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Processor & ChipsetLenovo ThinkPad L540 20AV002SUS 
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 Express
MemoryLenovo ThinkPad L540 20AV002SUS
Standard Memory4 GB
Maximum Memory16 GB
Memory TechnologyDDR3L SDRAM
Memory StandardDDR3L-1600/PC3-12800
Number of Total Memory Slots2
Memory Card ReaderYes
Memory Card SupportedSD
SDHC
SDXC
MultiMediaCard (MMC)
StorageLenovo ThinkPad L540 20AV002SUS
Solid State Drive Capacity128 GB
Solid State Drive InterfaceSerial ATA/600
Optical Drive TypeDVD-Writer
Display & GraphicsLenovo ThinkPad L540 20AV002SUS
Screen Size15.6"
Display Screen TypeLCD
Aspect Ratio16:9
Screen ModeFull HD
Screen Resolution1920 x 1080
Backlight TechnologyLED
Graphics Controller ManufacturerIntel
Graphics Controller ModelHD 4600
Graphics Memory TechnologyDDR3L SDRAM
Graphics Memory AccessibilityShared
Network & CommunicationLenovo ThinkPad L540 20AV002SUS
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN ModelDual Band Wireless-AC 7260
Wireless LAN StandardIEEE 802.11ac
Cellular Network SupportedGSM
Cellular Generation4G
Cellular Data Connectivity TechnologyLTE
HSPA
EVDO
EDGE
GPRS
Ethernet TechnologyGigabit Ethernet
BluetoothYes
Bluetooth StandardBluetooth 4.0
GPSYes
WWAN SupportedYes
Gobi SupportedYes
Built-in DevicesLenovo ThinkPad L540 20AV002SUS
Front Camera/WebcamYes
MicrophoneYes
Finger Print ReaderYes
SpeakersYes
Interfaces/PortsLenovo ThinkPad L540 20AV002SUS
Total Number of USB Ports4
Number of USB 2.0 Ports3
Number of USB 3.0 Ports1
VGAYes
Network (RJ-45)Yes
DisplayPortYes
Headphone/Microphone Combo PortYes
SoftwareLenovo ThinkPad L540 20AV002SUS
Operating System PlatformWindows
Operating SystemWindows 7 Professional Upgradable to Windows 8 Pro
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad L540 20AV002SUS
KeyboardYes
Pointing Device TypeTrackpoint
TouchPad
TouchPad FeaturesMulti-touch Gesture
Battery InformationLenovo ThinkPad L540 20AV002SUS
Number of Cells6-cell
Battery ChemistryLithium Ion (Li-Ion)
Battery Energy56 Wh
Maximum Battery Run Time11 Hour
Power DescriptionLenovo ThinkPad L540 20AV002SUS
Maximum Power Supply Wattage65 W
Physical CharacteristicsLenovo ThinkPad L540 20AV002SUS
Height1.4"
Width14.8"
Depth9.7"
Weight (Approximate)5.73 lb