Seagate IronWolf Pro 16TB NAS Internal Hard Drive HDD ST16000NE000 offers high-capacity storage designed for 24/7 multi-user environments. This 3.5-inch SATA 6Gb/s drive features AgileArray technology for optimal reliability and system agility, making it ideal for creative professionals and small-to-medium business NAS enclosures. It includes built-in IronWolf Health Management for proactive drive monitoring and Rescue Data Recovery Services for peace of mind. The drive has been cleared to all zeros and low run time testing confirms it works as new.