Yep, the 2400s will run 2666/11 at 1.65 and 2800 with a looser CL12 at 1.7, (I've got the true 2666 and 2800 sets in my 1150 rigs, the 2400's may end up in my AMD rig, although in the testing I've been doing on AMD, the best performance from a 2400/10 set has been a set of Team Xtreem (just slightly better than the Tri's and both a little better than a Vengeance Pro 2400/10 set