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Processor & ChipsetLenovo ThinkPad T440s 20AR001QUS 
Processor ManufacturerIntel
Processor TypeCore i7
Processor Generation4th Gen
Processor Modeli7-4600M
Processor Speed2.90 GHz
Maximum Turbo Speed3.60 GHz
Processor CoreDual-core (2 Core)
Cache4 MB
Direct Media Interface5 GT/s
64-bit ProcessingYes
Hyper-ThreadingYes
vPro TechnologyYes
Chipset ManufacturerIntel
Chipset ModelQM87 Express
MemoryLenovo ThinkPad T440s 20AR001QUS
Standard Memory8 GB
Maximum Memory12 GB
Memory TechnologyDDR3L SDRAM
Memory StandardDDR3L-1600/PC3-12800
Number of Total Memory Slots1
Memory Card ReaderYes
Memory Card SupportedMultiMediaCard (MMC)
SD
SDHC
SDXC
StorageLenovo ThinkPad T440s 20AR001QUS
Solid State Drive Capacity256 GB
Solid State Drive InterfaceSerial ATA/600
Optical Drive TypeNo
Display & GraphicsLenovo ThinkPad T440s 20AR001QUS
Screen Size14"
Display Screen TypeLCD
Aspect Ratio16:9
Screen ModeHD
Screen Resolution1600 x 900
Backlight TechnologyLED
TouchscreenNo
Graphics Controller ManufacturerIntel
Graphics Controller ModelHD 4600
Graphics Memory TechnologyDDR3L SDRAM
Graphics Memory AccessibilityShared
Network & CommunicationLenovo ThinkPad T440s 20AR001QUS
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
WWAN SupportedYes
Built-in DevicesLenovo ThinkPad T440s 20AR001QUS
Front Camera/WebcamYes
MicrophoneYes
Finger Print ReaderYes
SpeakersYes
Interfaces/PortsLenovo ThinkPad T440s 20AR001QUS
Total Number of USB Ports3
Number of USB 3.0 Ports3
VGAYes
Network (RJ-45)Yes
DisplayPortYes
Headphone/Microphone Combo PortYes
SoftwareLenovo ThinkPad T440s 20AR001QUS
Operating System PlatformWindows
Operating SystemWindows 8 Pro
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad T440s 20AR001QUS
KeyboardYes
Keyboard BacklightYes
Pointing Device TypeTouchPad
Trackpoint
TouchPad FeaturesMulti-touch Gesture
Battery InformationLenovo ThinkPad T440s 20AR001QUS
Number of Cells3-cell
Battery ChemistryLithium Ion (Li-Ion)
Battery Energy23.50 Wh
Maximum Battery Run Time8.40 Hour
Power DescriptionLenovo ThinkPad T440s 20AR001QUS
Maximum Power Supply Wattage45 W
Physical CharacteristicsLenovo ThinkPad T440s 20AR001QUS
ColorGraphite Black
Height0.8"
Width13"
Depth8.9"
Weight (Approximate)3.50 lb