G.Skill F3-2400C10D-8GTX 8GB (2 x 4GB) DDR3 PC3-19200 2400MHz TridentX Series CL10 (10-12-12-31) Dual Channel kit 8GB G.Skill TridentX DDR3 Dual Channel kit (2x4GB modules) 2400MHz PC3-19200 CL10 (full timings of 10-12-12-31) at 1.65. Engineered specifically for the Intel Z77 platform