegg)
    Total: $636.45
    (Prices include shipping and discounts when available.)
    (Generated by PCPartPicker 2012-08-02 18:56 EDT-0400)

    The video card isn't as good as the 7850 but this is a far more balanced system.


    I second this. 6870 is still a very modest card and can play most of today's titles on high settings @ 1080p. Saves OP some money and has decent performance.
  13. jerickw said:
    so what fps you think i could get with this and how does this setup compare to the other posters


    Both builds are about comparable, I included a slightly lesser video card but the dent in the budget - you can either upgrade the CPU to the i5-3450 or the video card, either one.
  14. jerickw said:
    so what fps you think i could get with this and how does this setup compare to the other posters


    I would guess around 40-50FPS average @ 1080p with the High Preset on Skyrim. That's around the FPS my brother got on his 6870.
  15. the build g-unit made is pretty good but theHD 7870 isnt really the best choice for that budget.Its just outclasses by overclocked GTX 560's like this one.
    http://www.newegg.com/Product/Product.aspx?Item=N82E16814121446
  16. Kamen_BG said:
    the build g-unit made is pretty good but theHD 7870 isnt really the best choice for that budget.Its just outclasses by overclocked GTX 560's like this one.
    http://www.newegg.com/Product/Product.aspx?Item=N82E16814121446



    anyone able to second this
  17. I personally wouldn't recommend the GTX560, it's the lowest performing card out of the two g-unit and I have recommended.

    http://www.hwcompare.com/11005/geforce-gtx-560-vs-radeon-hd-6870/ <-G-unit's recommendation of an HD6870

    http://www.hwcompare.com/12039/geforce-gtx-560-vs-radeon-hd-7850/ <-My recommendation of an HD7850
  18. mocchan said:
    I personally wouldn't recommend the GTX560, it's the lowest performing card out of the two g-unit and I have recommended.

    http://www.hwcompare.com/11005/geforce-gtx-560-vs-radeon-hd-6870/ <-G-unit's recommendation of an HD6870

    http://www.hwcompare.com/12039/geforce-gtx-560-vs-radeon-hd-7850/ <-My recommendation of an HD7850


    thanks so much for all of the help i have a new build setup so need know if i should go with it or one of current ones

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    CPU: Intel Core i3-2120 3.3GHz Dual-Core Processor ($109.99 @ Newegg)
    CPU Cooler: Rosewill RCX-Z90-CP 62.5 CFM Sleeve Bearing CPU Cooler ($9.99 @ Newegg)
    Motherboard: Gigabyte GA-B75M-D3H Micro ATX LGA1155 Motherboard ($74.99 @ Newegg)
    Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($40.99 @ Newegg)
    Storage: Samsung Spinpoint F3 1TB 3.5" 7200RPM Internal Hard Drive ($74.99 @ Newegg)
    Video Card: XFX Radeon HD 6770 1GB Video Card ($109.99 @ Amazon)
    Sound Card: Rosewill RC-701 Sound Card ($14.98 @ Newegg)
    Case: Antec Three Hundred Illusion ATX Mid Tower Case ($69.99 @ Newegg)
    Power Supply: Silverstone 600W ATX12V / EPS12V Power Supply ($69.64 @ Newegg)
    Total: $575.55
    (Prices include shipping and discounts when available.)
    (Generated by PCPartPicker 2012-08-02 19:44 EDT-0400)
  19. jerickw said:
    thanks so much for all of the help i have a new build setup so need know if i should go with it or one of current ones

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    CPU: Intel Core i3-2120 3.3GHz Dual-Core Processor ($109.99 @ Newegg)
    CPU Cooler: Rosewill RCX-Z90-CP 62.5 CFM Sleeve Bearing CPU Cooler ($9.99 @ Newegg)
    Motherboard: Gigabyte GA-B75M-D3H Micro ATX LGA1155 Motherboard ($74.99 @ Newegg)
    Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($40.99 @ Newegg)
    Storage: Samsung Spinpoint F3 1TB 3.5" 7200RPM Internal Hard Drive ($74.99 @ Newegg)
    Video Card: XFX Radeon HD 6770 1GB Video Card ($109.99 @ Amazon)
    Sound Card: Rosewill RC-701 Sound Card ($14.98 @ Newegg)
    Case: Antec Three Hundred Illusion ATX Mid Tower Case ($69.99 @ Newegg)
    Power Supply: Silverstone 600W ATX12V / EPS12V Power Supply ($69.64 @ Newegg)
    Total: $575.55
    (Prices include shipping and discounts when available.)
    (Generated by PCPartPicker 2012-08-02 19:44 EDT-0400)


