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Silver 2.5 inch bare SATA hard drive, new condition

Seagate

Seagate Momentus 5400.3 ST9160821AS 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" laptop hard drive

SKU CH-CDCX-JQ9C1 MPN ST9160821AS

A 2.5" SATA laptop drive storing 160 GB at 5400 RPM with an 8 MB cache and 1.5 Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 1.5Gb/s
  • Capacity160GB
  • Cache8MB
  • Average Latency5.6ms
  • RPM5400 RPM
  • Perpendicular recording enables 160GB capacity in standard 2.5" form factor
  • SATA 1.5Gb/s interface with 8MB cache delivers 11.0ms random read seek time
  • 5400 RPM operation draws only 2.0 watts to extend battery life
  • Whisper-quiet acoustics suit notebooks, tablets, printers and external storage
  • 6ms average latency supports fast performance and superb reliability

Notebook drive for legacy SATA systems

This 2.5" Seagate Momentus 5400.3 supplies 160GB of storage over a SATA 1.5Gb/s link. It spins at 5400 RPM with an 8MB cache and draws 2.0 watts, helping extend battery life in portable gear. Perpendicular recording packs the capacity into the standard 2.5" form factor.

Suits older laptops and low-power embedded gear

Buyers who need higher throughput or larger volumes should look elsewhere. The 1.5Gb/s interface and 5400 RPM spindle limit sustained transfer rates for modern workloads. Systems requiring 6Gb/s SATA or faster random access will not benefit from this drive.

SATA 1.5Gb/s interface decides fit

The drive connects only through a SATA 150 controller, so the host must provide that exact interface. A 6Gb/s port will negotiate down, but a machine lacking any SATA connector cannot use the drive at all.

Highlights

  • Perpendicular recording enables 160GB capacity in standard 2.5" form factor
  • SATA 1.5Gb/s interface with 8MB cache delivers 11.0ms random read seek time
  • 5400 RPM operation draws only 2.0 watts to extend battery life
  • Whisper-quiet acoustics suit notebooks, tablets, printers and external storage
  • 6ms average latency supports fast performance and superb reliability

Specifications

BrandSeagate
SeriesMomentus 5400.3
ModelST9160821AS
PackagingBare Drive
InterfaceSATA 1.5Gb/s
Capacity160GB
Cache8MB
Average Latency5.6ms
RPM5400 RPM
FeaturesSATA NCQ interface
Perpendicular recording technology for increased storage capacity
Fast performance
Whisper-quiet acoustics
Superb reliability
Rugged mobility
Low power consumption
Form Factor2.5"
Shipping weight0.10 kg
Package size102 × 70 × 8 mm

Questions about this item

Will the 2.5" form factor and SATA 1.5Gb/s interface fit my laptop's drive bay?

Yes, the drive uses the standard 2.5" form factor and a SATA 1.5Gb/s interface compatible with most laptop bays and caddies designed for 2.5" SATA drives.

Do I need to change any jumpers or BIOS settings when installing this bare SATA drive?

No jumpers are required for SATA drives; install the drive, ensure the SATA data and power cables are fully seated, then initialise and format the 160GB volume in your operating system.

How often should I check the drive health given the 5400 RPM mechanism and 8MB cache?

Monitor SMART attributes periodically using diagnostic software; the 5400 RPM motor and 8MB cache are sealed inside the enclosure and require no user maintenance.

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