Lenovo 4X20S56705 ThinkPad Mobile Workstation Slim 170W AC Adapter

• Mobile Workstation Replacement: Restore power availability when an original adapter is lost, damaged or unavailable.
• Enterprise Spare Inventory: Keep a dedicated 170W adapter available for critical workstation users.
• Office Workstation Deployment: Provide additional power adapters for fixed desk and hot-desk environments.
• Multi-Site IT Operations: Deploy the region-specific UK/HK/SGP/SRI SKU where applicable.
• Travel Workstations: Maintain a spare adapter so mobile professionals can leave one at the office.
• Engineering Workstations: Supply compatible ThinkPad systems that require up to 170W input power.
• Creative Professional Workflows: Support compatible high-performance ThinkPad configurations requiring a 170W adapter.
• Lifecycle Replacement: Replace aging or failed adapters without replacing the complete workstation.

• 170W Power Output: Provides the required power capacity for compatible high-performance ThinkPad workstation configurations.
• 20V Output / 8.5A Maximum Current: Delivers the electrical output specified for this 170W adapter class.
• 100–240V AC Input: Supports broad mains-voltage ranges, making the adapter practical for approved regional deployments.
• Slim Tip Connector: Provides the rectangular Slim Tip interface required by compatible ThinkPad systems.
• Compact Slim Design: Approximately 30% smaller than the ThinkPad Standard 170W AC Adapter, helping reduce desk and travel footprint.
• 1.5 m Cable: Provides useful reach between the adapter and workstation power connection.
• Black Finish: Provides a professional appearance suitable for corporate workstation environments.
• External Power Adapter: Allows an additional or replacement power source without changing the workstation itself.
• Regional SKU: UK/HK/SGP/SRI designation helps procurement teams select the appropriate regional variant.

• Brand: Lenovo
• Product Name: ThinkPad Mobile Workstation Slim 170W AC Adapter
• SKU / Part Number: 4X20S56705
• Product Type: External AC power adapter
• Power Capacity: 170W
• Output Voltage: 20V
• Maximum Output Current: 8.5A
• Input Voltage: 100–240V AC
• Input Frequency: 50–60Hz
• Input Connector: IEC 60320 C5
• Output Connector: Rectangular Slim Tip
• Cable Length: 1.5m
• Dimensions: 150 × 77 × 22mm
• Color: Black
• Operating Temperature: 0°C to 40°C
• Operating Humidity: 8% to 80%
• Quantity per Pack: 1
• Compatibility: Compatible ThinkPad systems requiring 170W Slim Tip
• Regional Version: UK / Hong Kong / Singapore / Sri Lanka
• Package Dimensions: 264 × 110 × 53mm
• Compliance / Certifications: C/UL, CB, CE, PSE, FCC, ICES, CCC, KC/KCC, RCM, BIS and other regional certifications listed by Lenovo documentation

Why Choose This Product?

• 170W Workstation Power: Designed for compatible ThinkPad mobile workstations requiring higher power capacity.
• Slimmer Form Factor: Approximately 30% smaller than the standard ThinkPad 170W adapter, improving portability and workspace efficiency.
• Broad AC Input: 100–240V input supports approved deployments across different mains-voltage environments.
• Correct Slim Tip Interface: Helps avoid connector mismatch when replacing an existing compatible ThinkPad adapter.
• Enterprise Spare Value: A dedicated spare can reduce workstation downtime caused by adapter failure or loss.
• Regional Procurement: The UK/HK/SGP/SRI SKU helps buyers select the appropriate regional version.
• Clear Part Identification: SKU 4X20S56705 simplifies purchasing, asset records and replacement ordering.
• Defined Warranty: One-year limited warranty supports procurement and lifecycle planning.