Laptop HDD


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2.5-inch SATA Hard Drive with Laptop Encryption

Feature-rich, slim, lightweight style at price and capacity points that enable no-compromise designs for thin computing.

  • Available as a Self-Encrypting Drive (SED) and FIPS 140-2 SED1
  • Compatible with SATA 6Gb/s and 3Gb/s designs
  • Backed by a 2-year limited warranty

1Self-Encrypting Drives and FIPS 140-2 Validated drives are not available in all models or countries.

1TB laptop thin 7mm slim form factor

2.5-inch Laptop Drives Available in Several Capacities

Seagate's purpose-built the 2.5-inch Laptop HDDs help meet our customers’ demand for affordable, flexible computing solutions. 

  • 7mm hard drive is available in 500GB, 320GB and 250GB options
  • 9.5mm hard drive is available in 2TB, 1TB and 500GB options
  • 15mm hard drive is available in 4TB and 3TB options (for external hard drives and all-in-one or ultra-slim desktop drives).

Reliable HDD storage laptop 5mm thin design

Smooth Migration to Advanced Format 4K

Laptop Thin HDDs include Seagate SmartAlign technology.1 This innovation helps you easily get all the benefits of the new Advanced Format (AF) 4K sector standard—no utilities, no extra steps—automatically in the background. Performance is not affected, and there is no need for time-consuming utilities required by other AF-enabled drives. 

1Seagate SmartAlign technology may not be available on all models. Refer to the appropriate data sheet for further information.

Secure Laptop Encryption (SED) Options

Laptop Thin HDDs can deliver government-grade encryption without performance degradation—protecting your data where it lives. You get all the benefits of secure data encryption without the headaches.

  • Ships with the Trusted Computing Group (TCG) Opal protocol
  • The world’s first 7mm SED to ship with FIPS 140-2 validation1
  • Instant on-the-fly encryption without performance degradation
  • Instant Secure EraseTM technology2 that can instantly erase the security key data on your hard drive if needed, enabling secure disposal or repurposing of the SED

1Self-Encrypting Drives and FIPS 140-2 Validated drives are not available in all models or countries.
2ISO/IEC 27040 (Information technology—Security techniques—Storage security) and NIST 800-88 (Guidelines for Media Sanitization)

laptop 2 5hdd 2tb

Available with the Laptop HDD Kit:

  • 9.5mm z-height, 2.5-inch hard drive
  • 2TB, 1TB or 500GB drive capacity options


Thin Hard Drive Perfect For:

  • Building entry-level to high-performance ultraportables laptops
  • Creatng thin, light netbooks without compromising storage or affordability
  • Designing slim consumer electronics devices
  • Protecting your sensitive data

Laptop Thin HDD Reviews

Seagate Momentus Thin powers first HDD-based tablets"


Model Data Sheet User Manual Capacity Interface Length Width Height
Laptop HDD SATA 2TB Retail Kit
2TB SATA 6Gb/s 100.58mm 69.85mm 9.5mm
Laptop HDD SATA 1TB Retail Kit
1TB SATA 6Gb/s 100.58mm 69.85mm 9.5mm
Laptop HDD 500GB Retail Kit
500GB SATA 6Gb/s 100.58mm 69.85mm 9.5mm