18 TB Seagate IronWolf Pro ST18000NE0008 - Hard drive - 18 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB - with 2 years Seagate Rescue Data Recovery

5 year limited manufacturer warranty and 300TB/year workload limit
Designed for everything business NAS, IronWolfPro offers tough, ready, and scalable 24×7 performance and can handle multi drive environments
Fastest hard drive, delivers 7200RPM spin speed along with sustained data rates up to 250MB/s and burst data rates of 6Gb/s
Compatible with 1 to 24 bay network attached storage (NAS) servers, creative pro NAS, media servers, and personal cloud storage devices
IronWolf Health Management focuses on prevention, intervention, and recovery