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Silver 2.5 inch bare laptop hard drive with circuit board visible

HGST

HGST 0J11561 500GB 5400 RPM 8MB SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-P3SK-RBG4Q MPN 0J11561

500 GB laptop hard drive with 5400 RPM, 8 MB cache, SATA 3.0 Gb/s interface, 2.5" form factor and low power consumption

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity500GB
  • Cache8MB
  • RPM5400 RPM
  • FeaturesAdvanced Format, industry standard 4K sector size 512 byte e
  • 500 GB capacity stores large media libraries and backups
  • 5400 RPM spindle speed balances throughput with quiet operation
  • 8 MB cache accelerates frequent read and write requests
  • SATA 3.0 Gb/s interface connects directly to most laptop drive bays
  • 5 mm z-height fits standard 2.5 inch notebook slots

500 GB SATA laptop drive

This 2.5 inch internal hard drive delivers 500 GB of storage on a SATA 3.0Gb/s interface. It spins at 5400 RPM with an 8 MB cache and uses Advanced Format 4K sectors with 512 byte emulation. The bare drive suits notebooks and other 9.5 mm bays.

Advanced Format sector layout

The drive presents 4K physical sectors while emulating 512 byte logical sectors for broad operating-system compatibility. Low power consumption helps extend battery life in portable systems. No cables, brackets or software are included with the bare-drive package.

Simple 2.5 inch installation

Mount the drive in any standard 9.5 mm high bay and connect the SATA data and power cables. The 512e emulation avoids alignment issues on modern and legacy operating systems alike. Builders needing 7 mm height or a pre-loaded operating system must look elsewhere.

Highlights

  • 500 GB capacity stores large media libraries and backups
  • 5400 RPM spindle speed balances throughput with quiet operation
  • 8 MB cache accelerates frequent read and write requests
  • SATA 3.0 Gb/s interface connects directly to most laptop drive bays
  • 5 mm z-height fits standard 2.5 inch notebook slots

Specifications

BrandHitachi GST
Model0J11561
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity500GB
Cache8MB
RPM5400 RPM
FeaturesAdvanced Format, industry standard 4K sector size
512 byte emulation (512e)
Low power consumption
Form Factor2.5"
Height (maximum)9.5mm
Width (maximum)69.75mm
Length (maximum)100.3mm
Shipping weight0.11 kg
Package size114 × 76 × 13 mm

Questions about this item

How often should I plan to replace the 5400 RPM mechanical drive in a laptop that runs daily?

Mechanical drives have moving parts that wear over time; budget for a replacement after three to five years of daily use and keep backups current.

What performance limit appears first when the 5400 RPM drive handles sustained transfers?

The 5400 RPM spindle speed caps sustained throughput well below the SATA 3.0Gb/s interface maximum, so sequential reads and writes plateau at the mechanical rate.

How much heat and noise does the 2.5 inch 5400 RPM drive produce during all-day operation?

Low power consumption keeps heat modest and acoustic output quiet; the 9.5mm z-height fits standard laptop bays without extra cooling.

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