Cisco 15-12891-01 4GB 1600 DDR3 2RX8 244Pin Mini DIMM Registered Memory RAMItem Condition: NewProduct DetailsBrand: CiscoNumber of Modules: 1MPN: 15-12891-01Capacity per Module: 4GBNumber of Pins: 244-PinType: DDR3Bus Speed:1600Form Factor: MiniDIMMTotal Capacity: 4GBMemory Features: RegisteredIncludes:1 x Cisco 15-12891-01 4GB 1600 DDR3 2RX8 244Pin Mini DIMM Registered Memory RAM