This product is either discontinued or we cannot get that from suppliers.
Seagate ST20000NE000 IronWolf Pro Internal 3.5" NAS Hard Drive, Interface SATA 6.0Gb/s, Capacity 20TB, 7200 RPM, Cache 256MB.
IronWolf Pro NAS-optimised hard drives are designed for multi-user NAS environments with high workload rates. CMR technology and AgileArray firmware ensure optimal reliability in continuous operation and system scalability.