Qualstar Corporation designs, develops, manufactures, and sells power supplies under the N2Power brand; and data storage systems under the Qualstar brand worldwide. It offers switching power supplies that are used to convert AC line voltage to DC voltages, or DC voltages to other DC voltages for use in electronic equipment, such as telecommunications equipment, machine tools, routers, switches, wireless systems, and gaming devices. The company also provides automated magnetic tape libraries used to store, retrieve, and manage electronic data primarily in network computing environments, as well as provide data storage solutions for organizations requiring backup, recovery, and archival storage of critical data. Its tape libraries include cartridge tape drives, tape cartridges, and robotics that move the cartridges from their storage locations to the tape drives under software control. The company serves original equipment manufacturers, information technology departments, and small and medium businesses through distributor and reseller network, distributors, and independent outside sales representatives. Qualstar Corporation was founded in 1984 and is headquartered in Simi Valley, California.