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        Lenovo ThinkPad T420
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1.    HT technology Professional 32  Intel Core i5 2520M processor  dual core  2 50GHz  3MB Cache     Some  Genuine Windows 7  DDR3 memory controller  up to 1333MHz   intel Turbo Boost 2 0  3 20GHz   HT technology Professional 64  Intel Core i5 2540M processor  dual core  2 60GHz  3MB Cache   A a eer  DDR3 memory controller  up to 1333MHz   intel Turbo Boost 2 0  3 30GHz   HT technology   Ready to install applications   all  Intel Core i7 2620M processor  dual core  2 70GHz  4MB Cache   OSes  only some listed  m  DDR3 memory controller  up to 1333MHz   Intel Turbo Boost 2 0  3 40GHz   HT technology _    AE e  Memory 8GB max      PC3 10600 1333MHz DDR3  non parity  e Fingerprint Software  fingerprint  dual channel capable  two 204 pin SO DIMM sockets models   Optical DVD burner  12 7mm Ultrabay Enhanced  removable e Password Manager  fingerprint  Ultrabay One bay for removable devices  Ultrabay Slim compatible  12 7mm high  bottom access models   SATA disk Some  Solid State Drive  SSD    SATA 3 0Gb s  2 5  wide  7mm high e ThinkVantage System Update  Some  Hard Disk Drive   SATA 3 0Gb s  2 5  wide  9 5mm high  Active Protection System    e ThinkVantage Power Manager  All  removable  upgradable  supports the second disk  Shock Mounted Hard Drive e ThinkVantage Toolbox  mSATA    SSD None Preloaded applications     all OSes   Widescreen Some  14 0   355mm  HD  1366x768  color  anti glare  LED backlight  only some listed   display 200 nits  16 9 aspect ratio  300 1 contrast ratio e N
2.  material    Battery   type  Battery   life       Display cover  Carbon fiber   Glass fiber hybrid    Bottom  Carbon Fiber Reinforced Plastic   Lithium lon 4 cell  6 cell  or 9 cell  supports optional Slice battery  57Y4545  as 2nd battery  6 cell  up to 9 0 hr  9 cell  up to 15 0 hr  9 cell plus Slice battery  up to 30 0 hr       Chipset  ExpressCard  Smart Card read  Multicard reader  Ports    Mobile Intel QM67 Express Chipset   One slot  ExpressCard 34    None   4 in 1 reader  MMC  SD  SDHC  SDXC    Three USB 2 0  one powered   one USB 2 0 eSATA combo port   external monitor  VGA DB 15  DisplayPort   ethernet  RJ 45        PCle Mini Card  WLAN     WWAN    Modem  IEEE 1394  Bluetooth     Ethernet    Intel AMT  Audio support    Security  Security chip    Two PCI Express Mini Card slots   Some  11b g n  PCle Half Mini Card  Intel Centrino   Wireless N 1000  1x2   Some  11a b g n  PCle Half Mini Card  Intel Centrino Advanced N 6205  2x2   Some  Wireless WAN upgradable   Some  Wireless WAN  Qualcomm   Gobi    3000 chipset  PCle Mini Card    EV DO Rev  A  GPRS WCDMA HSPA  GPS   User selectable at first boot  AT amp T    Verizon    or Sprint      contract required with service provider   Some  56K V 92   modem   Some  IEEE 1394 FireWire 400  4 pin connector  1394a 2000 standard    Bluetooth 3 0 wireless  LED indicator   Non vPro model  Intel 82579LF Gigabit Network Connection  Lewisville   PHY  PCle x1  vPro model  Intel 82579LM Gigabit Network Connection  Lewisville   PHY  PCle 
3. ThinkPad   T420 4178  TopSeller                       Personal Systems Reference  PSREF     Wide  Disk PCle PCle Finger Bat   screen SATA Mini Card Mini Card IEEE print tery Intel Intel  Type model Processor Memory display Camera GB  rpm WLAN WWAN mSATA Carrier Modem 1394 reader cells AMT vPro Preload  4178 6UU  i5 2520M 4GBx1 14 0 HD 720p 500G 7200 Intel 620578 WWAN upg 1394 Finger 6 iAMT vPro Pro 64  4178 9RU i5 2410M 4GBx1 14 0 HD  720p 320G 7200 Intel6205 WWAN upg Modem 6 Pro 64  4178 59U i5 2540M 2GBx2 14 0 HD  720p 320G 7200 Intel6205 WWAN upg 6 iAMT vPro