Seagate ST320LT030 320GB SATA Hard Drive

Seagate Part #/MPN: ST320LT030

DiscTech Item #: SGT-ST320LT030-BN-1Y

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Capacity: 320GB

Speed: 5,400RPM

Interface Types: SATA

Form Factor: 2.5in x 5mm Ultrathin

Sector Size: 512 / 512e

Sustained Throughput: 100

Average Seek Time: <13/<15

Electrical Interface: SATA 600 - 6.0Gbps

On-Board Cache: 16MB

Seagate ST320LT030 320GB 2.5in 6Gbps 5.4K RPM Laptop Ultrathin SATA HDD - Brand New

Seagate ST320LT030 320GB 2.5" 6.0 Gbps 5400 RPM Laptop Ultrathin Serial Advanced Technology Attachment Hard Disk Drive - Brand New

Laptop Ultrathin HDD

Thin, Light, Affordable.

  • One of the thinnest and lightest laptop HDDs—5mm, 3.3 oz and thinner than a pencil
  • Affordable, high-capacity storage gives system builder options when integrating low profile storage into slim laptop and ultrabook solutions
  • Compatible with every portable PC with a standard SATA 6Gb/s interface, enabling easy upgrade or design integration.
  • Up to 500GB in 25% less space—get industry-leading cost-per-GB and cost-per-millimeter
  • Frees up valuable space within a device to accommodate additional features.
  • Supports options for Seagate Secure™ Self-Encrypting Drive features with on-the-fly data encryption meeting TCG Opal protocol.

Best-Fit Applications

  • Slim laptops or ultrabooks.
  • Extending high-capacity, affordable storage into other applications and slim devices.
  • Backup storage.


This drive is compatible with any server that accepts 2.5" x 5mm (Ultra Thin) SATA drive.

Drive ModelST320LT030
InterfaceSATA 6Gb/s
Cache (MB)16
Seek Average, Read (ms)<13
Seek Average, Write (ms)<15
Max. Sustained Data Transfer Rate OD (MB/s)100
Max. Data Transfer Rate (MB/s)600
Bytes per Sector (logical/physical)512/4096
Reliability/Data Integrity
Load/Unload Cycles600,000
Nonrecoverable Read Errors per Bits Read, Max1 per 10E14
Power Management
Startup Power, Typical (A)1.0
Power Seek, Typical (W) 1.4
Power Idle, Typical (W) 0.48
Operating Temperature (°C)0 to 60
Nonoperating Temperature (°C)-40 to 70
Operating Shock: 2ms (Gs)400
Nonoperating Shock: 1ms (Gs)1000
Acoustics Idle Typical (bels-sound power)2.0
Acoustics Seek, Typical (bels-sound power)2.2
Height (mm/in)5.0/0.197
Width (mm/in)69.85/2.75
Depth (mm/in)100.35/3.95
Weight (g/lb)93/0.205
Special Features
Halogen FreeYes
RoHS ComplianceYes

Click here to view the manufacturer's item description/brochure

ROHS Compliant

Weight: 1 lb

Warranty: 1 Year Manufacturer

Brand New

Condition Levels Explained

The product is brand new.

1 Year Manufacturer Warranty

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.