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Silver 2.5 inch 7mm bare laptop hard drive

Seagate

Seagate Momentus Thin ST320LT020 320GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" 7mm laptop hard drive

SKU CH-FVMT-R1MZV MPN ST320LT020

A slim 7mm, 2.5-inch SATA drive delivering 320GB at 5400 RPM with 16MB cache for ultraportable laptops

  • Total capacity320 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory16 MB
  • Mean latency5.6 ms
  • Slim 7.0 mm height fits ultra-thin laptops and netbooks
  • 320 GB capacity stores documents, media and applications
  • 5400 RPM spindle speed balances performance with low power draw
  • 16 MB cache and 5.6 ms latency speed up everyday file access
  • SATA 3.0 Gb/s interface works in both 7 mm and 9.5 mm drive bays

Thin 7mm SATA drive for slim laptops

The Seagate Momentus Thin ST320LT020 is a 2.5 inch internal hard drive with a 7.0 mm height. It offers 320GB capacity over a SATA 3.0Gb/s interface. The drive spins at 5400 RPM and includes 16MB cache. It is built for entry-level to high-performance laptops, netbooks and ultraportables needing a slim profile.

Fits 9.5mm bays; not for speed-first builds

The 7mm form factor slides into standard 9.5mm drive bays without adapters. It suits owners of thin-and-light notebooks or consumer electronics where vertical space is limited. Buyers who want faster random access or larger capacities should look at solid-state drives or higher-capacity mechanical drives instead.

Bare drive drops into standard SATA slot

Installation is a direct swap into any 2.5 inch SATA bay; no brackets or rails are included in the bare-drive package. Seagate SmartAlign technology handles 4K sector migration automatically in the background. The only common issue is forgetting to initialise the new volume in the operating system before use.

How it compares

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

Price $90.99
Pricier than about 62% of the 645 comparable items (median $66.99).
Total capacity 320 GB
Typical for this category: the median of 419 items is 320 GB.
Price per TB $284.34 per TB
Pricier than about 58% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameSeagate
Product lineMomentus Thin
Model nameST320LT020
Total capacity320 GB
Performance
Mean latency5.6 ms
Rotational speed5,400 RPM
Storage
Cache memory16 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height7 mm
Maximum width70.1 mm
Maximum length100.55 mm
Shipping weight0.50 kg
Package size102 × 70 × 6 mm

Questions about this item

What SATA interface version must the laptop support for this 3.0Gb/s drive to operate?

The laptop must provide a SATA 3.0Gb/s interface, which is the standard SATA revision used by this 2.5-inch 7mm drive.

Will the 7.0mm height fit in a chassis designed for 9.5mm drives?

Yes, Seagate 7mm HDDs are compatible with all 9.5mm systems and use the standard SATA interface.

How can I confirm the 5400 RPM drive is recognised correctly after installation?

Check the BIOS or operating system device manager for model ST320LT020, 320GB capacity and SATA 3.0Gb/s link speed.

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