Heres two good options for power supply one is semi-modular and the other full.
https://www.newegg.com/Product/Product.aspx?Item=N82E16817139148&cm_re=cx650m-_-17-139-148-_-Product&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=11552995&PID=8765397&SID=
https://www.newegg.com/Product/Product.aspx?Item=9SIA8EF5UU5984&cm_re=Thermaltake_Smart_Pro_RGB_750W-_-17-153-312-_-Product&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=11552995&PID=8765397&SID=