    Save $10 and ditch the CPU cooler, that's not a lot better than the one the Intel CPU already provides.

    Invest that $10 into a better GPU ---> http://www.newegg.com/Product/Product.aspx?Item=N82E16814102908

    It's only $20 more expensive after the rebate than your current 6770 and it will perform much better.
  20. mocchan said:
    Save $10 and ditch the CPU cooler, that's not a lot better than the one the Intel CPU already provides.

    Invest that $10 into a better GPU ---> http://www.newegg.com/Product/Product.aspx?Item=N82E16814102908

    It's only $20 more expensive after the rebate than your current 6770 and it will perform much better.


    heres updated list anything else

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    CPU: Intel Core i3-2120 3.3GHz Dual-Core Processor ($109.99 @ Newegg)
    Motherboard: Gigabyte GA-B75M-D3H Micro ATX LGA1155 Motherboard ($74.99 @ Newegg)
    Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($40.99 @ Newegg)
    Storage: Samsung Spinpoint F3 1TB 3.5" 7200RPM Internal Hard Drive ($74.99 @ Newegg)
    Video Card: Asus Radeon HD 6850 1GB Video Card ($137.55 @ Newegg)
    Sound Card: Rosewill RC-701 Sound Card ($14.98 @ Newegg)
    Case: Antec Three Hundred Illusion ATX Mid Tower Case ($69.99 @ Newegg)
    Power Supply: Silverstone 600W ATX12V / EPS12V Power Supply ($69.64 @ Newegg)
    Total: $593.12
    (Prices include shipping and discounts when available.)
    (Generated by PCPartPicker 2012-08-02 20:02 EDT-0400)
  21. http://www.newegg.com/Product/Product.aspx?Item=N82E16813157303 Get this motherboard over the Gigabyte B75.

    B75 WILL support 1600Mhz memory, but people have reported some issues that won't allow them to run at that frequency.
    B75 is also more oriented for Businesses rather than a home user. H77 will do the same and even more for you at the same price point.

    Other than that, everything looks good.
  22. mocchan said:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16813157303 Get this motherboard over the Gigabyte B75.

    B75 WILL support 1600Mhz memory, but people have reported some issues that won't allow them to run at that frequency.
    B75 is also more oriented for Businesses rather than a home user. H77 will do the same and even more for you at the same price point.

    Other than that, everything looks good.


    so this should be my final build then for this price?

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    CPU: Intel Core i3-2120 3.3GHz Dual-Core Processor ($109.99 @ Newegg)
    Motherboard: ASRock H77M Micro ATX LGA1155 Motherboard ($74.99 @ Newegg)
    Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($40.99 @ Newegg)
    Storage: Samsung Spinpoint F3 1TB 3.5" 7200RPM Internal Hard Drive ($74.99 @ Newegg)
    Video Card: Asus Radeon HD 6850 1GB Video Card ($137.55 @ Newegg)
    Sound Card: Rosewill RC-701 Sound Card ($14.98 @ Newegg)
    Case: Antec Three Hundred Illusion ATX Mid Tower Case ($69.99 @ Newegg)
    Power Supply: Silverstone 600W ATX12V / EPS12V Power Supply ($69.64 @ Newegg)
    Total: $593.12
    (Prices include shipping and discounts when available.)
    (Generated by PCPartPicker 2012-08-02 20:10 EDT-0400)
  23. Best answer
    Yes, that should do perfect for your price point. Very well balanced :)
  24. thanks for all of the help
  25. Best answer selected by jerickw.
  26. You're very welcome :)
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