LTO4 Ultrium offers a large storage capacity. Coating technology and a surface smoothing technology offers an 800GB native and 1.6TB compressed maximum recording capacity. LTO 4 cartridges will also work in conjunction with your LTO 4 drive to support 256-bit hardware-based data encryption, adding another layer of security. Proprietary Advanced Alloy Armored Metal Particle (A3MP) technology provides better protection for your most valuable data. A3MP uniformly coats the metal particles with alloys and ceramics to provide high-output characteristics, maintain a high resistance to environmental conditions, and reduce variations in particle size when compared to conventional materials.