Is a 450W PSU sufficient for my PC?

Anuj S December 13, 2013
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I have decided to buy a new Zotac Geforce GTX 650ti Amp! Edition and I have a 450W Frontech PSU. Will this PSU provide enough power to this GPU?
My current specs are –

Intel i3 3rd Gen 3210 @ 3.2Ghz (Dual Core)
1x4GB ram @ 1333Mhz (I plan to upgrade it to 2x4GB ram later on)
An Intel DCHO61 Motherboard

I can also buy a Zotac Geforce GTX 650ti Boost edition if the PSU is sufficient enough.
Thanks

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  1. Susendeep D
    December 22, 2013 at 2:55 pm

    You must heed to the suggestion of Gen D i.e. verify whether the company you are purchasing PSU is certified and will supply 450 W and not half of that.

    If you want to buy from reputed brands,you can consider Cosair,Antec etc..

  2. Gen D
    December 20, 2013 at 4:09 am

    450watts is sufficient for the hardware listed, but I do have to question the quality of the power supply. What model is it exactly? Trying to find information a "Frontech 450watt psu" results in nothing concrete as far as who makes that unit or its quality, which typically suggests its not a good unit and should be avoided.

    Quality of the psu is just as important as the wattage as they typically go hand in hand; it's quite common for low quality units to be over rated for the amount of power they can safely provide (be rated for 500watts, but can only truly output 200watts of power), have poor or no protection, high ripple and poor voltage regulation - all things that at best make for a poor experience and an unstable computer and at worst, can destroy your hardware, possibly even result in a fire.

  3. Alan W
    December 13, 2013 at 5:53 pm

    Your PSU will be fine is the short of it.

  4. Hovsep A
    December 13, 2013 at 4:52 pm

    450 W power supply would be enough for your system, but you will need 500W and more if you are to overclock the GPU and the processor....

    for your graphic card 450W is recommended. 140W is the max power consumption
    http://www.zotacusa.com/specsheet/ZT-61201-10M.pdf

    you can estimate your power need with eXtreme Power Supply Calculator
    http://extreme.outervision.com/index.jsp

    Thermaltake Power Supply Calculator
    http://www.thermaltake.outervision.com/

    Recommended Power Supply Wattage Calculator
    http://support.asus.com/powersupply.aspx

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