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Silver 2.5-inch SAS hard drive with circuit board visible

HP

HP 605835-B21 1 TB SAS 6Gb/s 7200 RPM 2.5" internal hard drive

SKU CH-JEEH-QKZQC MPN 605835-B21

A 1 TB SAS internal drive spinning at 7200 RPM with hot-plug support for server storage

  • Interface typeSAS 6Gb/s
  • Form factor2.5 in (6.35 cm)
  • Rotational speed7,200 RPM
  • Key featuresStorage Capacity: 1 TBRotational Speed: 7200 rpmDrive Interf
  • Recommended useIdeal for Servers
  • 1 TB capacity for large server datasets
  • 7200 RPM spindle speed for responsive data access
  • SAS 6Gb/s interface delivers 600 MB/s maximum transfer rate
  • 5" form factor fits dense drive bays
  • Hot-pluggable design allows drive swaps without downtime

HP 1 TB SAS 6Gb/s drive

This 1 TB internal hard drive uses a SAS 6Gb/s interface and spins at 7200 RPM in a 2.5 inch form factor. It is designed for server and enterprise storage environments that require hot-pluggable operation and consistent data throughput.

Thermals noise and power in normal use

The drive operates with a maximum external transfer rate of 600 MB/s (4.7 Gbit/s) and standard spindle speed. Physical dimensions are 4.6 inches high, 7 inches wide and 9 inches deep with an approximate weight of 15.87 oz. No specific acoustic or power figures are provided by the supplier.

Behaviour under sustained load

Serial Attached SCSI architecture delivers the flexibility, reliability and scalability needed for 24x7 enterprise data centres handling simultaneous requests. The hot-pluggable design allows drive replacement without system downtime during continuous operation.

How it compares

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

Price $358.99
Pricier than about 87% of the 4,938 comparable items (median $107.99).

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Specifications

Product
Brand nameHP
Model name605835-B21
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.91 kg
Package size234 × 180 × 132 mm

Questions about this item

How is the 2.5" SAS drive installed in a server bay, and what step is often missed?

Slide the drive into a hot-plug SAS bay until the connector seats, then secure the release latch; the missed step is failing to lock the latch, which leaves the drive unseated.

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

Mechanical drives eventually develop bad sectors or bearing wear; plan to replace the unit when SMART reallocated-sector counts rise or unusual noise appears.

What limit appears first on the 600 MB/s SAS interface during sustained writes?

The 7200 RPM spindle caps sequential throughput well below the 600 MB/s interface ceiling, so the mechanical media speed becomes the bottleneck.

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