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DisplayLenovo ThinkPad X220 (4291-ZQS) 
Screen Size12.50 "
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeHD
Screen Resolution1366 x 768
Backlight TechnologyLED
Graphics Controller ManufacturerIntel
Graphics Controller ModelHD 3000
Graphics Memory TechnologyDDR3 SDRAM
Graphics Memory AccessibilityShared
Hard DriveLenovo ThinkPad X220 (4291-ZQS)
Storage Size320 GB
Hard Drive InterfaceSerial ATA/300
Hard Drive RPM7200
Optical Drive TypeNo
MemoryLenovo ThinkPad X220 (4291-ZQS)
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 X220 (4291-ZQS)
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN StandardIEEE 802.11a/b/g/n
Ethernet TechnologyGigabit Ethernet
BluetoothYes
Bluetooth StandardBluetooth 3.0
DimensionsLenovo ThinkPad X220 (4291-ZQS)
Height1.4"
Width12.0"
Depth8.1"
Weight (Approximate)52.96 oz
ColorBlack
Detailed SpecsLenovo ThinkPad X220 (4291-ZQS)
WebcamYes
MicrophoneYes
Finger Print ReaderYes
SpeakersYes
ProcessorLenovo ThinkPad X220 (4291-ZQS)
Processor ManufacturerIntel
Processor TypeCore i5
Processor Modeli5-2540M
Processor Speed2.60 GHz
Processor CoreDual-core (2 Core)
Cache3 MB
Chipset ManufacturerIntel
Chipset ModelQM67 Express
SoftwareLenovo ThinkPad X220 (4291-ZQS)
Operating SystemWindows 7 Professional
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad X220 (4291-ZQS)
Pointing Device TypeTouchPad, Trackpoint
TouchPad FeaturesMulti-touch Gesture
I/O ExpansionsLenovo ThinkPad X220 (4291-ZQS)
Expansion Slot TypeExpressCard/54
BatteryLenovo ThinkPad X220 (4291-ZQS)
Battery ChemistryLithium Ion (Li-Ion)
Maximum Battery Run Time9.20 Hour
InterfacesLenovo ThinkPad X220 (4291-ZQS)
Total Number of USB Ports3
Number of USB 2.0 Ports3
VGAYes
Audio Line OutYes
DisplayPortYes