SAVVIOｮ 15K.2 6GB/S SAS 146GB HARD DRIVESeagateｮ Enterprise Performance 15K HDDs leverage a 2.5-inch form factor to deliver pronounced performance advantages and power savings over legacy 3.5-inch drives.Available mid-2014 the newest generation, 15K.4 HDD, offers:Faster transaction processing to facilitate faster time-to-revenueTwice the data storage capacity (up to 600 GB) over previous generationImproved reliability with humidity sensor and an annualized failure rate (AFR) of 0.44%Self-Encrypting Drives (SED) with Instant Secure Erase for easy disposal and FIPS SED security options