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#11
One of the main problem with Dells and other manufacturers is that they use components that do the job and not much more. This means that the PSU, for example, is perfectly capable to power what is already in the system, but for an upgrade (particularly the addition/replacement of a graphics card) I would recommend that the PSU be replaced with one of a higher capacity (wattage). Normally, this is straight forward. However, Dell also uses/used proprietary PSUs that are designed specifically for them (motherboards are also designed to their specifications) and, as such, may or may not use standard ATX wiring on the main 20/24 pin plug (depending on the model/date of your computer).
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