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Processor & ChipsetLenovo ThinkPad L440 20AS005XUS 
Processor ManufacturerIntel
Processor TypeCore i5
Processor Generation4th Gen
Processor Modeli5-4300M
Processor Speed2.60 GHz
Maximum Turbo Speed3.30 GHz
Processor CoreDual-core (2 Core)
Cache3 MB
Direct Media Interface5 GT/s
64-bit ProcessingYes
Hyper-ThreadingYes
vPro TechnologyYes
Chipset ManufacturerIntel
Chipset ModelQM87
MemoryLenovo ThinkPad L440 20AS005XUS
Standard Memory8 GB
Maximum Memory16 GB
Memory TechnologyDDR3L SDRAM
Memory StandardDDR3L-1600/PC3-12800
Number of Total Memory Slots2
Memory Card ReaderYes
Memory Card SupportedSDXC
SD
MultiMediaCard (MMC)
SDHC
StorageLenovo ThinkPad L440 20AS005XUS
HDD Capacity500 GB
Hard Drive InterfaceSerial ATA/600
Hard Drive RPM7200
Optical Drive TypeDVD-Writer
Display & GraphicsLenovo ThinkPad L440 20AS005XUS
Screen Size14"
Display Screen TypeLCD
Aspect Ratio16:9
Screen ModeHD
Screen Resolution1366 x 768
Backlight TechnologyLED
Graphics Controller ManufacturerIntel
Graphics Controller ModelHD Graphics 4600
Graphics Memory TechnologyDDR3L SDRAM
Graphics Memory AccessibilityShared
Network & CommunicationLenovo ThinkPad L440 20AS005XUS
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN ModelDual Band Wireless-AC 7260
Wireless LAN StandardIEEE 802.11ac
Ethernet TechnologyGigabit Ethernet
BluetoothYes
Bluetooth StandardBluetooth 4.0
WWAN SupportedYes
Built-in DevicesLenovo ThinkPad L440 20AS005XUS
Front Camera/WebcamYes
MicrophoneYes
Finger Print ReaderYes
SpeakersYes
Interfaces/PortsLenovo ThinkPad L440 20AS005XUS
Total Number of USB Ports4
Number of USB 2.0 Ports3
Number of USB 3.0 Ports1
VGAYes
Network (RJ-45)Yes
Mini DisplayPortYes
Headphone/Microphone Combo PortYes
SoftwareLenovo ThinkPad L440 20AS005XUS
Operating System PlatformWindows
Operating SystemWindows 7 Professional Upgradable to Windows 8.1 Pro
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad L440 20AS005XUS
KeyboardYes
Pointing Device TypeTouchPad
Trackpoint
TouchPad FeaturesMulti-touch Gesture
Battery InformationLenovo ThinkPad L440 20AS005XUS
Number of Cells9-cell
Battery ChemistryLithium Ion (Li-Ion)
Battery Energy99.90 Wh
Maximum Battery Run Time21 Hour
Power DescriptionLenovo ThinkPad L440 20AS005XUS
Maximum Power Supply Wattage65 W
Physical CharacteristicsLenovo ThinkPad L440 20AS005XUS
Height1.4"
Width13.5"
Depth9.4"
Weight (Approximate)5.36 lb