4GB DDR3 PC3-12800 ECC 240PIN CL11 1600MHZ DIMM 512X8V7 4GB DDR3 SDRAM Memory Module For Server 4 GB DDR3 1600 PC3 12800 DDR3 SDRAM 1600 MHz Single rank Memory CL11 ECC Unbuffered 240 pin DIMM 10 Year Warranty VPN: V7128004GBDE U SKU: RSC140828 UPC: 5050914185367 DIMM 4 GB memory allows you to have more programs open at a time 1600 MHz of memory speed with Unbuffered signal allows you to browse web, listen to songs and use routine software simultaneously DDR3 SDRAM interface synchronizes electrical and