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Feature T420 T420s T520
Core technology
Lenovo Enhanced Experience 2.0 for Windows® 7
Available Available Available
2nd generation Intel® Core™ i series processors
Available Available Available
Microsoft Office Starter 2010
Available Available Available
Solid-state storage drives
Selected Selected Selected
SuperSpeed USB 3.0 ports
Unavailable Available Unavailable
Displays and graphics
NVIDIA® Optimus™ technology
Selected Selected Selected
LED backlit displays
Available Available Available
Security and protection
Roll-cage technology
Available Available Available
Hard/storage drive impact protection
Selected Selected Selected
Shared docking station with other ThinkPad Series
Available Available Available
Long battery-life for all-day computing
Selected Selected Selected
Combined hardware/software security
Available Available Available
Integrated Fingerprint Reader
Selected Selected Selected
Password management software
Available Available Available
Intel® Anti-Theft protection
Available Available Available
Multimedia features
Integrated webcam
Selected Selected Selected
Multiformat memory card reader
Available Available Available
Voice-over IP (VoIP)-optimized
Available Available Available
Built-in solutions and convenience
Backup and recovery tools
Available Available Available
UltraNav® multi-pointing system
Available Available Available
Multitouch touchpad
Available Available Available
Connectivity
Industry-leading connectivity options
Available Available Available
Network connection software
Available Available Available
Mobile broadband (WWAN)
Selected Selected Selected
GPS capability
Selected Selected Selected
Environment and energy
Cool and quiet
Available Available Available
EPEAT® Gold environmental rating
Available Available Available
ENERGY STAR-compliant
Available Available Available
T420 T420s T520


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