Pro 64  4178 57U i5 2540M 2GBx2 14 0 HD 720p 500G 7200 Intel6205 WWAN upg 6 iAMT vPro Pro 64  4178 56U i5 2520M 2GBx1 14 0 HD 720p 320G 7200 Intel6205 WWAN upg 6 iAMT vPro Pro 64  4178 AFU  i7 2620M 4GBx1 14 0 HD  720p 500G 7200 Intel 1000 WWAN upg 1394 Finger 6 Pro 64  4178 ACU i5 2520M 4GBx1 14 0  HD 320G 7200 Intel 1000 WWAN upg 6 Pro 32  4178 APU i5 2520M 4GBx1 14 0 HD 720p 320G 7200 Intel6205 Gobi3000 selectable Finger 6 iAMT vPro Pro 64  e These small and medium business  SMB  models are part of the US TopSeller    Program  e These models have a depot repair service 3 year limited warranty  e These systems are Microsoft   Office 2010 Product Key Ready  O10PKR   Positioning Premiere performance  two spindles Preloaded operating system     Processor Intel   Core    i5 2410M processor  dual core  2 30GHz  3MB Cache     Some  Genuine Windows   7  DDR3 memory controller  up to 1333MHZz   Intel Turbo Boost 2 0  2 90GHz
4. orton    Internet Security 2011  Some  14 0   355mm  HD   1600x900  color  anti glare  LED backlight   30 days of virus definitions   250 nits  16 9 aspect ratio  300 1 contrast ratio e Adobe   Reader    Camera Some  HD720p resolution  wider view angle  low light sensitive  fixed focus e Skype    for Windows  Graphics Intel HD Graphics 3000 in processor  e Windows Live    Essentials    external analog monitor support via VGA DB 15 connector and e Microsoft Office 2010 preloaded   digital monitor support via DisplayPort  supports single link DVI D via cable 45J7915   purchase product key to activate  supports dual independent display  e Corel  WinDVD    DVD RW   i an  i A       Lenovo Edition  Maximum external resolution  2560x1600  DisplayPort    60Hz  e Corel Burn Now  2048x1536  VGA   75Hz  1920x1200   60Hz  single link DVI D via cable 45J7915   DVD RW     P i   A z e Corel DVD MovieFactory   Lenovo  Keyboard 7 row  89 key  ThinkVantage button  spill resistant  multimedia Fn keys Edition  DVD RW   TrackPoint   TrackPoint   pointing device   Press to Select   Internet Scroll Bar    magnifying glass  Touchpad UltraNav     wide touchpad below keyboard  Tap Zones  scrolling regions label  multi touch  ThinkLight    Illuminates the keyboard to improve visibility in low light conditions  Dimensions  14 0W   WxDxH   13 4  x 9 17  x 1 18 1 20   340 5 x 233 0mm x 30 1 30 5mm  Weight  4 cell  from 4 60 Ib  2 09kg   6 cell  from 4 79 lb  2 17kg    9 cell  from 5 17  b  2 35kg     Case
5. x1  Some  Intel Active Management Technology  iAMT    High Definition  HD  Audio  Conexant 20672 codec   stereo speakers  1 watt x 2    volume up  down  mute buttons   dual array mic  mic mute button  combo audio mic jack  Power on password  hard disk password  supervisor password  security keyhole  Trusted Platform Module  TCG 1 2 compliant    Some     Fingerprint reader Some  UPEK Fingerprint reader on palm rest  swipe sensor  LED indicator     Power On Authentication  supports the security chip       Supports ThinkVantage   technologies       65 watt AC adapter   ThinkPad Roll Cage  one piece  magnesium frame    EPEAT    Gold rating   ENERGY STAR   5 0 compliant   RoHS compliant   International Warranty Service   24 hour x 7 day    toll free support  during the warranty period    via 800 426 7378          Limited warranty   3 years 1 yr battery   depot repair service   service upgrades    available    See footnotes for more detailed information  ts US model announced May 3  2011  previous models on February 22 or April 5  2011       For compatible accessories  please  go to O T420 sheet     For ThinkPlus       service upgrade  options  please go to S TA sheet          Lenovo   NZ3 1  May 2011    
    
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