Seagate Pro Internal HDD Designed to deliver performance, reliability, and dependability in multi-bay, multi-user RAID and NAS environments within commercial and enterprise settings, the  24TB 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 24TB 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 512MB cache, providing users with ample storage capacity with data transfer speeds of up to 285 MB/s. The IronWolf Pro also has an MTBF rating of 2.5 million hours and a workload rate of up to 550TB per year. Seagate's AgileArray technology provides dual-plane balancing, time-limited error recovery (TLER), and rotational vibration (RV) sensors to deliver enhanced RAID performance. Included is a limited 3-year Data Recovery Service that helps you retrieve damaged data in the event of a mechanical error, accident, or natural disaster, and overall protection is provided by a limited 5-year warranty. High Performance All-CMR (conventional magnetic recording) portfolio enables consistent, 24/7 performance, allowing users to access data virtually anytime, anywhere. High Dependability Up to a 550TB per year workload rating, a 2.5 million hours MTBF, and a limited 5-year warranty for a solid total cost of ownership (TCO). Peace of Mind with Data Recovery Seagate provides complimentary Rescue Data Recovery Services for three years, giving users a hassle-free, zero-cost data recovery experience. IronWolf Health Management Helps protect data with prevention, intervention, and recovery recommendations to ensure peak system health. Optimized for NAS Seagate's AgileArray technology provides dual-plane balancing, time-limited error recovery (TLER), and rotational vibration (RV) sensors to deliver top RAID performance in multi-bay environments.