The Seagate ST12000NM0017-2a1111 is a 12TB 3.5-inch enterprise-class HDD, with “ST12000NM0017” indicating its core specifications as a 12TB Exos drive designed for demanding data center workloads, featuring high capacity and 24/7 operation, while the suffix “-2a1111” likely denotes a specific firmware or manufacturing identifier used for internal tracking by Seagate.
