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HP 857644-B21 10TB 12Gb/s 7.2K RPM LFF 512e SAS HDD

HP 857644-B21 10TB 12Gb/s 7.2K RPM LFF 512e SAS HDD
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HP 857644-B21 10TB 12Gb/s 7.2K RPM LFF 512e SAS HDD
The HP 857644-B21 is a high-capacity 10TB 12Gb/s SAS hard drive designed for enterprise storage environments that demand reliable performance and massive data density. Built with a 7.2K RPM spindle and 512e sector format, this large form factor (LFF)... Read More
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$549.95

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  • In Stock: 171
  • Manufacturer: HP
  • Model or Part: 857644-B21
  • Condition: Refurbished
  • Weight: 3.00lb
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New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview
The HP 857644-B21 is a high-capacity 10TB 12Gb/s SAS hard drive designed for enterprise storage environments that demand reliable performance and massive data density. Built with a 7.2K RPM spindle and 512e sector format, this large form factor (LFF) drive delivers consistent throughput for demanding workloads while maintaining a balance of speed and power efficiency.

Key Features

  • 10TB raw capacity provides ample space for data intensive applications
  • 12Gb/s SAS interface ensures fast data transfer rates and compatibility with modern storage arrays
  • 7.2K RPM spindle speed offers a good compromise between performance and energy consumption
  • 512e (512 byte emulation) sector format supports legacy and newer operating systems without the need for special drivers
  • Large form factor (LFF) 3.5 inch design fits standard rack and blade servers
  • Advanced error correction and vibration protection technologies improve reliability in multi-drive configurations

Technical Specifications

  • Manufacturer: HP
  • Model/Part Number: 857644-B21
  • Capacity: 10TB (10,000,000,000,000 bytes)
  • Interface: SAS 12Gb/s (Serial Attached SCSI)
  • Form Factor: LFF 3.5 inch
  • Rotational Speed: 7.2K RPM
  • Sector Size: 512e (512 byte emulation)
  • Average Latency: approx 4.2 ms
  • Mean Time Between Failures (MTBF): 2,000,000 hours
  • Operating Temperature: 0 to 55 deg C
  • Power Consumption: approx 7.5W idle, 9.5W active

Typical Applications

  • Enterprise data centers requiring high capacity archival storage
  • Virtualization platforms hosting multiple virtual machines
  • Database servers with large data sets and transaction logs
  • Backup and disaster recovery systems that need fast restore times
  • Software-defined storage solutions and hyper-converged infrastructures

With its blend of capacity, speed, and robust error handling, the HP 10TB 12Gb/s 7.2K RPM LFF 512e SAS HDD is an ideal choice for organizations looking to scale storage while preserving performance and reliability.