Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST4000NE001)

ronWolf internal hard drives are the ideal solution for up to 24-bay, multi-user NAS server environments that demand powerhouse performance Store more and work faster with a NAS hard drive that provides 4TB and speeds up to 214MB/s Specifically built for less wear and tear, little to no noise/vibration, no lags or down time, increased file-sharing performance, lower power consumption, and extra data protection—even in the event of power loss Easily monitor NAS drive health using the integrated IronWolf Health Management system, and enjoy long-term reliability with 1. 2M hours MTBF