T420

Standard Features

 * One of the following processors:
 * Intel® Core™ i3-2310M (2.1GHz, 3MB L3, 1333MHz FSB)
 * Intel® Core™ i5-2410M (2.3GHz, 3MB L3, 1333MHz FSB)
 * Intel® Core™ i5-2450M (2.5GHz, 3MB L3, 1333MHz FSB) (Without vPro)
 * Intel® Core™ i5-2520M (2.5GHz, 3MB L3, 1333MHz FSB)
 * Intel® Core™ i5-2540M (2.6GHz, 3MB L3, 1333MHz FSB)
 * Intel® Core™ i7-2620M (2.7GHz, 4MB L3, 1333MHz FSB)
 * Intel® Core™ i7-2640M (2.8GHz, 3MB L3, 1333MHz FSB)
 * One of the following graphics adapters:
 * Intel Integrated HD Graphics 3000
 * Discrete NVIDIA NVS 4200M (1GB VRAM) with Optimus™ Technology
 * One of the following TFT displays:
 * 14.0" HD (1366 x 768) (230 NITS)
 * 14.0" HD+ (1600 x 900) (230 NITS)
 * Up to 16GB DDR3 - 1333MHz (2 DIMM Slots)
 * One of the following storage options:
 * 160GB (7200rpm)
 * 250GB (5400rpm/7200rpm OPAL)
 * 320GB (5400rpm/7200rpm)
 * 500GB (7200rpm)
 * Intel 80GB Micro Solid State Drive, Serial ATA
 * 128GB Solid State Drive, Serial ATA
 * Intel 160GB Solid State Drive, Serial ATA
 * One of the following WLAN adapters:
 * ThinkPad BGN (RealTek - Stockton) 1x1 BGN
 * Intel Centrino Wireless-N 1000 (Condor Peak) 1x2 BGN
 * Intel Centrino Advanced-N 6205 (Taylor Peak) 2x2 AGN
 * Intel Centrino Ultimate-N 6300 (Puma Peak) 3x3 AGN
 * One of the following LAN adapters:
 * Intel® 82577LM Gigabit (Hanksville) Digital Office
 * Intel® 82577LC Gigabit (Hanksville) Fundamental
 * One of the following WWAN adapters:
 * Gobi™ 3000 Sierra Wireless EV-DO/HSPA WWAN Minicard
 * Ericsson HSPA+ WWAN Minicard (F5521gw)
 * Battery
 * ThinkPad Battery 55+ (6 Cell Lithium-Ion, 57 Watts/Hr)
 * ThinkPad Battery 55++ (9 Cell Lithium-Ion, 94 Watts/Hr)
 * ThinkPad Battery 27++ Slice (9 Cell Lithium-Ion, 11.1 V, 8.4 Amp/Hr)
 * Internal PCIe slots: 1 Full (51mm) and 1 Half (27mm)
 * Half slot supports mSATA SSD or WWAN
 * USB x 4: 1 Always-On USB 2.0, 2 USB 2.0, 1 USB 2.0/eSATA Combo
 * Unlike the T420s, the T420 lacks USB 3.0
 * ExpressCard USB 3.0 Adapter is an alternative
 * Size: 13.4in x 9.05in x 1.18-1.20in
 * Weight: < 4.84 lbs (2.2 kg)

Original OS

 * Windows 7 Professional
 * Windows 7 Starter
 * Windows 7 Home Basic
 * Windows 7 Home Premium
 * Windows 7 Ultimate
 * Windows 7 Enterprise