HPE 3TB SATA 6Gb/s 7.2K 3.5in Midline Hard Drive with Smart Carrier (845645-B21)

The HPE 845645-B21 stands out as a midline hard drive engineered for server environments that demand a balance of capacity, performance, and reliability. Unlike entry-level desktop drives, this 3TB SATA drive is built for 24x7 operation in ProLiant Gen8, Gen9, and Gen10 servers, offering a 7200 RPM spindle speed and a 6Gb/s interface for consistent data throughput. Its 3.5-inch Large Form Factor (LFF) and HPE Smart Carrier (SC) enable hot-swap capability, simplifying drive replacement and maintenance in business-critical systems.

Highlights

• 3TB storage capacity for data archiving and server workloads
• SATA 6Gb/s interface with 600 MB/s external data transfer rate
• 7200 RPM spindle speed for responsive performance
• 3.5-inch LFF form factor with HPE Smart Carrier for hot-swap support
• Midline drive type optimized for cost-effective bulk storage
• 512e sector size for compatibility with modern systems
• Mean Time Between Failures (MTBF) of 1.2 million hours
• Operating temperature range: 5°C to 60°C
• Power consumption: approximately 9.5 W during operation

In daily use

In server environments, the HPE 845645-B21 delivers dependable storage for data archiving, backup, and general server workloads. Its hot-swap design allows administrators to replace drives without shutting down the server, reducing downtime. The drive's 7200 RPM speed ensures faster access times compared to lower-RPM archival drives, while the midline classification provides a cost-effective solution for high-capacity storage needs. With a 1.2 million hour MTBF, it is built for long-term reliability in demanding data center conditions.

Full specifications

• Brand: HPE
• Model: 845645-B21
• MPN: 845645-B21
• EAN: 5715063334041
• HDD capacity: 3 TB
• HDD size: 3.5"
• HDD speed: 7200 RPM
• Interface: Serial ATA-600
• Maximum data transfer rate: 600 MB/s
• Type: HDD
• Product type: Hard Disk Drive
• Product colour: Black
• Operating temperature (T-T): 5 - 60 °C
• Power consumption (typical): 9.5 W

Final note

The HPE 845645-B21 is a reliable midline hard drive for ProLiant servers, offering a strong combination of capacity, speed, and hot-swap convenience for enterprise storage.