G.SKILL Ripjaws X Series 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9Q-16GBXL 16GB (4 x 4GB) 1600MHz CL9 (9-9-9-24) (PC3 12800) Compatible with Intel LGA1155/LGA1156 and AMD AM3/Llano/AM3+ platformsIntel XMP support for 1st, 2nd and 3rd Generation Intel Core Processors 240 pins - 1.5V; Cas Latency:9 Unbuffered; ECC:NO