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Processor & ChipsetLenovo ThinkPad T540p 20BE004ECA-DDO 
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
Chipset ManufacturerIntel
Chipset ModelQM87 Express
MemoryLenovo ThinkPad T540p 20BE004ECA-DDO
Standard Memory4 GB
Maximum Memory16 GB
Memory TechnologyDDR3L SDRAM
Memory StandardDDR3L-1600/PC3-12800
Number of Total Memory Slots2
Memory Card ReaderYes
Memory Card SupportedSecure Digital (SD) Card, SDXC, SDHC, MultiMediaCard (MMC)
StorageLenovo ThinkPad T540p 20BE004ECA-DDO
Hard Drive Capacity500 GB
Hard Drive InterfaceSerial ATA/600
Hard Drive RPM7200
Optical Drive TypeDVD-Writer
Optical Media SupportedDVD±R/±RW
Display & GraphicsLenovo ThinkPad T540p 20BE004ECA-DDO
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 T540p 20BE004ECA-DDO
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN StandardIEEE 802.11a/b/g/n
Ethernet TechnologyGigabit Ethernet
BluetoothYes
Bluetooth StandardBluetooth 4.0
WWAN SupportedYes
I/O ExpansionsLenovo ThinkPad T540p 20BE004ECA-DDO
Expansion Bay TypeUltrabay Slim
Expansion Slot TypeExpressCard/34
Built-in DevicesLenovo ThinkPad T540p 20BE004ECA-DDO
Front Camera/WebcamYes
MicrophoneYes
Finger Print ReaderYes
SpeakersYes
Interfaces/PortsLenovo ThinkPad T540p 20BE004ECA-DDO
Total Number of USB Ports4
Number of USB 2.0 Ports2
Number of USB 3.0 Ports2
VGAYes
Network (RJ-45)Yes
DisplayPortYes
Headphone/Microphone Combo PortYes
SoftwareLenovo ThinkPad T540p 20BE004ECA-DDO
Operating System PlatformWindows
Operating SystemWindows 7 Professional
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad T540p 20BE004ECA-DDO
KeyboardYes
Pointing Device TypeTouchPad, Trackpoint
TouchPad FeaturesMulti-touch Gesture
Battery InformationLenovo ThinkPad T540p 20BE004ECA-DDO
Number of Cells6-cell
Battery ChemistryLithium Ion (Li-Ion)
Battery Energy56 Wh
Maximum Battery Run Time7 Hour
Power DescriptionLenovo ThinkPad T540p 20BE004ECA-DDO
Maximum Power Supply Wattage65 W
Physical CharacteristicsLenovo ThinkPad T540p 20BE004ECA-DDO
ColorBlack
Height1.2" (29.5 mm)
Width14.8" (376.7 mm)
Depth9.8" (248.2 mm)
Weight (Approximate)2.41 kg
MiscellaneousLenovo ThinkPad T540p 20BE004ECA-DDO
Package ContentsThinkPad T540p (20BE-004ECA), Lithium Ion Battery, AC Adapter
Security FeaturesPower-on Password, Hard Disk Password, Supervisor Password, Security Keyhole, Trusted Platform Module, TCG 1.2-compliant
Energy StarYes
Environmentally FriendlyYes
Environmental CertificationGREENGUARD, RoHS, ENERGY STAR 5.0, EPEAT Gold