Laptop HDD

Feature Rich Laptop Hard Drive, Up to 2TB Capacity 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 SED2
  • Compatible with SATA 6Gb/s and 3Gb/s designs
  • Backed by a 2-year limited warranty
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 inn 500GB, 320GB and 250GB capacity options
  • 9.5mm hard drive is available in 2TB, 1TB and 500GB capacity options

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 SEDs 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 validation2
  • Instant on-the-fly encryption without performance degradation
  • Instant Secure EraseTM technology3 that can instantly erase the security key data on your hard drive if needed, enabling secure disposal or repurposing of the SED

2Self-Encrypting Drives and FIPS 140-2 Validated drives are not available in all models or countries.
3ISO/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"


Spin Speed
Areal Density
Maximum Operating Shock
Typical Weight
Annualized Failure Rate (AFR)
Operating (drive case, max)
Average Operating Power
  • Laptop HDD 2TB SATA 6Gb/s Hard Drive
  • Data Sheet
  • Laptop HDD 2TB SATA Hard Drive Kit
  • Data Sheet
  • Laptop HDD 1TB 2.5 Inch SATA Hard Drive Kit
  • Data Sheet
  • Laptop HDD 500GB Kit
  • Data Sheet
  • Laptop HDD 1TB SATA 6Gb/s Hard Drive
  • Data Sheet
2TB 2TB 1TB 500GB 500GB 500GB 500GB 500GB 500GB 320GB 320GB 250GB
SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s
5400RPM 5400RPM 7200RPM 5400RPM 5400RPM 7200RPM 7200RPM 5400RPM 5400RPM
32MB 16MB 32MB 16MB 16MB 32MB 32MB 16MB 16MB
950 705 670 705 705 670 670 705 705
Encryption/FIPS Encryption Encryption/FIPS
300Gs 400Gs 400Gs 400Gs 400Gs 400Gs 400Gs 400Gs 400Gs
100.35mm 100.58mm 100.58mm 100.55mm 100.58mm 100.55mm 100.55mm 100.55mm 100.55mm 100.55mm 100.55mm 100.55mm
69.85mm 69.85mm 69.85mm 70.10mm 69.85mm 70.10mm 70.10mm 70.10mm 70.10mm 70.10mm 70.10mm 70.10mm
9.5mm 9.5mm 9.5mm 7.0mm 9.5mm 7.0mm 7.0mm 7.0mm 7.0mm 7.0mm 7.0mm 7.0mm
130g 99.0g 99.0g 95 99.0g 95g 95 95 95g 95g 95 95
0.48% 0.48% 0.48% 0.48% 0.48% 0.48% 0.48% 0.48% 0.48%
60°C 60°C 60°C 60°C 60°C 60°C 60°C 60°C 60°C
2.3W 1.2W 1.5W 1.2W 1.2W 1.5W 1.5W 1.2W 1.2W