For my pc specs, I was told to choose a GTX 970 with a 500w power supply and i've come down to 2 options, https://www.amazon.co.uk/gp/product/B00NSXYEQW/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=A2LNOP4UQZJ1 and https://www.amazon.co.uk/gp/product/B00NOP536Y/ref=ox_sc_act_title_2?ie=UTF8&psc=1&smid=A3P5ROKL5A1OLE