G.SKILL Ares Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 2400 (PC3 19200) Desktop Memory Model F3-2400C11D-8GAB 8GB G.Skill Ares Low-profile Series (33mm height) Dual channel kit 2x4GB DDR3 2400MHz PC3-19200 CL11 (11-13-13-31) Blue aluminium heatsinks