Samsung Electronics Extreme Low Voltage 30nm UDIMM 4 Dual Channel Kit DDR3 1600 (PC3 12800) 240-Pin DDR3 SDRAM MV-3V2G3D/US Very Low Profile--two-thirds as wide as conventional memory modules Extreme low voltage--high performance with very low energy consumption for superior overclocking without large and expensive heatsinks Engineered for dual-channel architecture Add 4 GB (kit contains two 2 GB modules) of memory to your DDR3-compatible desktop or server Compatible with PC3-12800, PC3-10600, PC3-8500, PC3-6400 memory solutions Add 4 GB (kit contains two 2 GB modules) of memory to your DDR3-compatible desktop or server Engineered for dual-channel architecture Compatible with PC3-12800, PC3-10600, PC3-8500, PC3-6400 memory solutions Extreme low voltage--high performance with very low energy consumption for superior overclocking without large and expensive heatsinks Very Low Profile--two-thirds as wide as conventional memory modules Backed by a limited lifetime warranty 100% genuine Samsung components individually tested and certified From the #1 manufacturer of DRAM in the World