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Silver 3.5-inch SAS internal hard drive with green circuit board

HPE

HPE 857644-B21 10 TB 3.5" SAS 12Gb/s internal hard drive

SKU CH-DJRH-3XXHE

A 10 TB 3.5-inch SAS 12Gb/s internal hard drive spinning at 7200 rpm for server storage

  • InterfaceSAS 12Gb/s
  • Capacity10TB
  • Form Factor3.5"
  • 10 TB capacity for large-scale data storage
  • 7200 rpm spindle speed for responsive performance
  • SAS 12Gb/s interface for fast server connectivity
  • 5 inch LFF form factor fits standard server bays
  • 512e sector format improves storage efficiency

10 TB SAS 12Gb/s internal drive

The HPE 857644-B21 is a 10 TB 3.5" internal hard drive built for server environments. It uses a SAS 12Gb/s interface and spins at 7200 rpm. The 512e format helps it integrate with current storage controllers. It targets administrators who need high-capacity midline storage.

Capacity and headroom

Ten terabytes provides substantial space for bulk data, backups and archival workloads. The 7200 rpm spindle speed delivers consistent sequential throughput for streaming reads and writes. Random I/O performance will reach its limit under heavy multi-user database or virtualisation loads. The midline positioning means it is not optimised for write-intensive, low-latency tiers.

Build integration

The drive fits a standard 3.5" LFF bay and connects via a SAS 12Gb/s backplane or HBA. It requires a server chassis with adequate cooling for 7200 rpm operation. A compatible SAS controller or RAID adapter is needed to present the volume to the operating system. The single-port SAS connection simplifies cabling in dense enclosures.

Points forts

  • 10 TB capacity for large-scale data storage
  • 7200 rpm spindle speed for responsive performance
  • SAS 12Gb/s interface for fast server connectivity
  • 5 inch LFF form factor fits standard server bays
  • 512e sector format improves storage efficiency

Caractéristiques

InterfaceSAS 12Gb/s
Capacity10TB
Form Factor3.5"

Questions sur cet article

Will the 10 TB SAS 12Gb/s drive work in a server that only has 6Gb/s SAS backplanes?

Yes, the drive supports 12Gb/s SAS and will negotiate down to 6Gb/s on older backplanes, so it remains compatible with earlier SAS infrastructure.

How can I verify the 7200 rpm spindle speed is active after installation?

Use the server management utility or SMART data to confirm the reported rotation rate shows 7200 rpm and that the 512e sector format is detected correctly.

Does the 857644-B21 come with a 3.5" mounting tray or caddy, or must I supply my own?

The drive is supplied as a bare 3.5" LFF mechanism; a server-specific carrier or tray is not included and must be sourced separately for your chassis.

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