you have 7010 SFF motherboard, the socket is lga1155 which is incompatible with intel 4th gen cpu. i7-4790 is only compatible with socket lga1150.  Optiplex  7020/9020/3020 or XE2 have socket lga1150.
I have an i7-4790 /SR1QF 3.86GHz cpu I would like to use if possible.    Will the socket type on my 0WR&PY version A01 mother board accept an i7-4790?    Do I need to do some thing with my BIOS, power supply  etc etc. Thank you
CPU socket type on 7010 0WR&PY version A01 mother board