G.SKILL Ripjaws X Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM 2133 (PC3 17000) Desktop Memory Model F3-2133C11D-16GXL DDR3 2133 (PC3 17000) Timing 11-13-13-31 Cas Latency 11 F3-2133C11D-16GXL 16GB (2 x 8GB)