Hewlett Packard Enterprise 861596-B21 Hard Disk Drive

The Hewlett Packard Enterprise 861596-B21 hard disk drive delivers 8TB of bulk storage in a 3.5-inch LFF form factor with a SATA 6G interface and a 7,200 RPM spindle. Designed as a Midline (MDL) drive, it uses a 512e sector format, ships in a Low Profile (LP) carrier, and supports hot-swapping for easy replacements in dense server enclosures, with digitally signed firmware. It is compatible with HPE ProLiant Gen9 and Gen10 servers and compatible storage systems, and is commonly used for backup, archival storage, bulk storage, file servers, surveillance storage, and other general workloads. Manufacturer Part Numbers: 861596-B21 / 861610-001; common replacements include HPE 872475-B21 8TB SATA HDD.