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Silver rectangular 2.5 inch laptop hard drive with green circuit board visible

Seagate

Seagate ST9500424AS 500GB 7200 RPM 16MB Cache SATA 2.5" laptop hard drive

SKU CH-0KQT-D89CQ MPN ST9500424AS

A 500 GB 2.5" laptop hard drive spinning at 7200 RPM with 16 MB cache and a SATA 3.0Gb/s interface

  • Capacity500GB
  • RPM7200 RPM
  • InterfaceSATA 3.0Gb/s
  • Cache16MB
  • Average Seek Time11ms
  • Average Latency4.17ms
  • 7200 RPM speeds up data access on laptops
  • 16 MB cache reduces wait times for frequent files
  • SATA 3.0 Gb/s interface fits standard notebook bays
  • 5 inch 9.5 mm form factor matches most laptop drive cages
  • 500 GB capacity stores large media libraries

Drive profile

The Seagate Momentus ST9500424AS is a 2.5 inch laptop internal hard drive built for 7200 RPM operation. It targets users who need a direct replacement drive for older notebooks or external enclosures that accept a 9.5mm SATA device.

Capacity and headroom

The drive provides 500GB of storage with a 16MB cache and an average seek time of 11ms. Average latency sits at 4.17ms. Units may show up to 25 bad sectors and are erased to DoD 5220.22 M compliance, so they arrive unformatted and unpartitioned.

SATA 3.0Gb/s limit

The SATA 3.0Gb/s interface caps sustained transfer rates below what modern SSDs deliver. The mechanical design and 7200.5 series platform mean the drive cannot match solid-state responsiveness or endurance for heavy write workloads.

商品特色

  • 7200 RPM speeds up data access on laptops
  • 16 MB cache reduces wait times for frequent files
  • SATA 3.0 Gb/s interface fits standard notebook bays
  • 5 inch 9.5 mm form factor matches most laptop drive cages
  • 500 GB capacity stores large media libraries

商品規格

BrandSeagate
SeriesMomentus
ModelST9500424AS
Capacity500GB
RPM7200 RPM
InterfaceSATA 3.0Gb/s
Cache16MB
Average Seek Time11ms
Average Latency4.17ms
Flash Memory CapacityN/A
Form Factor2.5"
Height (maximum)9.5mm
FeaturesImportant Warranty Information
This product is end-of-sale and no longer warranted by the manufacturer. Instead, warranties this product for one year from date of purchase. If you require warranty service after thirty days, please contact Customer Service, not the manufacturer.
出貨重量0.91 kg
包裝尺寸140 × 89 × 51 mm

商品問答

Will the ST9500424AS 500GB 7200 RPM drive work in a laptop that only supports SATA 1.5Gb/s?

Yes, the SATA 3.0Gb/s interface is backward compatible with SATA 1.5Gb/s controllers, though the drive will run at the slower 1.5Gb/s link speed.

How can I confirm the 7200.5 drive is performing correctly after installation?

Run a SMART self-test and verify the drive reports 500GB capacity, 7200 RPM spindle speed, and 16MB cache in the BIOS or a disk utility.

Does the 2.5 inch 9.5mm height drive include mounting screws or a SATA cable in the box?

The OEM drive is supplied without screws, cables, brackets, or adapters; those must be sourced from the laptop chassis or purchased separately.

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