Tandberg Storage ASA was a magnetic tape data storage company based in Lysaker, Norway. The company was a subsidiary of Tandberg Data. The company was spun off from Tandberg Data in 2003 to focus exclusively on tape drives. It was purchased by the same company in 2008. Tandberg Storage developed four drive series, all based on Linear Tape-Open (LTO) specifications. Manufacturing was outsourced to the Chinese-based Lafè Peripherals International. Tandberg Storage also owned 93.5% of O-Mass AS.