Seagate 8TB IronWolf NAS, SATA III, 7200RPM, 256MB, for 1 to 8 Bay NAS, 24x7 Performance, Optimized for NAS with AgileArray Multi-User Technology for Increased User Workload Rate IronWolf drives are designed to endure the sustained user workloads of enterprise and business environments. High throughput and up to 180TB/year workload rating mean they can easily handle multiple users and large data transfers during years of service.