HPE 815635-B21 4TB SATA 6G Enterprise HDD 3.5in LFF

• Enterprise backup and disaster recovery storage
• Cold data and archival repositories
• Data center bulk storage expansion
• Virtualization secondary storage layers
• Surveillance and logging data retention systems
• Cloud infrastructure nearline storage
• File server capacity scaling
• Enterprise application data archiving
• Test, development, and staging environments

• Enterprise 4TB SATA HDD for server workloads use
• Stable 6Gbps SATA link for consistent data flow
• 3.5-inch LFF drive for enterprise server bays
• Designed for backup, archive, and bulk storage
• 5.9K RPM optimized for capacity-driven workloads
• HPE-certified drive for ProLiant server systems
• Reliable nearline storage for data centers use
• Cost-effective scalable enterprise storage solution
• Supports high-volume cold data retention needs
• Easy integration into existing HPE infrastructure

• Brand: HPE
• Model: 815635-B21
• Product Type: Enterprise Hard Disk Drive (HDD)
• Drive Category: Nearline / Capacity Enterprise Storage
• Capacity: 4TB
• Interface: SATA 6Gb/s
• Form Factor: 3.5-inch LFF
• Rotational Speed: 5,900 RPM (5.9K RPM)
• Cache: Not specified by OEM
• Hot-Plug Support: Supported in compatible HPE server bays
• Compatibility: HPE ProLiant Server Platforms
• Workload Type: Backup, archive, cold storage, bulk data
• Performance Class: Capacity-optimized enterprise HDD
• Usage Environment: Data center, enterprise IT infrastructure
• Reliability Class: Enterprise-grade validated for HPE systems
• Data Transfer Rate: Up to SATA 6Gb/s interface speed
• Deployment Type: Server storage expansion / JBOD / SAN/NAS tiers
• Sector Format: 512e (typical enterprise SATA configuration)

WHY CHOOSE THIS PRODUCT?

• Enterprise-grade reliability for mission-critical storage environments
• High-capacity 4TB design reduces drive count and rack complexity
• Optimized for cold storage and backup-heavy workloads
• Seamless integration with HPE ProLiant server ecosystems
• Cost-efficient alternative to high-performance SSD tiers
• Supports scalable storage expansion in hybrid infrastructures
• Stable SATA 6Gbps performance for predictable workloads