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Silver rectangular 2.5 inch hard drive with circuit board visible

HGST

HGST HTS727550A9E365 500 GB 2.5" 7200 RPM laptop hard drive

SKU CH-CAJN-DMRJ3 MPN HTS727550A9E365

A 500 GB 2.5-inch laptop drive spinning at 7200 RPM with 16 MB cache and SATA interface

  • Interface typeSATA
  • Cache memory16 MB
  • Rotational speed7,200 RPM
  • 7200 RPM spindle speed delivers faster data access
  • 500 GB capacity stores large media libraries
  • 16 MB cache buffers bursts for smoother performance
  • 5 inch 9.5 mm form factor fits standard laptop bays
  • Advanced Format 4096 byte sectors boost capacity and error correction

Travelstar 7K750 500 GB 7200 RPM SATA

The HGST Travelstar 7K750 HTS727550A9E365 is a 2.5 inch internal hard drive with a 500 GB capacity and a 7200 RPM spindle speed. It connects via a SATA interface and includes a 16 MB cache buffer. The drive uses Advanced Format 4096 byte sectors and fits the standard 9.5 mm z-height for laptop bays.

Faster laptop storage versus capacity

This drive suits users upgrading a laptop or external enclosure where a 7200 RPM mechanical drive offers quicker data access than slower-spinning alternatives. It is not for buyers who need the silent operation or lower power draw of a solid-state drive, nor for systems that only accept 7 mm slim drives.

7200 RPM spindle speed

The single specification that decides fit is the 7200 RPM rotational speed, which determines the drive's sustained transfer performance and access latency. Verify that the target laptop or enclosure supports a 9.5 mm high 2.5 inch SATA drive 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 $48.99
Cheaper than about 69% of the 645 comparable items (median $66.99).

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Specifications

Product
Brand nameHGST
Product lineTravelstar
Performance
Rotational speed7,200 RPM
Storage
Cache memory16 MB
Ports & slots
Interface typeSATA

Questions about this item

How does the 7200 RPM speed affect performance in a laptop?

The 7200 RPM spindle speed gives faster data access and higher sequential transfer rates than slower drives, so the operating system and applications load more quickly.

What does the SATA 300 interface mean for real-world throughput?

The SATA 300 interface caps the maximum burst transfer rate at 300 MB/s, so sustained read and write speeds will not exceed that limit.

Will the 9.5 mm height fit my 2.5 inch drive bay?

The drive measures 9.5 mm tall, which is the standard height for most 2.5 inch laptop drive bays and caddies.

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