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Silver 3.5 inch internal hard drive with circuit board visible

HP

HP 861752-B21 4 TB 7200 RPM 3.5" SATA internal hard drive

SKU CH-7N56-V31K7 MPN 861752-B21

4 TB 7200 RPM 3.5" SATA internal hard drive for enterprise storage servers

  • InterfaceSATA
  • Capacity4TB
  • RPM7200 RPM
  • UsageFor Enterprise Storage
  • Form Factor3.5"
  • 4 TB capacity stores large enterprise datasets
  • 7200 RPM spindle speed delivers consistent throughput
  • SATA 600 interface connects directly to server backplanes
  • 5-inch LFF form factor fits standard drive bays
  • 512e sector format ensures compatibility with legacy applications

Capacity and fit

This HP 861752-B21 drive provides 4 TB of storage in a 3.5 inch form factor for enterprise servers and storage arrays. It connects through a SATA 600 interface and spins at 7200 RPM to serve workloads that need high capacity with consistent throughput.

Thermals noise and power

The midline 7.2K design balances spindle speed with power draw for always-on environments. Hot-plug capability allows the drive to be inserted or removed while the system runs, so cooling and airflow can stay stable during maintenance without a full shutdown.

Build and daily use

The 512e sector format helps the drive work with legacy and modern operating systems alike. A single-port SATA connector and standard 3.5 inch carrier mean it fits directly into supported HPE Gen8 through Gen10 drive bays for straightforward deployment.

Points forts

  • 4 TB capacity stores large enterprise datasets
  • 7200 RPM spindle speed delivers consistent throughput
  • SATA 600 interface connects directly to server backplanes
  • 5-inch LFF form factor fits standard drive bays
  • 512e sector format ensures compatibility with legacy applications

Caractéristiques

BrandHPE - SERVER OPTIONS
Model861752-B21
InterfaceSATA
Capacity4TB
RPM7200 RPM
UsageFor Enterprise Storage
Form Factor3.5"
Poids d’expédition1.36 kg
Dimensions du colis280 × 220 × 150 mm

Questions sur cet article

How is the HP 861752-B21 installed in a server and what step is often missed?

Slide the 3.5 inch drive into a hot-plug bay until the carrier clicks; the step often missed is ensuring the SATA 600 connector seats fully before locking the lever.

What maintenance or replacement will the 4 TB 7200 RPM drive need later?

Plan to replace the drive after its rated service life; no field-serviceable parts exist inside the sealed helium enclosure.

What limit appears first on the 861752-B21 during sustained write workloads?

The 7200 RPM spindle speed caps sustained throughput at the SATA 600 interface ceiling before thermal throttling engages.

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