i found a pc it has a i5 4440 8gb ram ssd 2tb hdd. but it only has a 1gb 635 in it but i dont know if i can upgrade and it does not 6pin connector. in some pcs the pcie slots are maxed to 35 watt i dont know if this pc has that. and if it does is it bad if i go over it. it is a Medion Akoya P5311-G and the motherboard is a ms 7848 ver 1. if you something tell me please