G.SKILL NS Series 4GB 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10600) Desktop Memory Model F3-1333C9S-4GNS Cas Latency: 9 Voltage: 1.5V Timing: 9-9-9-24 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.