Lenovo ThinkPad E540 Intel Core i3-4100M 4GB 500GB 15.6" Display.

Lenovo OneLink Technology
Get more from your power cable! OneLink technology is a unique interface that simplifies connectivity through a single cable to the ThinkPad OneLink Dock. The OneLink dock provides dedicated video, USB 3.0 ports, Gigabit Ethernet, and audioâ??all while charging your notebook.

Lenovo Solutions for Small Business
Built on the Intel® Small Business Advantage platform and includes unique security and productivity features to keep your small-to-mid-sized business up and running: after-hours maintenance, software monitoring, USB blocker, energy savings, and the ability to backup and restore applications.

Award-Winning Keyboard Further Enhanced for Windows 8
Full-sized and spill-resistant, the legendary ThinkPad ergonomic keyboard is renowned for its full array of keys, excellent feel, and TrackPoint® pointing device. And now it's optimized for Windows 8 with convenient multimedia buttons, function-lock capability, and immediate access to view apps. Plus, a larger, smooth TrackPad with 5-point click integration can be configured multiple ways through Settings.

Long Battery Life
Nearly all-day computing with up to **6 hours unplugged lets you get a full day of work in on a single charge.

HDD Performance Booster
The performance booster doubles system speed, especially when opening and saving so you spend less time waiting and more time doing.

Fast Data Transfer
Move data quickly between the E540 and other devices with SuperSpeed USB 3.0, which enables up to 10 times faster file transfer, allowing for lightning-fast copying of large media files, as well as seamless connections between audio- and video-related peripherals.

Drop-Down Hinges & Active Protection System
Enjoy a laptop that lasts, thanks to the durability of drop-down hinges and Active Protection System (APS), which detects when the system is dropped and reacts by stopping the hard drive and protecting your data.

Integrated 720p HD Webcam & Dual Noise-Cancelling Microphones
Enjoy superior web conferencing on your E540, which includes a low-light sensitive 720p HD webcam with wide-angle viewing and face-tracking, dual noise-cancelling microphones with configurations for crystal-clear private and conference mode VOIP meetings, plus, convenient multimedia keys for quick and easy access to microphone, speaker, and camera controls.

Dolby® Speakers With Advanced Audio�
This suite of audio technologies enables your ThinkPad to deliver a crisp, clear surround sound experience over its built-in stereo speakers. The technology increases audio clarity for VOIP applications, maximizes volume output without distortion, and improves dialogue clarity when watching videos.

Integrated Fingerprint Reader (Optional)
Get quick, convenient access and secure login with one swipe.

Lenovo Cloud Storage
Protect your critical data, while also making access to information and file-sharing quick and convenient. Automatically back-up and synchronize data across the organization, while enabling access from multiple devices. Data is encrypted on transfer for an extra level of security.

Design
Product type	Notebook
Market positioning	Business
Form factor	Clamshell
Colour of product	Black
Processor
Processor cache level	L3
Processor cache	3 MB
Processor frequency	2.5 GHz
Processor model	i3-4100M
Processor cores	2
Processor threads	4
System bus rate	5 GT/s
Processor socket	PGA946
Motherboard chipset	Intel HM87
Processor family	Intel Core i3-4xxx
Memory
Memory form factor	SO-DIMM
Internal memory	4 GB
Memory layout (slots x size)	1 x 4 GB
Internal memory type	DDR3L-SDRAM
Memory clock speed	1600 MHz
Memory slots	2x SO-DIMM
Maximum internal memory	16 GB
Storage
Storage media	HDD
Number of hard drives installed	1
Hard drive capacity	500 GB
Hard drive interface	Serial ATA II
Hard drive speed	7200 RPM
Hard drive size	6.35 cm (2.5")
Card reader integrated	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC
Total storage capacity	500 GB
Display
Display surface	Matt
LED backlight	Yes
Aspect ratio	16:9
Touch sensitive screen	No
Display resolution	1366 x 768 pixels
Display diagonal	39.62 cm (15.6")
Graphics
On-board graphics adapter model	Intel HD Graphics 4600
Discrete graphics adapter model	No
Optical drive
Optical drive type	DVD±RW
LightScribe	No
Audio
Audio system	Dolby Advanced Audio v2
Number of built-in speakers	2
Built-in microphone	Yes
Camera
Front camera	Yes
Networking
4G	No
Wi-Fi	Yes
Wi-Fi standards	802.11a, 802.11ac, 802.11b, 802.11g, 802.11n
Ethernet LAN	Yes
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Bluetooth	Yes
Bluetooth version	4.0
3G	No
Ports & interfaces
USB Sleep-and-Charge ports	1
USB Sleep-and-Charge	Yes
USB 2.0 ports quantity	1
USB 3.0 ports quantity	2
VGA (D-Sub) ports quantity	1
HDMI ports quantity	1
DVI port	No
Ethernet LAN (RJ-45) ports	1
Microphone in	No
S/PDIF out port	No
Combo headphone/mic port	Yes
Docking connector	Yes
DC-in jack	Yes
ExpressCard slot	No
CardBus PCMCIA slot type	No
SmartCard slot	No
Expansion slots
ExpressCard slot	No
CardBus PCMCIA slot type	No
SmartCard slot	No
Performance
ExpressCard slot	No
CardBus PCMCIA slot type	No
SmartCard slot	No
Keyboard
Pointing device	ThinkPad UltraNav
Numeric keypad	Yes
Windows keys	Yes
Spill resistant keyboard	Yes
Operating system/software
Operating system architecture	64-bit
Operating system installed	Windows 7 Professional
Technical details
Intel Wireless Display (WiDi) Technology	Yes
Market positioning	Business
Intel vPro Technology	No
Intel visual technologies	Intel Insider, Intel InTru 3D, Intel Quick Sync Video
Intel Turbo Boost Technology	No
Intel Identity Protection Technology	Yes
Intel Hyper-Threading Technology	Yes
Intel Anti-Theft Technology	Yes
Form factor	Clamshell
Colour of product	Black
Processor special features
Intel Virtualization Technology	VT-x
Enhanced Intel SpeedStep Technology	Yes
Intel Wireless Display (WiDi) Technology	Yes
Intel vPro Technology	No
Intel visual technologies	Intel Insider, Intel InTru 3D, Intel Quick Sync Video
Intel Turbo Boost Technology	No
Intel Identity Protection Technology	Yes
Intel Hyper-Threading Technology	Yes
Intel Anti-Theft Technology	Yes
Battery
Battery technology	Lithium-Ion (Li-Ion)
Number of battery cells	6
Battery life (max)	6.2h
Battery capacity (Watt hours)	48 Wh
Power
AC adapter power	65W
Security
Password protection	Yes
Cable lock slot	Yes
Weight & dimensions
Width	37.7 cm
Depth	25 cm
Height (front)	2.66 cm
Height (rear)	2.96 cm
Weight	2.46 kg
Packaging content
AC adapter included	Yes
Packaging data
AC adapter included	Yes
Certificates
RoHS compliance	Yes
EPEAT compliance	Gold
Energy Star certified	Yes

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