Engineered to deliver high performance and reliability to commercial and enterprise NAS environments, the 14TB Red Pro 7200 rpm SATA III 3.5" Internal NAS HDD from WD is well-suited for multimedia and creative pros, medium to large businesses, and commercial and enterprise NAS systems. Able to work in RAID-optimized NAS systems with an unlimited number of drive bays, this 14TB drive operates using a SATA III 6 Gb/s interface, a 512MB cache, and a rotational speed of 7200 rpm, which all help to ensure uninterrupted data transfers with a rate of up to 265 MB/s. This drive also features high levels of reliability, with 600,000 load/unload cycles, < 1 in 10¹⁵ non-recoverable read errors per bits read, a workload rate of 550TB per year, dual-plane balance control technology, and 2.5 million hours MTBF. Shock protection is provided by a multi-axis shock sensor and WD's NASware helps increase system compatibility, allowing Red Pro drives to be more easily integrated with your existing network infrastructure.