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Silver rectangular 2.5 inch hard drive with label showing model 632078-B21 and 500GB capacity

HP

HP 632078-B21 500GB 7200 RPM SATA 6.0Gb/s 2.5" laptop hard drive

SKU CH-A3GF-MP990 MPN 632078-B21

A 2.5-inch SATA hard drive with 500GB capacity and 7200 RPM spindle speed

  • Total capacity500 GB
  • Interface typeSATA 6.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Rotational speed7,200 RPM
  • Max height18.8 mm
  • Maximum width73.91 mm
  • 500 GB capacity stores large datasets and applications
  • 7200 RPM spindle speed delivers faster data access
  • SATA 6.0 Gb/s interface enables high transfer rates
  • 5 inch form factor fits standard laptop and server bays
  • Designed for server reliability in entry and midline workloads

HP 500GB 7200 RPM SATA drive

This HP 632078-B21 is a 2.5-inch internal hard drive with a 500GB capacity and a 7200 RPM spindle speed. It connects through a SATA 6.0Gb/s interface and is built for server and storage environments. The drive measures 100.33mm long, 73.91mm wide and 18.8mm high. It is sold new in retail or OEM packaging.

Server storage upgrades and replacements

This drive suits administrators adding capacity to compatible HP servers or external arrays that accept 2.5-inch SATA midline drives. It is not intended for slim laptops or compact enclosures that require a lower z-height. Buyers needing solid-state speed or larger capacities should consider other options.

18.8mm drive height

The critical specification is the 18.8mm maximum height which determines whether the drive fits in the target bay. Many server chassis and drive trays are built for this form factor while thinner bays will reject it. Verify the bay clearance before purchase.

How it compares

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

Price $207.99
Pricier than about 85% of the 645 comparable items (median $66.99).
Total capacity 500 GB
Higher than about 60% of the 419 comparable items (median 320 GB).
Price per TB $415.98 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 name632078-B21
Total capacity500 GB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height18.8 mm
Maximum width73.91 mm
Maximum length100.33 mm
Shipping weight0.20 kg
Package size185 × 112 × 25 mm

Questions about this item

How much heat does the 7200 RPM 500GB SATA drive generate when running continuously in a server?

The 2.5 inch 7200 RPM SATA 6.0Gb/s drive is built for server workloads; its 18.8mm height fits standard bays and the 500GB platters run at 7.2K speed for sustained throughput.

Does the HP 632078-B21 need a drive tray or caddy to install in my laptop?

The bare 2.5 inch SATA drive measures 73.91mm wide by 100.33mm long and uses the standard SATA data and power connectors; a tray is only required if your chassis uses a hot-plug carrier.

Will this 6.0Gb/s SATA drive work at full speed on a motherboard that only supports SATA 3.0Gb/s?

Yes, the SATA 6.0Gb/s interface is backward compatible and will operate at the host controller's maximum rate, so it works with older SATA ports.

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