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Silver 2.5 inch bare laptop hard drive with circuit board visible

Seagate

Seagate ST9160310AS Momentus 5400.5 160GB 2.5" laptop hard drive

SKU CH-XC0G-W772P MPN ST9160310AS

2.5-inch SATA laptop hard drive with 160 GB capacity, 5400 RPM spindle speed and 8 MB cache

  • Total capacity160 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory8 MB
  • Mean latency5.6 ms
  • 160 GB capacity for everyday laptop storage
  • 5400 RPM spindle speed for quiet operation
  • 8 MB cache helps with frequent file access
  • SATA 3.0 Gb/s interface fits standard 2.5" bays
  • 5 mm height matches most notebook drive slots

Product identity

The Seagate Momentus 5400.5 ST9160310AS is a 160GB 2.5-inch laptop internal hard drive with a SATA 3.0Gb/s interface. It spins at 5400 RPM and includes an 8MB cache for everyday notebook workloads.

Who it suits and who it does not

This drive suits owners of legacy laptops or external enclosures that require a 9.5mm SATA drive for basic storage expansion. Buyers who need higher capacity, solid-state speed, or a thinner 7mm form factor should look elsewhere.

Deciding specification

The SATA 3.0Gb/s interface and 9.5mm height determine whether this drive fits the target system. Verify the notebook or enclosure accepts a 2.5-inch drive at that thickness 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 $38.99
Cheaper than about 81% 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 $243.69 per TB
Typical for this category: the median of 416 items is $233.48 per TB.

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Specifications

Product
Brand nameSeagate
Product lineMomentus 5400.5
Model nameST9160310AS
Total capacity160 GB
Performance
Mean latency5.6 ms
Rotational speed5,400 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
Shipping weight1.13 kg
Package size135 × 102 × 13 mm

Questions about this item

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

The drive measures 9.5 mm tall, which is the standard height for most 2.5 inch laptop bays. Check your service manual to confirm the maximum drive height allowed.

What is the correct way to connect the SATA 3.0Gb/s interface without damaging the pins?

Align the L-shaped SATA data and power connectors, then press straight in until they click. The step people get wrong is forcing the cable at an angle, which bends the fragile pins on the drive.

When should I plan to replace this 5400 RPM mechanical drive?

Mechanical drives degrade over time; listen for new clicking or grinding noises and monitor SMART reallocated-sector counts. Replace the drive immediately if either appears to avoid data loss.

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