Samsung-IMSourcing 16GB DDR3 SDRAM Memory Module - 16 GB (1 x 16 GB) - DDR3-1600/PC3-12800 DDR3 SDRAM - CL11 - 1.35 V - ECC - Registered - 240-pin - DIMMMemory Size: 16 GBMemory Technology: DDR3 SDRAMMemory Voltage: 1.35 VNumber of Modules: 1 x 16 GBMemory Speed: 1600 MHzMemory Standard: DDR3-1600/PC3-12800Error Checking: ECCSignal Processing: RegisteredCAS Latency: CL11Number of Pins: 240-pinForm Factor: DIMMThickness: 150 milWidth: 1.2Length: 5.3"Weight (Approximate): 1.60 ozEnvironmentally Friendly: YesEnvironmental Certification: RoHS"