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Silver 2.5 inch SATA hard drive bare drive label visible

HGST

HGST 0A57915 500GB 5400 RPM 8MB SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-J5RR-2ZDPX MPN 0A57915

A 500 GB 2.5-inch laptop hard drive spinning at 5400 RPM with 8 MB cache and a SATA 3.0Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity500GB
  • Cache8MB
  • Average Seek Time12ms
  • Average Latency5.5ms
  • 500 GB capacity stores large media libraries and backups
  • 5400 RPM spindle with 8 MB cache balances speed and quiet operation
  • SATA 3.0 Gb/s interface fits most laptops and consoles
  • Lowest power consumption in its class extends battery life
  • Halogen-free design meets eco-friendly manufacturing standards

Product identity

This is a new HGST Travelstar 5K500.B laptop internal hard drive with 500GB capacity, 5400 RPM spindle speed, 8MB cache and a SATA 3.0Gb/s interface in a 2.5 inch bare-drive form factor. It is built for notebook PCs, external enclosures, gaming consoles and similar mobile applications where low power consumption and halogen-free materials are priorities.

Who it suits

It suits users upgrading or replacing a 2.5 inch SATA drive in a laptop, console or external case who want a balance of capacity, ruggedness and low power draw with enhanced availability for around-the-clock access in lighter transaction workloads. It does not suit builds that need a faster spindle speed, larger cache or a different interface than SATA 3.0Gb/s.

Deciding specification

The single specification that decides fit is the SATA 3.0Gb/s interface combined with the 2.5 inch form factor; the drive will only work in systems that provide a matching SATA connection and physical bay.

Highlights

  • 500 GB capacity stores large media libraries and backups
  • 5400 RPM spindle with 8 MB cache balances speed and quiet operation
  • SATA 3.0 Gb/s interface fits most laptops and consoles
  • Lowest power consumption in its class extends battery life
  • Halogen-free design meets eco-friendly manufacturing standards

Specifications

BrandHitachi GST
SeriesTravelstar 5K500.B
ModelHTS545050B9A300 (0A57915)
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity500GB
Cache8MB
Average Seek Time12ms
Average Latency5.5ms
RPM5400 RPM
FeaturesLowest power consumption in its class
Halogen-free for eco-friendly footprint
Enhanced availability (EA) models for applications needing around-the-clock access in lower-transaction environments
Form Factor2.5"
Shipping weight0.91 kg
Package size121 × 102 × 11 mm

Questions about this item

Does the SATA 3.0Gb/s interface limit the 5400 RPM drive's real-world throughput?

The SATA 3.0Gb/s link caps the maximum burst transfer rate at 300 MB/s, while the 5400 RPM mechanism with 8MB cache typically delivers sustained reads well below that ceiling.

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

The drive measures 2.5 inches wide and fits standard laptop bays and external enclosures designed for 2.5-inch SATA drives.

How is the bare drive installed in a laptop, and what step is often missed?

Slide the bare drive into the SATA connector, secure it with the caddy or screws, then initialise and format the new volume in the operating system before use.

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