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Silver rectangular 2.5 inch enterprise hard drive with label showing model 697574-B21 and capacity 1.2TB

HP

HP 697574-B21 1.2TB 10000 RPM SAS 6Gb/s 2.5" laptop hard drive

SKU CH-VTEK-SW66X MPN 697574-B21

Enterprise 2.5" SAS hard drive with 1.2TB capacity and 10000 RPM speed for demanding storage workloads

  • Total capacity1.2 TB
  • Interface typeSAS 6Gb/s
  • Form factor2.5 in (6.35 cm)
  • Rotational speed10,000 RPM
  • Max height15 mm
  • Maximum width76 mm
  • 2 TB capacity stores large enterprise datasets
  • 10000 RPM spindle delivers fast data access
  • SAS 6Gb/s interface provides reliable connectivity
  • 5 inch 15 mm form factor fits dense servers
  • Built for enterprise storage workloads

Enterprise SAS drive

The HP 697574-B21 is a 1.2TB 10000 RPM SAS 6Gb/s hard drive built for enterprise storage workloads. Its 2.5 inch small form factor fits dense server and storage arrays that demand high IOPS. The drive is new and ships in original or OEM packaging depending on supply. It targets IT teams running 24/7 databases, virtualisation hosts or transactional applications.

15mm bay integration

The unit measures 15mm in height, 76mm wide and 119mm long, so it slots into standard 2.5 inch 15mm drive bays and backplanes. A SAS 6Gb/s host bus adapter or RAID controller and a compatible backplane are required for connectivity. The single-connector SFF design frees the second bay position in dual-slot carriers for another drive. No tray is included, so the enclosure must supply its own mounting hardware.

Sustained 10K operation

At 10000 RPM the spindle maintains consistent throughput during extended read and write sequences typical of enterprise logs and OLTP databases. The SAS interface supports dual-port operation for multipath redundancy without performance loss during path failover. Mechanical latency stays predictable because the drive is engineered for continuous duty rather than burst-oriented desktop use. Heat output scales with sustained spindle speed, so the chassis must provide adequate airflow across the 15mm profile.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $498.99
Pricier than about 90% of the 645 comparable items (median $66.99).
Total capacity 1.2 TB
Higher than about 90% of the 419 comparable items (median 320 GB).
Price per TB $415.83 per TB
Pricier than about 72% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameHP
Model name697574-B21
Total capacity1.2 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed10,000 RPM
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height15 mm
Maximum width76 mm
Maximum length119 mm
Shipping weight0.64 kg
Package size152 × 102 × 51 mm

Questions about this item

What sustained-throughput limit does the SAS 6Gb/s interface impose during heavy workloads?

The SAS 6Gb/s link caps sustained transfer at 6Gb/s, so long sequential reads or writes cannot exceed that bus bandwidth.

How much heat and noise does the 10000 RPM mechanism produce in 24/7 operation?

A 10000 RPM enterprise drive runs hotter and louder than slower spindles; plan for active airflow in the bay and expect audible seek noise under load.

Which controller or backplane must the system already provide for this 2.5″ 15mm drive to function?

The system needs a SAS 6Gb/s backplane or HBA with a 2.5″ 15mm drive bay and the correct SAS power and data connectors.

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