Seagate

Seagate ST320LT020 Momentus Thin 320GB Internal Hard Drive

4.1 (19 reviews)

Affordable and Thin Storage for Laptops The Seagate Momentus Thin ST320LT020 is a 320 GB 2.5-inch internal hard drive designed for entry-level to mainstream laptops, high-end netbooks, and thin ultraportables. Its 7mm form factor and efficient design provide affordable storage solutions.

$38.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Affordable and Thin Storage for Laptops

The Seagate Momentus Thin ST320LT020 is a 320 GB 2.5-inch internal hard drive designed for entry-level to mainstream laptops, high-end netbooks, and thin ultraportables. Its 7mm form factor and efficient design provide affordable storage solutions.

Key Features

See full specs below in description

Data Recovery Service Available

30-Day Money Back Guarantee

30-Day Tech Support

Specifications

Model
ST320LT020
Series
Momentus Thin
Capacity
320GB
Type
Internal Hard Drive

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Pros & Cons

👍 Pros

  • Provides 320GB of storage capacity, which is sufficient for operating systems, essential programs, and a good amount of personal files.
  • Designed as a "Momentus Thin" drive, suggesting a slim form factor that is ideal for compact laptops and notebooks.
  • Comes with a 30-Day Money Back Guarantee, offering peace of mind and assurance with your purchase.
  • Includes 30-Day Tech Support, providing assistance for any installation or operational questions you might have.
  • The option for Data Recovery Service Available adds an extra layer of security for valuable stored information.

👎 Cons

  • A 320GB capacity might be considered limited for users with extensive media libraries or large software suites.
  • As an HDD, it will inherently offer slower boot times and application loading compared to solid-state drives (SSDs).
  • Specific details about the drive's RPM (revolutions per minute) or cache size are not provided, impacting performance expectations.
  • The "Momentus Thin" branding does not specify the exact height (e.g., 7mm or 5mm), which is crucial for compatibility in some ultrabooks.
  • The 30-day tech support and money-back guarantee are relatively short-term benefits, not a long-term warranty.

Frequently Asked Questions

The Seagate ST320LT020 Momentus Thin internal hard drive offers a storage capacity of 320GB.
Yes, it is part of the "Momentus Thin" series, indicating it's designed with a slim profile suitable for thin laptops.
This hard drive includes a 30-Day Money Back Guarantee and 30-Day Tech Support, along with the availability of a Data Recovery Service.
The product description states "See full specs below in description," but only limited features are directly provided in the listing.
Yes, a Data Recovery Service is available for this Seagate hard drive, offering a safety net for your stored information.