Rogueware 4GB DDR3L 1600MHz Low Voltage Value UDIMM Desktop Memory Module (RVR1600LC11LD4GB) - Module Size: 4GB, Module Type: Long DIMM, Memory Speed: 1600MHz, Cache Latency (CL IDD): 11 Cycles, Row Cycle Time: 48ns, Refresh to Active Time: 260ns, Voltage: 1.35 Volt, Operating Temperature: 0°C to +85°C