IronWolf Pro 3.5 HDD SATA 6 Gb/s 7200 RPM 6TB Capacity Up to 24. Cache 256MB Drive Bays Supported. IronWolf Pro comes standard with a 5 year Limited Warranty and 550TB/yr workload rating, and 1.2M hour MTBF. IronWolf Pro comes standard with 2 years of Se