Designed for use in 1-16 bay NAS environments within commercial and enterprise settings, the 14TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD from Seagate is built to withstand 24/7 operation, or 8760 hours per year. This 14TB drive has been equipped with a SATA III 6 Gb/s interface, a rotational speed of 7200 rpm, a 3.5" form factor, and a 256MB cache, providing users with ample storage capacity with data transfer speeds of up to 250 MB/s. The IronWolf Pro also has an MTBF rating of 1.2 million hours, a workload rate of up to 300TB per year, and an annualized failure rate (AFR) of 0.73%.