im planing to buy XFX AMD RADEON 7750 -1GB DDR5/XFX ATI Radeon R 7750 1 GB DDR5.. i just want to know will it be compatable with my MSI Z68A-G45(B3) coz it says its DDR5.. and which one should i prefer out of these two.. i'll be buying a PSU of around 450-500 watt
please help
please help