Hi I have an hp compaq pro 6300 sff with 240 w psu i3 processor 3.30 ghz ,8 g ram running win 10 with on-board intel hd graphics "2g" 1, can the m/board fit in to a hp sr5109uk tower . 2, ..if not can you recommend a gpu to install 3, what m/board will fit what my i3 will work in ..thanks for looking an for your time