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Lenovo Thinkpad T420s 4171

 40Y6797 Li-Ion battery

 40Y7659 90W AC adapter

 55Y3711 4GB SO DIMM 204-pin 1333MHz

The ThinkPad T420s maximizes performance and offers a higher level of productivity for today's mobile business professionals. These laptops are built upon a platform of Lenovo innovations that respond to key business needs including: video and voice calling, smart PC features for power and performance management, all-day battery life, enterprise management and an intuitive, easy-to-use computing experience.
  • Operating System: Windows 7 Professional
  • Processor: Intel I5-2540M Dual-Core / 2.6 GHz (3.3 GHz Max Turbo Speed)
  • Display Size: 14" Widescreen LED backlight TFT 1600 x 900 (WXGA++)
  • Memory: 4 GB 1333 MHz DDR3 SDRAM; supports up to 8 GB maximum
  • Hard drive: 128 GB 7200 rpm Serial ATA-300
  • Graphics: Intel HD 3000
  • DVD-Writer
  • Integrated camera: .92 Megapixel (1280x720 resolution)
  • Wireless: 802.11a/b/g/n; Bluetooth 3.0
  • Network interface: Ethernet 10Base-T/100Base-TX/1000Base-T
  • Battery: 6-cell Lithium-Ion
  • Battery Life: Up to 5.5 hours
  • Card reader: 4 in 1
  • Microsoft Office 2010 Ready
  • Three year pickup and return limited warranty
  • Lenovo T420s Specifications Sheet