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3.5 inch SAS hard drive in a hot-swap carrier tray

HPE

HPE 872487-B21 4TB 7.2K 12G 3.5in SAS internal hard drive

SKU CH-ZWXN-JREFN

A 4 TB 3.5-inch SAS hard drive spinning at 7200 RPM with a 12 Gb/s interface and a supplied Smart Carrier tray

  • 4 TB capacity stores large datasets
  • 7200 RPM spindle speed delivers responsive throughput
  • 12 Gb/s SAS interface moves data quickly
  • 5 inch hot-swap form factor fits standard bays
  • Includes Smart Carrier tray for tool-less installation

4TB SAS hard drive for servers

The HPE 872487-B21 is a 4000GB midline drive spinning at 7200RPM with a 12Gbps SAS interface. It ships new with a Smart Carrier tray for hot-swap bays in compatible HPE ProLiant servers and storage arrays.

SAS 12Gbps bus limits

The 12Gbps SAS link caps sustained throughput at the controller level; real-world sequential speeds will not exceed the bus ceiling. Random I/O at 7200RPM suits bulk storage and archival workloads rather than latency-sensitive databases.

Replaces smaller midline SAS drives

This 4TB unit upgrades 1TB or 2TB midline SAS drives when capacity per bay is the priority. The jump is worth it for cold data tiers, backup targets or media archives where 7200RPM throughput remains adequate.

Highlights

  • 4 TB capacity stores large datasets
  • 7200 RPM spindle speed delivers responsive throughput
  • 12 Gb/s SAS interface moves data quickly
  • 5 inch hot-swap form factor fits standard bays
  • Includes Smart Carrier tray for tool-less installation

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the 4000GB midline drive or a larger capacity SAS model?

The 4000GB midline drive suits bulk storage and archival workloads where cost per gigabyte matters most; larger SAS models increase capacity but also raise the price for the same 12Gbps interface.

What does the 7200RPM speed deliver inside a live server?

At 7200RPM the drive provides consistent sequential throughput for backup, logging and near-line data, while the 12Gbps SAS link keeps the controller from becoming the bottleneck.

How does the 12Gbps SAS interface limit real-world transfer rates?

The 12Gbps SAS connection caps the burst rate at the interface ceiling, so sustained reads and writes top out at the drive's own 7200RPM mechanical limits rather than the bus maximum.

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