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DisplayLenovo ThinkPad X220 4291W9G 
Screen Size12.50 "
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeWXGA
Screen Resolution1366 x 768
Backlight TechnologyLED
Graphics Controller ManufacturerIntel
Graphics Controller ModelGMA HD 3000
Graphics Memory TechnologyDDR3 SDRAM
Graphics Memory AccessibilityShared
Hard DriveLenovo ThinkPad X220 4291W9G
Storage Size320 GB
Hard Drive InterfaceSerial ATA/300
MemoryLenovo ThinkPad X220 4291W9G
Memory Card SupportedSecure Digital (SD) Card, Secure Digital High Capacity (SDHC), Secure Digital Extended Capacity (SDXC), MultiMediaCard (MMC)
Maximum Memory8 GB
Memory TechnologyDDR3 SDRAM
Memory StandardDDR3-1333/PC3-10600
Number of Total Memory Slots2
Memory Card ReaderYes
NetworkLenovo ThinkPad X220 4291W9G
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN StandardIEEE 802.11a/b/g/n
Ethernet TechnologyGigabit Ethernet
DimensionsLenovo ThinkPad X220 4291W9G
Height1.4"
Width12.2"
Depth8.1"
ColorBlack
Detailed SpecsLenovo ThinkPad X220 4291W9G
MicrophoneYes
SpeakersYes
ProcessorLenovo ThinkPad X220 4291W9G
Processor ManufacturerIntel
Processor CoreDual-core (2 Core)
vPro TechnologyYes
Chipset ManufacturerIntel
Chipset ModelQM67 Express
SoftwareLenovo ThinkPad X220 4291W9G
Operating SystemWindows 7 Professional
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad X220 4291W9G
Pointing Device TypeTouchPad, Trackpoint
TouchPad FeaturesMulti-touch Gesture
I/O ExpansionsLenovo ThinkPad X220 4291W9G
Expansion Slot TypeSIM Card, ExpressCard/54
BatteryLenovo ThinkPad X220 4291W9G
Battery ChemistryLithium Ion (Li-Ion)
InterfacesLenovo ThinkPad X220 4291W9G
Total Number of USB Ports3
Number of USB 2.0 Ports3
VGAYes
Audio Line OutYes
DisplayPortYes