I was trying yesterday to get my 1600 to work at 4.1 ghz and i just cant get it stable, i went as far as 1.419v core and the cpu keeps shutting off at like 70% of cb20 run completed, i feel like i might not reach 4.1 whatever i try, also i dont think it's even worth it as my cooler gets pretty loud at 100% fan speed (i set it up so it goes 100% speed above 70c) sad pepe hands.
r5-1600 4.0 1.337vcore 2952 cb20 score max temp 66.5c
amd wraith prism cpu cooler
b450m asus prime motherboard
16gb ddr4 2933mhz oc'd cl 16 hyperx ram
gtx 1050ti 4gb low power