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DisplayLenovo ThinkPad T420 42368C2 
Screen Size14.00 "
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeWSXGA
Screen Resolution1600 x 900
Backlight TechnologyLED
Graphics Controller ManufacturerIntel
Graphics Controller ModelHD 3000
Graphics Memory TechnologyDDR3 SDRAM
Graphics Memory AccessibilityShared
Hard DriveLenovo ThinkPad T420 42368C2
Storage Size320 GB
Hard Drive InterfaceSerial ATA/300
Hard Drive RPM7200
Optical Drive TypeDVD-Writer
MemoryLenovo ThinkPad T420 42368C2
Memory Card SupportedMultiMediaCard (MMC), Secure Digital (SD) Card, Secure Digital High Capacity (SDHC), Secure Digital Extended Capacity (SDXC)
Standard Memory4 GB
Maximum Memory8 GB
Memory TechnologyDDR3 SDRAM
Memory StandardDDR3-1333/PC3-10600
Number of Total Memory Slots2
Memory Card ReaderYes
NetworkLenovo ThinkPad T420 42368C2
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN ModelCentrino Advanced-N 6205
Wireless LAN StandardIEEE 802.11a/b/g/n
Ethernet TechnologyGigabit Ethernet
DimensionsLenovo ThinkPad T420 42368C2
Height1.2"
Width13.4"
Depth9.2"
Weight (Approximate)76.64 oz
ColorBlack
Detailed SpecsLenovo ThinkPad T420 42368C2
WebcamYes
MicrophoneYes
SpeakersYes
ProcessorLenovo ThinkPad T420 42368C2
Processor ManufacturerIntel
Processor TypeCore i3
Processor Modeli3-2310M
Processor Speed2.10 GHz
Processor CoreDual-core (2 Core)
Cache3 MB
Chipset ManufacturerIntel
Chipset ModelQM67 Express
SoftwareLenovo ThinkPad T420 42368C2
Operating SystemWindows 7 Professional
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad T420 42368C2
Pointing Device Type
TouchPad Features
I/O ExpansionsLenovo ThinkPad T420 42368C2
BatteryLenovo ThinkPad T420 42368C2
InterfacesLenovo ThinkPad T420 42368C2