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Bare 3.5 inch SATA hard drive, silver metal finish

HPE

HPE 872491-B21 4TB SATA 7200 RPM 3.5" internal hard drive

SKU CH-4DKX-WND0Y MPN 872491-B21

A 4 TB, 7200 RPM SATA 6.0 Gb/s 3.5-inch drive for high-capacity bulk storage in ProLiant servers

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity4TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Average Latency6Gb/s
  • High capacity 4 TB stores large datasets
  • 7200 RPM spindle delivers responsive data access
  • SATA 6.0 Gb/s interface ensures broad compatibility
  • 5 inch LFF form factor fits standard drive bays
  • HPE qualification certifies reliable ProLiant operation

4 TB SATA midline drive for bulk storage

This HPE 872491-B21 is a 4 TB 3.5 inch internal hard drive spinning at 7 200 RPM on a SATA 6.0 Gb/s interface. It is built for servers and workstations that need high capacity bulk storage at an economical cost. The Midline series targets growing data workloads where reliability matters more than peak throughput.

Installation notes for bare 3.5 inch drive

The drive ships as a bare unit without mounting brackets or cables so you must supply a compatible 3.5 inch bay and SATA power and data cables. Alignment with the chassis screw holes is standard for LFF form factor. The only common issue is forgetting that the drive requires a 3.5 inch slot; it will not fit a 2.5 inch bay.

Sustained workload behaviour

At 7 200 RPM the drive delivers steady sequential throughput for long backup or archive jobs without the thermal throttling seen in smaller high speed drives. Midline firmware is tuned for continuous operation in multi drive arrays. Random IOPS remain modest so the drive suits streaming writes and reads rather than transaction heavy databases.

Points forts

  • High capacity 4 TB stores large datasets
  • 7200 RPM spindle delivers responsive data access
  • SATA 6.0 Gb/s interface ensures broad compatibility
  • 5 inch LFF form factor fits standard drive bays
  • HPE qualification certifies reliable ProLiant operation

Caractéristiques

BrandHEWLETT PACKARD ENTERPRISE
Model872491-B21
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity4TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Average Latency6Gb/s
Form Factor3.5"
Poids d’expédition1.22 kg
Dimensions du colis356 × 191 × 171 mm

Questions sur cet article

How do I verify the 7200 RPM drive is operating correctly after installation?

Check SMART status through HPE Systems Insight Manager or your server BIOS to confirm the SATA 6.0Gb/s link speed and zero reallocated sectors.

The packaging is listed as bare drive — what else do I need to mount it in a 3.5-inch bay?

You will need a 3.5-inch drive tray or caddy plus standard SATA data and power cables; the drive itself ships without screws or brackets.

Should I choose the 4TB LFF model or a 2.5-inch SFF version for my ProLiant server?

Select the 3.5-inch LFF 872491-B21 when your chassis has large-form-factor bays; choose a 2.5-inch SFF Midline drive only if the server uses small-form-factor slots.

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