G.SKILL Ripjaws Z Series 8GB (4 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9Q-8GBZL Cas Latency: 9 Voltage: 1.5V Multi-channel Kit: Quad Channel Kit Timing: 9-9-9-24 Buffered/Registered: Unbuffered Heat Spreader: Yes 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