Hewlett Packard Enterprise 697574-B21 Hard Disk Drive

The Hewlett Packard Enterprise 697574-B21 is a 1.2TB 6Gb/s SAS 10K RPM 2.5-inch Small Form Factor (SFF) hard disk drive built for enterprise servers and storage systems, delivering fast, reliable data access in data centers. It uses a Smart Carrier (SC), supports hot-plug operation, and delivers data transfer up to 6Gb/s, with sector formats 512e or 4Kn (model dependent); it's compatible with HPE ProLiant Gen8 and Gen9 servers for transactional workloads, virtualization, and business-critical applications. Common replacements include HPE 759212-B21, 872479-B21, and 781518-B21, reflecting its role in drive upgrades and uptime maintenance in enterprise environments.