Why Build Your Own Custom Computer Configuration?
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It goes without saying that when building your own computer configuration you have to purchase a separate power supply because even of many computer case come with integrated power supplies they are usually mediocre both in terms of the available power delivered to the components as well as temperature and cooling issues. Usually, the computer case manufacturers are not dedicated power supplies developers and they sell their cases with a standard off the shelf power supply that they think fit. This is not the case as your computer configuration may have extensive power consumption given the fact that all the components are top line products.
This means you have to do a complete picture or scheme of the entire computer configuration that you have came up with and sum up all the maximum power consumptions for each component so that you can assess in the most realistic manner the whole power consumption of the configuration so that you can adjust the power needed to be provided by the power supply. I personally recommend, after making numerous custom computer configurations, that you choose a power supply that is able to deliver more than 600 W and sometimes even that value may be too small. As we are talk of a hardware configuration that requires lots of power you cannot overlook this aspect. You might buy all the components and a random power supply and after assembling the configuration on the chassis of the case and pressing the power button your system may not start at all because either the overall power consumption is too much for the power supply to handle.
Here are some of the models that you can buy and that I think fit for the system you are trying to build ground – up by using the articles I wrote here on Digitalnerds.com: the Antec Earth Watts EA-650 W Green ( $ 140 ), the Corsair CMP SU–600 CXV2 600W ($ 100) or the CTG–600–80P from Chieftec rated at 600 W ($ 100). Setting up a custom system requires not a top budget but if you do not want any compromises on performance you will have to get over that aspect and break the piggy bank. In addition, even in this segment you can sometimes find very good offers and you have to consider the real efficiency of a component, because not infrequently available hardware is more powerful than the stresses to which it is subjected to by the applications or games that you want to run.