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Thursday, 9 May 2013



All of us are very enthusiastic when it comes to bulding our own PC. We select all the components that we need ranging from processors, GPUs and RAMs to name a few but we often forget or rather ignore the importance of a good & adequate PSU.

A PSU or Power Supply Unit is also known as SMPS or Switch Mode Power Supply, this component is responsible for handeling all the power requirements of your rig. So whenever you build a PC just keep in mind to pick up the right PSU that will matchup to all your components power requirements to keep them working safe n to their max potential.


There is no single, universal rule for selecting a high-quality power supply. Nevertheless, various indicators provide circumstantial evidence of PSU quality, and some guidelines are generally helpful. So just keep the following points in mind:

  • Always buy a power supply from a reputable manufacturer, and look for reviews of it before you buy. Avoid cheap, generic power supplies, which tend to be substandard. Look for reputable brands that offer solid warranties and support. Corsair, Seasonic, and Antec are three manufacturers with reputations for producing high-quality power supplies. If you go for Indian manufactureres then go for VIP. Do not go for cheap ones atall a good PSU is the backbone of all your components.
  • You should also check the PSU's connectors to confirm the unit is compatible with your particular system. The term 20+4 pin refers to a connector that can function as either a 20-pin connector or a 24-pin connector. In the 6+2 pin connector shown at right, you can snap two of the pins in the connector on or off to suit your needs.
    The vast majority of consumer PCs use standard ATX power supplies. Smaller units and units specially designed for enterprise and server applications are also available; but for common desktop systems, ATX power supplies are it.
  • All the vital system components work on the 12V rails ie they consume power on this particular volatge so whenever you pick a PSU just check that it is delivering a high output current on the 12V rail. An ideal PSu would deliver atleast 20W of power on the 12V rail just like in this particular one it is delivering 52A of current on the required frequency:


  • Just in case it is a dual rail PSU then add up the output of both the 12V rails n the see the total like in the one below:


Manufacturers usually list their power supplies' output in watts. A higher-watt PSU can supply more power. Desktop power supplies have a power output rating of from 200 watts to 1800 watts.
Ideally your unit will delivers plenty of power to your components and offers some extra headroom in case you want to attach additional components later. Most power supplies hit their peak efficiency levels with loads in the range of 40 to 80 percent. Building to about 50 to 60 percent of a PSU's capacity is advisable to achieve maximum efficiency and yet leave room for future expansion.
For example, if the maximum power or combined TDP (total design power) of your system’s present components is 300 watts, a 600-watt PSU would be a good fit. In a high-end system loaded with components that may peak collectively at 700 watts, a 1200-watt PSU would work well. You can get by with lower-capacity units if you don’t think you’ll ever need to expand your system, but if you can afford it, choosing a higher-capacity PSU is a better bet. 
Just incase you are still unsure you can use The Thermaltake Power Supply Calculator to help you out.


Just in case you are still doubtful then just leave a comment & your question i'll get back to you ASAP with the appropriate answer to your problem.


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  1. hey i wanna run a 3rd gen pentium g2010 with 4gb ddr3-1333 ram, a radeon hd 7770 and a h61 based motherboard with 2 fans would 400W PSU on the Cooler Master Elite 310 do good

    1. Yes it would do fine the graphic cards is an energy friendly one and other components are very much in the 400W range so you'll be running it quite smoothly.
      If you have any further questions then feel free to ask.....

  2. hi, can you suggest some budget gaming configuration with Intel core i3 and also i am using windows 8.1.

    1. Hello,
      For a budget gaming PC using Intel i3 the below configuration will be ideal:

      CPU: Intel i3 4130 dual core processor Rs 8000
      Motherboard: Gigabyte 85MD3H Rs 5000
      RAM: G.Skill Aegis 8GB (4+4) DDR3 Rs 3600
      Graphics Card: GTX 750ti 2GB DDR5 Rs 9500
      HDD: Seagate Barracuda 1 TB Rs 3500
      PSU: Antec VP550 550W Rs 4500
      Cabinet: Zebronics Duke Full Tower Rs. 1200

      Since I'm not aware of your exact budget so I've included the very best in the minimum of cost but you can can ask me if you have any doubts regarding the components.

  3. Hi can u suggest me a budget gaming pc using cpu i5 6600k with motherboard:gigabyte h170m d3h.under 40000 only

    1. Hello,
      For this budget and the components that you've mentioned the configuration would be as follows -
      Processor: Intel i5 6600K 3.5Ghz LGA 1151 Rs 18000
      Cooler: Cooler Master Hyper 212X Rs 3200
      Motherboard: Gigabyte H170m D3H Rs 9000
      RAM: G skill Ripjaws V DDR4 8 GB (2 X 4GB)Rs 3700
      HDD: WD Caviar Blue 1TB Rs 4200
      Graphics Card: Zotac nVidia GT 730 2GB DDR5 Rs 6300
      PSU: Antec VP450P 450W Rs 3000
      Cabinet: Any brand Rs 1000

      Now this is the optimum you can get with that processor and will cost you approx Rs 48000, since the processor doesn't come with a cooler you need to add one and I've added the least you should get for a processor like that still you can get the Deepcool Gammaxx 300 if you want to cut cost but don't expect any overclocking out of your processor in that case.