G.SKILL Ripjaws Series 24GB (6 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model F3-10666CL9T2-24GBRL 24GB DDR3 Triple Channel kit (6x4GB) Ripjaw Heatsinks PC3-10666, 1333MHz, CL9-9-9-24