HP 872487-B21 4TB 12G SAS 7.2k 3.5-Inch LFF SC DS FW HDD Hard Disk Drive

Overview

The HP 872487-B21 is a high-capacity 4TB 12G SAS hard disk drive designed for 3.5-inch large form factor (LFF) servers and storage arrays. Engineered for 7200 RPM operation, this drive delivers fast data access and reliable performance in demanding enterprise environments. With a dual-port SAS interface, it provides redundancy and high availability for mission critical workloads.

Key Features

• 4TB native capacity for dense storage consolidation
• 12G SAS interface with dual ports for fault tolerant connectivity
• 7200 RPM spindle speed for balanced performance and power efficiency
• 3.5-inch large form factor (LFF) design fits standard rackmount bays
• 256-MB cache buffer to accelerate read/write operations
• Advanced error correction and SMART monitoring for proactive health management
• Compatible with HP ProLiant, HP BladeSystem and third-party SAS enclosures

Technical Specifications

• Model/Part Number: 872487-B21
• Form Factor: 3.5-inch LFF
• Capacity: 4TB (4000 GB)
• Interface: 12G SAS (Serial Attached SCSI)
• Data Transfer Rate: up to 12Gbps per port
• Spindle Speed: 7200 RPM
• Cache: 256 MB
• Average Latency: approx 4.2 ms
• Mean Time Between Failures (MTBF): 1,200,000 hours
• Operating Temperature: 5 to 55 degrees Celsius
• Power Consumption: typical 7.5 W, peak 9.0 W

Typical Applications

• Enterprise file servers and database servers requiring high capacity
• Virtualization platforms hosting multiple VMs with large storage footprints
• Backup and archival systems that need reliable, long-term data retention
• High-performance computing clusters where fast sequential access is critical
• Business continuity solutions that benefit from dual-port redundancy
• Large scale object storage and content delivery networks