First time messing with my ram, anything obvious I am leaving on the table that would help me get lower latency? Pretty sure sticks are first gen m-die. Stable 12+ hrs TM5 extreme anta, and 1usmus v3. Is Karhu worth the buy?

Edit to add:
DRAM/VDDQ: 1.42
CPU VDDQ: 1.35
CPU VDD2: 1.40