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Silver 2.5 inch bare laptop hard drive with circuit board visible

Seagate

Seagate Momentus 7200.2 ST9160823ASG 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-DP03-P147Y MPN ST9160823ASG

A 2.5 inch laptop hard drive with 160GB capacity, 7200 RPM speed and 8MB cache over a SATA 3.0Gb/s interface

  • Total capacity160 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory8 MB
  • Average seek time11 ms
  • 7200 RPM spindle speeds up application load times
  • 8 MB cache buffer smooths burst data transfers
  • G-Force Protection sensor parks heads instantly during drops
  • Low power draw extends laptop battery runtime
  • 5 inch 9.5 mm form factor fits standard drive bays

Seagate Momentus 7200.2 160GB laptop drive

The Seagate Momentus 7200.2 ST9160823ASG is a 2.5-inch internal hard drive built for laptop upgrades or replacements. It offers 160GB of storage on a SATA 3.0Gb/s interface with a 7200 RPM spindle speed and 8MB cache. The drive includes Seagate G-Force Protection freefall sensor technology and perpendicular recording for data reliability. Low power consumption helps extend battery life in mobile systems.

Suits owners of older SATA notebooks.

This drive suits owners of older laptops that use a 2.5-inch SATA 3.0Gb/s bay and need a mechanical drive with 7200 RPM performance. Buyers who want a solid-state drive, a larger capacity than 160GB, or a faster SATA link should look elsewhere. The 9.5mm height fits most standard drive bays, but ultra-thin chassis may require a slimmer drive. It is sold as a bare drive without cables, brackets or mounting screws.

7200 RPM spindle speed decides responsiveness

The single specification that decides whether this is the right part is the 7200 RPM spindle speed. It determines the drive's average seek time of 11ms and average latency of 4.17ms, which set the baseline for application load times and file transfer rates. If your workflow needs the lower latency and higher sustained throughput of solid-state storage, a mechanical 7200 RPM drive will not meet that requirement.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $47.99
Cheaper than about 70% of the 645 comparable items (median $66.99).
Total capacity 160 GB
Lower than about 70% of the 419 comparable items (median 320 GB).
Price per TB $299.94 per TB
Pricier than about 60% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameSeagate
Product lineMomentus 7200.2
Model nameST9160823ASG
Total capacity160 GB
Performance
Average seek time11 ms
Mean latency4.17 ms
Rotational speed7,200 RPM
Storage
Cache memory8 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height9.5 mm
Maximum width69MM
Maximum length100MM
Shipping weight0.45 kg
Package size152 × 102 × 51 mm
More details
Variant30 DAYS WARRANTY ON USED

Questions about this item

Will the 9.5 mm height fit my laptop's 2.5 inch bay?

The drive measures 9.5 mm tall, 69 mm wide and 100 mm long, matching the standard 2.5 inch laptop bay.

Do I need a caddy or bracket to install this SATA 3.0Gb/s drive?

Most laptops accept the bare drive directly; slide it into the bay and secure the single screw — forgetting that screw is the common mistake.

How long before the 7200 RPM mechanism typically needs replacement?

The drive carries a three-year limited warranty; after that period plan for replacement as mechanical wear increases.

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