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Silver rectangular 2.5 inch SATA hard drive with circuit board visible

DELL

DELL ST9500423AS 500 GB 7200 RPM 2.5 in SATA HDD accessory

SKU CH-PEYY-9ZK1M MPN ST9500423AS

A 500 GB, 7200 RPM, 2.5 inch SATA internal laptop hard drive with 16 MB cache

  • 500 GB capacity stores large media libraries
  • 7200 RPM spindle speeds up file access
  • 16 MB cache smooths burst workloads
  • 5 inch form factor fits laptop bays
  • SATA interface connects to standard controllers

500 GB 7200 RPM SATA laptop drive

The DELL ST9500423AS is a 500 GB internal hard drive spinning at 7200 RPM with a 16 MB cache. It uses a SATA 3 Gb/s interface in a 2.5 inch form factor and weighs 1.0 pound. The drive is supplied new and intended for laptop installations.

Fits SATA laptop bays only

This drive suits owners of laptops that accept a 2.5 inch SATA hard drive and need 500 GB of mechanical storage at 7200 RPM. It is not for systems limited to solid-state modules, for machines lacking a 2.5 inch drive bay, or for users who require an interface other than SATA.

SATA 3 Gb/s interface

The single specification that decides compatibility is the SATA 3 Gb/s interface on a 2.5 inch form factor. Only devices with a matching SATA connector and physical bay can use this drive.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $71.99
Pricier than about 87% of the 8,808 comparable items (median $16.99).

Specifications

No published specifications for this item yet.

Questions about this item

Does the ST9500423AS ship with a mounting bracket or SATA cable, or must those be sourced separately?

The drive is supplied as a bare 2.5 in unit; mounting hardware and data cables are not included and must be obtained separately.

The part number lists 500 GB and 16 MB cache — are there other capacity or cache variants under the same MPN?

MPN ST9500423AS identifies this single 500 GB, 16 MB cache model; other capacities carry different part numbers.

With a 7200 RPM spindle and SATA 3 Gb/s interface, what sustained transfer rate can I expect inside a laptop?

The 7200 RPM rotation and 16 MB buffer support typical mechanical-drive sequential speeds within the SATA 3 Gb/s link limit.

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