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July 30, 2012, 02:19:03 AM |
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All comments as to the economics of building a new rig now aside (it is not a good way to make money, and is by no means a get rich quick scheme), a comment on hardware:
If you try to run a discrete graphics card on that PSU (if it even has the right cables for it), you will almost certainly overwhelm it, and when it fails it could easily damage other components. If the motherboard has enough PCIe slots for the graphics cards you want and the case can accommodate it, upgrading will be your best bet. Just know that you'll NEED a higher capacity PSU. You may or may not also need a new case and motherboard to accommodate the cards. Also, note that a lot of Dell computers use the BTX form factor, as opposed to the standard ATX and ATX derived form factors that you'll see in cases that you can buy from (e.g.) newegg.com. If you have a BTX form factor computer, don't even bother. I helped a friend "upgrade" a BTX Dell a few months ago and all that he managed to save was the Hard Drive and GPU (he only wanted to upgrade CPU, but that meant new Mobo, which meant new RAM. The Mobo didn't fit the old case, and the PSU didn't fit the new one. Cost him hundreds to come up with a working computer).
tl;dr: Upgrade is cheapest, but get a new power supply. If your case is BTX form factor, don't bother. Neither upgrading nor building new will get you a huge profit, and making back your initial investment is not even guaranteed.
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