Lenovo (3444C7B) – Lenovo ThinkPad X1 Carbon Touch, Intel i5-3427U, 4G (1333) Memory (No extra RAM Slot), 180G SSD, No DVDRW, 14HD+(1600×900), 270nit, No WWAN, Intel HD graphics 4000, 45Wh / 6.3 hrs with RapidCharge (5 hrs in 35 minutes), Intel 6205s, BT, FRP, WIn 7 Pro Preload with Win8 Pro 64 License CnL, 720p Webcam, Backlit KB, 3 yrs International Warranty (Free bundle with 2nd AC Adapter – 0B47002)

Lenovo (20A7004XHH) – Lenovo ThinkPad New X1 Carbon, Intel i5-4200U, 8GB DDR3L-1600 (No extra RAM Slot), 256G SSD, Intel HD graphics 4400, no ODD, 14″ WQHD IPS (2560×1440), Rapid charge battery, Intel 7260 AC, BT, FPR, W7P Preload (W8.1P Lic), 720p Webcam, Backlit KB, USB3.0*2, HDMI, Mini-DP, 3 yrs International Warranty (Free ThinkPlus Warranty upgrade from 3+3 carry-in to 3+3 On-site include battery – 04W8047)