Lenovo ThinkPad T420s
Processor: Intel i5-2520M CPU (2.5GHz with TurboBoost to 3.2GHz, 3MB cache)
Chipset: Intel QM67
Screen: 14.0″ anti-glare 1600 x 900 WXGA+ LED Backlit
Memory: 1 x 2GB DDR3-1333 PC-10600 RAM (Samsung, 9-9-9-20) (to be upgraded)
Storage: 7mm thick 320GB 7200rpm HDD (Seagate Momentus Thin)
Optical Drive: 9.5mm thick SATA (Panasonic UJ8A2 )
Wireless: Intel 6300 802.11a/g/n (an extra cost option)
Graphics: Intel HD3000 (an extra cost option)
UK keyboard
Lenovo Trackpoint + Synaptics touchpad (77mm x 45mm / 3? x 1? ?)
34mm ExpressCard slot with SD card reader (an extra cost option)
Web camera and microphone
Battery: 44Wh 6-cell + optional 33Wh Ultrabay battery
Standard 65W PSU
Windows 7 Professional 64-bit
Dimensions: 343 x 230 x 24-27mm (excluding feet 2mm to 4mm long) or 13.5″ x 9.1″ x 0.95-1.05″
Advertised weight: Lenovo?s T420s datasheet states ?3.94 lbs (1.78 kg) with optical drive?
Actual weight: 1.83kg / 4.03 lbs (with Intel graphics, 6 cell battery, 2.5? HDD and optical drive)
Travel weight: 2.18kg / 4.8 lbs (with standard 65W PSU and 1m mains cable)
Weight with main and Ultrabay batteries: 1.94kg / 4.28lbs