Lenovo ThinkPad T420si User Manual page 32

• mSATA solid state drive (on some models)
Display
The color display uses TFT technology:
• Size: 14.01 inch (355.6 mm)
• Resolution:
– LCD: Up to 1600-by-900, depending on the model
– External monitor: Up to 2048-by-1536
• Brightness control
• ThinkLight
• Integrated camera (on some models)
• Multitouch panel (on some models)
• Built-in microphones (on some models)
Keyboard
• 89-key, 90-key, or 94-key
• UltraNav (TrackPoint and multi-touch touch pad)
• Fn key function
• ThinkVantage button
• Volume control buttons
• Speaker mute button
• Microphone mute button
Interface
• External monitor connectors (VGA and DisplayPort)
• Combo audio jack (stereo headphone or headset)
• 2 Universal Serial Bus (USB) connectors
• 1 Always On USB connector
• RJ45 Ethernet connector
• Serial Ultrabay Slim
• Smart card reader (on some models)
• Docking connector
Combination card slot for ExpressCard or flash media card
• 34mm ExpressCard or 4-in-1 digital media card reader
Optical drive
• Multi-Burner drive
Wireless features
• Integrated wireless LAN
• Integrated Bluetooth (on some models)
• Integrated wireless WAN (on some models)
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User Guide