HP Radle Disk Drive

Data centers running HP ProLiant Gen8, Gen9, or Gen10 servers often need high-performance storage that balances speed and reliability. This HP 1.2TB SAS 12Gb/s 10K RPM 2.5-inch Enterprise Hard Drive (model 5851-1822) delivers exactly that, with a dual-port SAS interface and hot-swappable Smart Carrier for seamless integration into existing infrastructure.

Key specifications

• Capacity: 1.2 TB
• Interface: SAS 12Gb/s (dual port)
• Spindle speed: 10,000 RPM
• Form factor: 2.5-inch Small Form Factor (SFF)
• Cache: 128 MB
• Average latency: 2.9 ms
• Average seek time: 3.7 ms read / 4.1 ms write
• Data transfer rate: 1200 MB/s external
• Hot-swappable: Yes (Smart Carrier - SC)
• MTBF: 2,000,000 hours
• Power consumption: 6.4 W idle / 9.5 W active
• Sector size: 512n (native)
• Firmware: Digitally signed
• Technology: Enterprise

Why choose it

Built for 24/7 operation, this drive offers enterprise-grade reliability and performance. The 10K RPM speed and 12Gb/s SAS interface reduce bottlenecks, while the 128 MB cache accelerates data access. Its hot-swappable design allows replacement without downtime, and the digitally signed firmware ensures authenticity and security.

Ideal use cases

• Database servers requiring fast transaction processing
• Virtualization environments with high I/O demands
• High-performance computing clusters
• Business-critical applications needing maximum uptime

Good to know

This drive is compatible with HP ProLiant Gen8, Gen9, and Gen10 servers that support 2.5-inch SAS drives. It includes a Smart Carrier for easy installation and identification. For optimal performance, pair with a SAS 12Gb/s controller. Note: The drive is an internal component and does not include cables or brackets.