Sell this junk H100i and get yourself either Noctua D15 or Raijintek Tisis. On Tisis + Thermal Grizzly Conductonaut I pushed my 4690k to 4.8GHz with 92C under Prime95 (stable but rolled down to 4.7GHz to be able to overclock RAM to 2200MHz from 1866MHz) and in up to mid 60s in CPU intensive games. I also managed to get 5GHz with low 80s in Tera Online, was stable for a few hours and I rolled back cuz temps were obviously too high
. Not delided, mind you. Don't touch Cache Ratio as its pointless on these i5s, will either do nothing or hurt performance by a bit.
Don't get suggested by CPU-Z Voltage, it reads VID from Z97 Hero, use HWiNFO and search for Vcore zero to three. If VID of 1.22V is necessary to keep 4.3GHz then you'll most likely hit a wall at 4.7GHz with 1.4V if you manage to keep temps in check by replacing this garbage AiO.