Dell XPS 8900 GTX 1070 HD

Dell XPS 8900 with stock PSU (460w) running GTX 1070. Stock System info: CPU: i7 6700 GPU: GT 740 2 GBs (upgraded to GTX 960 then GTX 1070) RAM: 16 GBs DDR4 (added 16 GBs) HD: 1 TB hard drive (added 500 MB SSO) Upgrades: GPU: EVGA 1070 SC bought here (original price $449.99): http://www.newegg.com/Product/Product.aspx?Item=N82E16814487265 RAM: Crucial 16GB Kit (8GBx2) DDR4 2133 (paid $63.44): https://www.amazon.com/gp/product/B00MMLUYQK/ref=oh_aui_detailpage_o08_s00?ie=UTF8&psc=1 HD: Samsung 850 EVO 500 GB M.2 (paid $132.97): https://www.amazon.com/gp/product/B00TGIW1XG/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1 Stock PSU (460 watts) using GTX 1070 with wattage meter. Game play video: https://www.youtube.com/watch?v=Gb6UEiFP1ys