Lenovo 4XE1B81920 NanoSaver Twin Head Nano/MS 2.0 MasterKey Cable Lock

• Mixed Lenovo endpoint fleets: Secure devices using NanoSaver and MicroSaver 2.0 slots without maintaining separate lock types for each interface.
• Enterprise IT asset management: Add a standardized physical-security layer to laptops, tablets, desktops, monitors and compatible accessories.
• Centralized MasterKey environments: Integrate compatible locks into an organization's MasterKey-based security and key-management process.
• Corporate offices: Secure unattended computing equipment at individual desks, shared workstations and controlled office areas.
• Education and training facilities: Protect compatible endpoint equipment deployed in classrooms, computer labs and shared learning environments.
• Healthcare and administrative workstations: Provide physical protection for compatible devices located in accessible operational areas.
• Retail and customer-facing deployments: Secure compatible displays and computing equipment where equipment may be exposed to visitors or customers.
• IT staging and deployment areas: Protect compatible equipment during imaging, configuration, inventory processing and rollout activities.

• Twin-head design with NanoSaver and MicroSaver 2.0 heads - Supports mixed device fleets and reduces the need to stock separate lock solutions.
• MasterKey configuration - Enables use within a centralized MasterKey security architecture when paired with the required Lenovo MasterKey 4Z10P40249.
• 5 mm keying system - Supports compatibility across Lenovo's 5 mm keying systems, including MicroSaver 2.0, helping organizations standardize key-based security.
• 10 mm lock head with Cleat Locking Technology - Provides a purpose-designed locking interface for compatible NanoSaver-equipped equipment.
• Carbon-steel cable - Provides a physical security cable designed for cut and theft resistance while maintaining mobility.
• 2.4 m (8 ft) twin-head cable - Provides extended reach for securing two compatible device interfaces or positioning equipment around suitable fixed anchor points.
• Pivot-and-rotate cable - Allows greater cable movement, helping IT users manage awkward installation angles and position devices more conveniently.
• Hidden Pin Technology - Supports anti-pick protection through Lenovo's tubular locking design.
• Independent verification and testing - Lenovo states that the solution has been independently verified and tested against industry standards covering torque/pull, foreign implements, lock lifecycle, corrosion, key strength and environmental conditions.
• OS-independent operation - Physical locking does not depend on a device operating system, supporting heterogeneous endpoint environments.

• Brand: Lenovo
• Product Name: NanoSaver Twin Head Nano/MS 2.0 MasterKey Cable Lock
• Model / Part Number: 4XE1B81920
• Product Type: Twin-head MasterKey security cable lock
• Lock Head Configuration: 1 × NanoSaver + 1 × MicroSaver 2.0
• Locking Technology: Cleat Locking Technology
• Lock Head Size: 10 mm
• Keying System: 5 mm
• MasterKey Requirement: Requires Lenovo MasterKey 4Z10P40249
• Cable Material: Carbon steel
• Cable Design: Pivoting and rotating
• Cable Length: 2.4 m (8 ft) for twin-head configuration
• Cable Diameter: 5 mm
• Security Technology: Hidden Pin Technology
• Lock Mechanism: Cleat
• Connection Type: Cleat / NanoSaver Lock Slot
• Color: Black
• Operating System Requirement: OS Independent
• Minimum Operating Temperature: -5°C / 23°F
• Maximum Operating Temperature: 40°C / 104°F
• Minimum Relative Humidity: 5%
• Maximum Relative Humidity: Not specified in the reviewed Lenovo listing
• Packed Dimensions: 0.25 m × 0.17 m × 0.03 m
• Product Weight: 0.27 kg
• Packed Weight: 0.30 kg
• Warranty Period: 3 Years
• Warranty Type: Contact Lenovo service
• Compatibility: NanoSaver + MicroSaver 2.0 slots

Why Choose This Product?

• Supports mixed device fleets: One twin-head design accommodates both NanoSaver and MicroSaver 2.0 interfaces.
• Built for centralized security: The MasterKey configuration is suited to organizations managing physical security across multiple IT assets.
• Simplifies keying strategy: Lenovo's 5 mm keying system supports compatibility with Lenovo's broader 5 mm keying ecosystem.
• Extended installation reach: The 2.4 m twin-head cable provides greater flexibility for workstation and multi-device deployments.
• Flexible cable management: Pivoting and rotating movement helps installers position the cable without unnecessary bends or awkward angles.
• Enhanced physical protection: Cleat Locking Technology and Hidden Pin Technology provide purpose-built security features for compatible devices.
• Procurement-friendly standardization: A defined Lenovo SKU and MasterKey architecture can help IT teams create consistent physical-security specifications.
• Suitable for heterogeneous environments: OS-independent operation allows the physical lock to be deployed across different endpoint operating environments.