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Silver rectangular 2.5 inch SAS hard drive with label

HP

HP DG146BB976 146 GB 10000 RPM 2.5" SAS laptop hard drive

SKU CH-WR1B-6N8NM MPN DG146BB976

146 GB 10,000 RPM SAS 2.5-inch hot-swap drive for server and laptop storage

  • Interface typeSAS
  • Form factor2.5 in (6.35 cm)
  • Rotational speed10,000 RPM
  • Key featuresHot Swap
  • 146 GB capacity stores critical server data
  • 10000 RPM spindle delivers fast transactional performance
  • SAS interface connects directly to enterprise controllers
  • 5 inch form factor fits dense ProLiant bays
  • Hot-swap support allows drive replacement without downtime

Compact enterprise storage

The HP DG146BB976 is a 146 GB laptop hard drive spinning at 10000 RPM for servers and workstations that need fast sequential access in a small bay. It targets administrators who maintain legacy Proliant arrays or refresh hot-swap trays without migrating to solid-state media.

SAS interface with hot-swap tray

A 2.5 inch form factor slides directly into standard drive cages and the SAS connector supports dual-port redundancy for continuous operation. Hot-swap capability lets technicians replace the drive while the chassis stays powered, reducing downtime during maintenance windows.

Mechanical acoustics and power profile

At 10000 RPM the spindle generates audible seek noise and measurable vibration, typical for high-speed mechanical drives in dense enclosures. Power draw rises during random workloads and the drive relies on chassis airflow to keep temperatures within the manufacturer’s operating range.

How it compares

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

Price $130.99
Pricier than about 74% of the 645 comparable items (median $66.99).

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Specifications

Product
Brand nameHewlett-Packard
Model nameDG146BB976
Performance
Rotational speed10,000 RPM
Ports & slots
Interface typeSAS
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

What SAS speed does this DG146BB976 support and what real-world throughput does it cap at?

The drive uses a SAS interface; its practical throughput is limited by the 10000 RPM mechanical speed and the SAS link negotiated with the controller.

What physical space and mounting does the 2.5-inch form factor require?

It fits a standard 2.5-inch drive bay; the hot-swap design works with trays that accept the SAS connector directly.

How is the drive installed in a hot-swap tray and what step is often missed?

Slide the drive into the tray until the SAS connector seats firmly, then lock the tray lever; the step often missed is fully engaging the lever to secure the connection.

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