The Hewlett Packard Enterprise 818367-B21 is a 4TB 12G SAS 7.2K rpm 3.5-inch LFF enterprise HDD built for reliability in HPE ProLiant servers and enterprise storage systems. This MDL/nearline drive uses a dual-port SAS interface, supports hot-swap with the HPE Smart Carrier, and is designed for 24x7 operation in data center storage arrays, backups, and archival workloads. It formats with 512e sector size and is compatible with HPE ProLiant Gen9 and Gen10 servers and compatible storage systems, enabling bulk data storage and long-term retention in business-critical environments. Common replacements include the HPE 861683-B21, 872483-B21, and 781516-B21.
