Downclock + tighten RAM

berez

Honorable
Jul 13, 2013
1
0
10,510
I have a 8GB 2x4gb kit corsair vengance rated at 9-11-10-30 1.5v running at 2133 Mhz

I want to downclock it to 1866 MHz

How far low could I tighten the timings on my ram?