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3.5 inch HPE SAS hard drive, silver metal casing, standard enterprise form factor

HPE

HPE 652766-B21 3 TB 7200 RPM SAS 3.5" internal hard drive

SKU CH-25CD-8YE21

3 TB 3.5-inch internal hard drive with 7200 RPM SAS interface for server storage

  • Total capacity3 TB
  • Interface typeSerial Attached SCSI (SAS)
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Recommended useIdeal for Servers
  • 3 TB capacity stores large datasets
  • 7200 RPM spindle speed delivers responsive data access
  • 6Gb/s SAS interface provides reliable enterprise connectivity
  • 5-inch LFF form factor fits standard server bays
  • Midline design balances capacity and cost for bulk storage

HPE 652766-B21 3 TB SAS drive

The HPE 652766-B21 is a 3 TB internal hard drive built for server and storage arrays that require Serial Attached SCSI connectivity. Its 7200 RPM spindle speed and 3.5-inch large form factor suit capacity-focused workloads such as bulk data retention, backup targets and near-line archives.

Thermals noise and power in normal use

Midline SAS drives run at 7200 RPM and generate moderate heat and audible seek noise under sustained load; typical server chassis airflow handles the thermal output without special cooling. Power draw scales with the 6 Gb/s SAS interface activity and the mechanical spindle, matching expectations for enterprise midline capacity drives.

Build quality connectors and daily implications

The drive uses a standard SAS connector compatible with hot-plug backplanes and RAID controllers that support 6 Gb/s SAS signalling. Robust mechanical construction targets 24x7 operation in multi-drive enclosures, while the midline positioning balances cost per terabyte against the higher endurance of enterprise performance models. Buyers needing higher IOPS or smaller form factors should consider alternative drive classes.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $37.99
Cheaper than about 88% of the 4,938 comparable items (median $107.99).
Total capacity 3 TB
Higher than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $12.66 per TB
Cheaper than about 96% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHP
Model name652766-B21
Total capacity3 TB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSerial Attached SCSI (SAS)
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How do I install the 3.5" SAS drive in a server bay and what step is often missed?

Slide the 3.5-inch LFF drive into an empty SAS bay until the connector seats, then secure it with the tray screws; the step often missed is confirming the backplane runs at 6Gb/s SAS so the 7200 RPM spindle can negotiate full speed.

What maintenance or replacement will the 652766-B21 need over time?

The 7.2K rpm midline drive has no user-serviceable parts; plan to replace the entire unit once SMART attributes show reallocated sectors or when the five-year design life is reached in 24/7 server duty.

What limit appears first during sustained writes on this 3 TB SAS drive?

The 6Gb/s SAS interface caps sustained throughput well below the mechanical maximum, so the interface bottleneck shows up before the 7200 RPM platters saturate during long sequential workloads.

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