G.SKILL NS Series 4GB 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-1600C11S-4GNS Cas Latency: 11 Voltage: 1.5V Timing: 11-11-11-28 Buffered/Registered: Unbuffered Features: Compatible with Intel LGA1155/LGA1156 and AMD AM3 8-series/APU/AM3+ platforms Plug and play without BIOS configuration 1.5V low voltage Older generation platforms, such as Intel LGA-775 and AM3 7-series systems, may not be supported.