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Lenovo USB 2.0 Portable 320GB Hard Drive - Overview

 Lenovo USB 2.0 Portable 320GB Hard drive (45K1689)

Features and specifications

The Lenovo USB 2.0 Portable 320GB Hard drive (45K1689) options provides the ultimate in portability and ease of use without sacrificing capacity. Features include:

  • High-speed USB 2.0 Interface
  • Compact size; fits in a shirt pocket
  • Operating system independent, no operating systems drivers needed.
  • 320 GB capacity
  • 5400 rpm speed
  • No Auxiliary power USB cable included
  • No Carrying case included
  • Innovative top cover design
  • No requirement for ac power adapter -- Does not require two USB ports on systems, depending upon configuration.

Performance specifications:

  • Typical data transfer speeds:
    • USB 1.1
      • Read up to 900 KBps
      • Write up to 700 KBps
    • USB 2.0
      • Read up to 30 MBps
      • Write up to 25 MBps


Physical specifications:

  • Lenovo USB 2.0 Portable 320GB Hard drive (45K1689)
    • Approximate height: 14 mm (0.5 in)
    • Approximate width: 77 mm (3.0 in)
    • Approximate length: 130 mm (5.1 in)
    • Approximate weight: 154 g (6 oz)
  • Lenovo USB 2.0 Portable 320GB Hard drive (45K1689) packaged in a carton:
    • Approximate height: 67 mm (2.6 in)
    • Approximate width: 110 mm (4.3 in)
    • Approximate length: 160 mm (6.3 in)
    • Approximate weight: 300 g (11 oz)

Note: GB = 1 billion bytes when referring to storage capacity; accessible capacity is less.


1 year - Customer Replacement Unit (CRU) Service

  • Announce date: 17 Mar 2009 (Worldwide)
  • Availability date: 17 Mar 2009 (Worldwide)
  • Announce date: 21 Jul 2009 (Europe/Middle East/Africa - retail pack)
  • Availability date: 07 Aug 2009 (Europe/Middle East/Africa - retail pack)
  • Effective withdrawal date: 19 March 2013 (Worldwide)

Hardware compatibility

Systems with an available USB 2.0 port.


  • This option is not supported on the following systems:

Software requirements
  • Microsoft Windows XP (Service Pack 2 or later)
  • Microsoft Windows Vista
  • Microsoft Windows 7

  • Lenovo USB 2.0 Portable 320GB Hard Drive
  • USB cable
  • User's Guide


Booting to the Lenovo Portable USB Portable 320GB Hard Drive option requires system BIOS support. Refer to the system user guide to determine if your system supports booting to USB hard drives.

Agency approvals

Additional product information
Service parts - Parts listing for your product
Lenovo Support: Hard Drives: Reference Guide - - A list of other internal and external notebook hard drives
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Disponibilidade País
ID do documento : PD011289
Legacy Document ID : MIGR-72090
Atualizado :
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