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DisplayLenovo ThinkPad X220 4290W1D 
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 4290W1D
Storage Size320 GB
Hard Drive InterfaceSerial ATA/300
Hard Drive RPM7200
MemoryLenovo ThinkPad X220 4290W1D
Memory Card SupportedMultiMediaCard (MMC), Secure Digital (SD) Card, Secure Digital Extended Capacity (SDXC), Secure Digital High Capacity (SDHC)
Standard Memory4 GB
Maximum Memory8 GB
Memory TechnologyDDR3 SDRAM
Memory StandardDDR3-1333/PC3-10600
Number of Total Memory Slots2
Memory Card ReaderYes
NetworkLenovo ThinkPad X220 4290W1D
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN StandardIEEE 802.11 a/g/n
Ethernet TechnologyGigabit Ethernet
BluetoothYes
Bluetooth StandardBluetooth 3.0
DimensionsLenovo ThinkPad X220 4290W1D
Height1.4"
Width12.0"
Depth8.1"
Weight (Approximate)52.96 oz
ColorBlack
Detailed SpecsLenovo ThinkPad X220 4290W1D
MicrophoneYes
SpeakersYes
ProcessorLenovo ThinkPad X220 4290W1D
Processor ManufacturerIntel
Processor TypeCore i5
Processor Modeli5-2520M
Processor Speed2.50 GHz
Processor CoreDual-core (2 Core)
Cache3 MB
Chipset ManufacturerIntel
Chipset ModelQM67 Express
SoftwareLenovo ThinkPad X220 4290W1D
Operating SystemWindows 7 Home Premium
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad X220 4290W1D
Pointing Device TypeTouchPad, Trackpoint
TouchPad FeaturesMulti-touch Gesture
I/O ExpansionsLenovo ThinkPad X220 4290W1D
Expansion Slot TypeExpressCard/54
BatteryLenovo ThinkPad X220 4290W1D
Battery ChemistryLithium Ion (Li-Ion)
Maximum Battery Run Time9.20 Hour
InterfacesLenovo ThinkPad X220 4290W1D
Total Number of USB Ports3
Number of USB 2.0 Ports3
VGAYes
Audio Line OutYes
DisplayPortYes