Hi guys its my first post here and i hope i can get some help. i would like to upgrade my current APU(AMD a6-5400k) and my Motherboard(Emaxx a55fm2hd) to Amd A10 7870k with MSI A68hm-e33 V2. my question is, can i still use my old GPU Sapphire radeon r7-240 2gb ddr3 and my Ram(Team elite 2x4gb 1333mhz) ?? i need help pls.