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DisplayLenovo ThinkPad T440 20B70005US 
Screen Size14.00 "
TouchscreenNo
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeHD
Screen Resolution1600 x 900
Backlight TechnologyLED
Graphics Controller ManufacturerIntel
Graphics Controller ModelHD 4400
Graphics Memory TechnologyDDR3L SDRAM
Graphics Memory AccessibilityShared
Hard DriveLenovo ThinkPad T440 20B70005US
Storage Size500 GB
Hard Drive InterfaceSerial ATA/600
Hard Drive RPM7200
Optical Drive TypeNo
MemoryLenovo ThinkPad T440 20B70005US
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 TechnologyDDR3L SDRAM
Memory StandardDDR3L-1600/PC3-12800
Number of Total Memory Slots1
Memory Card ReaderYes
NetworkLenovo ThinkPad T440 20B70005US
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN ModelDual Band Wireless-AC 7260
Wireless LAN StandardIEEE 802.11a/b/g/n/ac
Ethernet TechnologyGigabit Ethernet
BluetoothYes
Bluetooth StandardBluetooth 4.0
DimensionsLenovo ThinkPad T440 20B70005US
Height0.8"
Width13.4"
Depth9.2"
ColorGraphite Black
Detailed SpecsLenovo ThinkPad T440 20B70005US
WebcamYes
MicrophoneYes
Finger Print ReaderYes
SpeakersYes
ProcessorLenovo ThinkPad T440 20B70005US
Processor ManufacturerIntel
Processor TypeCore i5
Processor Modeli5-4300U
Processor Speed1.90 GHz
Processor CoreDual-core (2 Core)
Cache3 MB
vPro TechnologyYes
Chipset ManufacturerIntel
Chipset ModelQM87 Express
SoftwareLenovo ThinkPad T440 20B70005US
Operating SystemWindows 8 Pro
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad T440 20B70005US
Keyboard BacklightNo
Pointing Device TypeTouchPad, Trackpoint
TouchPad FeaturesMulti-touch Gesture
BatteryLenovo ThinkPad T440 20B70005US
Battery ChemistryLithium Ion (Li-Ion)
InterfacesLenovo ThinkPad T440 20B70005US
Total Number of USB Ports2
Number of USB 3.0 Ports2
VGAYes
DisplayPortYes
Headphone/Microphone Combo PortYes