So I tried OC'ing G Skill to 2400 and it's stable. 15-15-15-35 with tRFC 362. I used the numbers from G-Skill desktop timings that Anandtech listed and adjusted to that.
I ran Prime95 stressor that uses a lot of ram, and it's stable.
I ran Prime95 stressor that uses a lot of ram, and it's stable.