Industry's lowest power and weight for optimum data center TCO PowerBalance feature optimizes IOPS/Watt Proven enterprise-class reliability backed by 2. 5M-hr MTBF rating Helium sealed-drive design with no porosity and uniform density Seagate Secure models provide hardware-based security to help protect data-at-rest. With Instant Secure Erase, drive retirement is safe, affordable, fast and easy.