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Processor & ChipsetLenovo ThinkPad W541 20EF001DCA 
Processor ManufacturerIntel
Processor TypeCore i7
Processor Generation4th Gen
Processor Modeli7-4810MQ
Processor Speed2.80 GHz
Maximum Turbo Speed3.80 GHz
Processor CoreQuad-core (4 Core)
Cache6 MB
Direct Media Interface5 GT/s
64-bit ProcessingYes
Hyper-ThreadingYes
vPro TechnologyYes
Chipset ManufacturerIntel
Chipset ModelQM87 Express
MemoryLenovo ThinkPad W541 20EF001DCA
Standard Memory16 GB
Maximum Memory32 GB
Memory TechnologyDDR3L SDRAM
Memory StandardDDR3L-1600/PC3-12800
Number of Total Memory Slots4
Memory Card ReaderYes
Memory Card SupportedSD, SDXC, SDHC, MultiMediaCard (MMC)
StorageLenovo ThinkPad W541 20EF001DCA
Solid State Drive Capacity512 GB
Solid State Drive InterfaceSerial ATA/600
Optical Drive TypeDVD-Writer
Optical Media SupportedDVD±R/±RW
Display & GraphicsLenovo ThinkPad W541 20EF001DCA
Screen Size15.5"
Display Screen TypeLCD
Display Screen TechnologyIn-plane Switching (IPS) Technology
Aspect Ratio16:9
Screen Resolution2880 x 1620
Backlight TechnologyLED
TouchscreenNo
Graphics Controller ManufacturerNVIDIA, Intel
Graphics Controller ModelQuadro K2100M, HD Graphics 4600
Graphics Memory CapacityUp to 2 GB
Graphics Memory TechnologyDDR3L SDRAM
Graphics Memory AccessibilityDedicated, Shared
Network & CommunicationLenovo ThinkPad W541 20EF001DCA
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN ModelDual Band Wireless-AC 7260
Wireless LAN StandardIEEE 802.11ac
SIM Size SupportedNo
Ethernet TechnologyGigabit Ethernet
BluetoothYes
Bluetooth StandardBluetooth 4.0
WWAN SupportedYes
Near Field CommunicationNo
I/O ExpansionsLenovo ThinkPad W541 20EF001DCA
Expansion Bay TypeUltrabay Slim
Expansion Slot TypeExpressCard/34
Built-in DevicesLenovo ThinkPad W541 20EF001DCA
Front Camera/WebcamYes
MicrophoneYes
Finger Print ReaderYes
SpeakersYes
Interfaces/PortsLenovo ThinkPad W541 20EF001DCA
Total Number of USB Ports4
Number of USB 2.0 Ports2
Number of USB 3.0 Ports2
VGAYes
Network (RJ-45)Yes
Mini DisplayPortYes
Headphone/Microphone Combo PortYes
SoftwareLenovo ThinkPad W541 20EF001DCA
Operating System PlatformWindows
Operating SystemWindows 7 Professional Upgradable to Windows 8.1 Pro
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad W541 20EF001DCA
KeyboardYes
Keyboard BacklightYes
Pointing Device TypeTrackpoint, TouchPad
TouchPad FeaturesMulti-touch Gesture
Battery InformationLenovo ThinkPad W541 20EF001DCA
Number of Cells9-cell
Battery ChemistryLithium Ion (Li-Ion)
Battery Energy99.90 Wh
Maximum Battery Run Time11.10 Hour
Power DescriptionLenovo ThinkPad W541 20EF001DCA
Maximum Power Supply Wattage170 W
Physical CharacteristicsLenovo ThinkPad W541 20EF001DCA
Weight (Approximate)2.70 kg
MiscellaneousLenovo ThinkPad W541 20EF001DCA
Package ContentsThinkPad W541 20EF001DCA Notebook, Lithium Ion Battery, AC Adapter, Windows 8.1 Pro License Media
Certifications & StandardsISV Certified
Security FeaturesSmart Card Reader, Power-on Password, Hard Disk Password, Supervisor Password, Security Keyhole, Trusted Platform Module, TCG 1.2-compliant
Energy StarYes
Environmentally FriendlyYes
Environmental CertificationENERGY STAR 6.1, GREENGUARD, RoHS