Dell XPs 8700 GPU/PSU upgrade

Jblob

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May 17, 2014
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Hello, a friend of mine has bought a dell xps 8700 and wishes to upgrade his GPU to a 270x/280 I am wondering if he will need to upgrade his PSU (I assume so) and if his case will fit. He has a mini ATX mobo with pcie 2.0 x16 and an i7 4770, therefore his bottleneck would be the Nvidia 635.