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DisplayLenovo ThinkPad Edge E420 1141BT5 
Screen Size14.00 "
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeWXGA
Screen Resolution1366 x 768
Backlight TechnologyLED
HDCP SupportedYes
Graphics Controller ManufacturerIntel
Graphics Controller ModelHD 3000
Graphics Memory TechnologyDDR3 SDRAM
Graphics Memory AccessibilityShared
Hard DriveLenovo ThinkPad Edge E420 1141BT5
Storage Size320 GB
Hard Drive InterfaceSerial ATA/300
Hard Drive RPM5400
Optical Drive TypeDVD-Writer
MemoryLenovo ThinkPad Edge E420 1141BT5
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 Edge E420 1141BT5
Wireless LANYes
Wireless LAN StandardIEEE 802.11b/g/n
Ethernet TechnologyGigabit Ethernet
DimensionsLenovo ThinkPad Edge E420 1141BT5
Height1.4"
Width13.5"
Depth9.2"
Weight (Approximate)77.6 oz
Detailed SpecsLenovo ThinkPad Edge E420 1141BT5
WebcamYes
MicrophoneYes
SpeakersYes
ProcessorLenovo ThinkPad Edge E420 1141BT5
Processor ManufacturerIntel
Processor TypeCore i3
Processor Modeli3-2350M
Processor Speed2.30 GHz
Processor CoreDual-core (2 Core)
Cache3 MB
Chipset ManufacturerIntel
Chipset ModelHM65 Express
SoftwareLenovo ThinkPad Edge E420 1141BT5
Operating SystemWindows 7 Professional
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad Edge E420 1141BT5
Pointing Device TypeTouchPad, Trackpoint
TouchPad FeaturesMulti-touch Gesture
I/O ExpansionsLenovo ThinkPad Edge E420 1141BT5
Expansion Slot TypeExpressCard/34
BatteryLenovo ThinkPad Edge E420 1141BT5
Battery ChemistryLithium Ion (Li-Ion)
Maximum Battery Run Time6.20 Hour
InterfacesLenovo ThinkPad Edge E420 1141BT5
HDMIYes
Total Number of USB Ports4
Number of USB 2.0 Ports4
VGAYes
Audio Line OutYes
eSATA/USB ComboYes