IronWolf NAS Hard Drives For multi-user NAS environments that need high workload rated drives. IronWolf is designed for everything NAS. Get used to tough, ready and scalable 247 performance that can handle multi-bay NAS environments across a wide range of capacities. IronWolf IronWolf provides a workload rate of 180 TB/year with scalable 247 performance that can handle multi-bay NAS environments, as well as capacities up to 12 TB. It fits applications like 1- to 8-bay network attached storage (NAS). Drive Health and Data Recovery When integrated into compatible NAS systems, these drives provide overall system reliability increases due to IronWolf Health Management (IHM).1 In addition, the IronWolf drives include a robust three-year Rescue Data Recovery Services plan.