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Operating System LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR 
OS installedWindows 7 Professional
Recovery OSWindows 8.1 Pro
OS architecture64-bit
Processor LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
Processor familyIntel Core i7 X-series
Processor socketSocket G3
Processor modeli7-4940MX
Processor cores4
Processor threads8
Processor frequency3.1 GHz
Processor boost frequency4 GHz
Processor operating modes64-bit
Processor cache8 MB
Processor cache typeL3
Memory LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
Internal memory16 GB
Max. internal memory32 GB
Max. internal memory (64-bit)32 GB
Internal memory typeDDR3L-SDRAM
Memory form factorSO-DIMM
Memory slots4x SO-DIMM
Memory clock speed1600 MHz
Memory layout2 x 8 GB
Hard Drive & Optical Drive LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
HDD capacity1000 GB
HDD interfaceSerial ATA III
HDD size2.5"
HDD speed5400 RPM
SSD capacity256 GB
SSD interfaceSerial ATA III
Storage mediaHDD SSD
Number of SSDs1
Number of HDDs1
Total storage capacity1256 GB
Card reader integratedYes
Compatible memory cardsMMC,SD,SDHC,SDXC
Display & Graphics LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
Panel typeIPS
HD typeWide Quad HD
Display diagonal15.6"
Display resolution2880 x 1620 pixels
Display brightness350 cd/m?
Contrast ratio1000/1
Aspect ratio16/9
Display surfaceMatt
LED backlightYes
TouchscreenNo
Discrete graphics adapterYes
Discrete graphics adapter memory2 GB
Discrete graphics adapter modelNVIDIA Quadro K2100M
Discrete graphics memory typeGDDR5
Graphics adapter modelIntel HD Graphics 4600
Graphics adapter familyIntel HD Graphics
Graphics adapter dynamic frequency (max)1350 MHz
Graphics adapter base frequency400 MHz
Graphics adapterYes
Built-in Devices LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
Front cameraYes
Front camera resolution1280 x 720 pixels
Front camera resolution (numeric)1 MP
Interfaces LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
Cable lock slotYes
Cable lock slot typeKensington
CardBus PCMCIA slot typeNo
Charging port typeDC-in jack
Combo headphone/mic portYes
Docking connectorYes
DVI portNo
Ethernet LAN (RJ-45) ports1
ExpressCard slotYes
S/PDIF out portNo
SmartCard slotNo
USB 2.0 ports2
USB Sleep-and-Charge ports1
VGA (D-Sub) ports1
Input Devices LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
Pointing deviceClickpad
Audio LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
Audio systemDolby Home Theater v4
MicrophoneYes
Number of speakers2
Battery LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
Battery capacity (Watt hours)99 Wh
Battery life (max)11 h
Battery technologyLithium-Ion (Li-Ion)
Number of battery cells9
Power LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
AC adapter power170 W
Physical Characteristics LENOVO ThinkPad W541 20EFA005KRLenovo ThinkPad W541 20EFA005KR
Product typeMobile workstation
Product colourBlack
Housing materialGlass fiber,Plastic
Depth248.1 mm
Height (front)2.79 cm
Height (rear)2.95 cm
Width376.6 mm
Weight2.7 kg