Quantum TC-L63CN-AR Black 6.25TB Rack mount SAS Interface LTO Ultrium 6 Single 1U Tape Drives for Data Protection and Retention Native Capacity: 2.5TB Buffer: 512MB Features: Lower Power Consumption -Ultra low idle power 4W, results in lower power consumption vs. spinning disk Security/Ease of Use -AES 256-bit data encryption security, WORM functionality, and partitioning capability Compatibility -Investment protection with two generations of backward read and one generation of backward write capability LTFS Software -Free LTFS software can be downloaded at www.quantum.com