G.SKILL Ripjaws Z Series 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL7Q-16GBZM Cas Latency: 7 Voltage: 1.5V Multi-channel Kit: Quad Channel Kit Timing: 7-8-8-24 Buffered/Registered: Unbuffered Features: Quad channel memory designed for Intel LGA2011 and X79 systems Compatible with Intel LGA1155/LGA1156 and AMD AM3/Llano/AM3+ platforms Intel XMP support for 1st, 2nd and 3rd Generation Intel Core Processors