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Lenovo Security Cable Lock - Overview
Lenovo Security Cable Lock
Features and specifications

The Lenovo Security Cable Lock (57Y4303) allows customers to manage physical security access within the enterprise, offices, schools, libraries and research labs. Cable locks help reduce theft, and increase physical asset security protection for laptops, laptop docking stations, desktops and flat panel monitors.
Features include:

  • Strong security cable - powerful protection for your PC and PC accessories offering the following cable design:
    • 130 g (0.29 lbs) lightweight design is ideal to carry in a laptop carry case to secure laptop when traveling
    • 1.52 m (5 feet) length and 4.5 mm (0.18 inch) diameter for galvanized steel cable
    • 15 mm (0.6 inch) small diameter lock barrel mechanism design allows the cable lock to be used with thin-designed laptops
  • Zinc alloy lock using a stainless steel T-bar lock mechanism design
  • Convenient Velcro strap tie for cable management for travel or storage
  • One piece design for easy use – does not require glue, brackets or screws
  • Secure system to work area and prevent users from opening the chasis itself:
    • When attaching cable lock, to the following systems, the cable locks secures the system to the work area and also prevent users from opening the chasis itself:
      • All ThinkCentre systems
      • ThinkStation S10, D10, E20, S20, D20
    • When attaching cable lock, to the following systems, the cable lock secures the system to the work area:
      • ThinkStation C20, C20X
  • Free replacement keys available

Physical specifications
  • Lenovo Security Cable Lock (57Y4303):
    • Cable Length: 1.52 m (5 feet)
    • Cable Diameter: 4.5 mm (0.18 inch)
    • Cable Weight: 130 g (0.29 lbs)
    • Lock Mechanism Diameter: 15 mm (0.6 inch)
    • Lock Mechanism Design: Zinc alloy with stainless steel T-bar design
  • Lenovo Security Cable Lock packaged in a carton::
    • Height: 170 mm (6.69 in)
    • Width: 320 mm (12.60 in)
    • Depth: 150 mm (5.91 in)
    • Weight: 138 g (0.30 lbs)



3-year limited warranty provided by Kensington on the behalf of Lenovo.
For more information, contact Kensington at 800-280-8318 or 800-235-6708 or go to

  • Announce date: 24 Aug 2010 (Worldwide)
  • Availability date: 03 Sep 2010 (Worldwide)


Hardware requirements

Compatible with ThinkPad, ThinkCentre, ThinkStation, IdeaPad and IdeaCentre systems that offer a security cable lock slot (Kensington slot design).

Note: For the latest updates on the compatible systems, please refer to the Accessories Compatibility Guide.


  • Lenovo Security Cable Lock
  • Two cable lock keys
  • Setup Poster

Note: Replacement cable lock keys requires the keycode from the key; customers are responsible to record keycode.

Additional product information
Publications - Instruction manuals for your product
Lenovo Support: Security Reference Guide list - A list of other available security accessories
Lenovo Support: Monitor Accessories - A list of other available monitor accessories

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

Country Availability
Document ID : PD012631
Legacy Document ID : MIGR-76095
Last Updated :
Copyright © Lenovo 2013, all rights reserved
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