My Kingston 2000cl8 2x2Gb whith Hyper chips stable on 1866 7-7-7-20-1T 1,8v and 2133 8-8-8-24 1T 1,8v but i use old Kingston 2000cl9 BBSE 2x1gb kit on 7-9-7-21-1T 1,7v
Asus P8P67 Deluxe + 2600k