Optimized for Windows 8, with new ThinkPad TrackPad which has 5-point click integration, OneLink technology for expanding ports and power, RapidCharge battery, impressive performance features like 4th generation Intel® Core™ i7 processors and powerful graphics options.

Explore Features


Stylish, Svelte Design. Premium Features.

The S440 shell combines aluminum and magnesium alloy for both durability and lightness. A single unified hinge adds strength, while also enabling 180-degree opening so the Ultrabook lies flat or rests at any angle. Unique attention to detail like indented sides for carrying add convenience and style. Black ports and a sandblast finish top off the design embellishments on the S440, which is available in both Silver and Gunmetal.

New 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, which provides dedicated video, USB 3.0 ports, Gigabit Ethernet, and audio—all while charging your notebook.

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, LED status indicators, function-lock capability, and immediate access to apps. Plus, a larger, smooth TrackPad with 5-point click integration can be configured multiple ways through Settings.

Long Battery Life

Stay unplugged all day—up to 9 hours—but when you do need to boost your battery, breakthrough Lenovo RapidCharge technology charges up to 80% in just 45 minutes. The battery is removable and can be replaced.

Superior Web Conferencing

A low-light sensitive 720p HD webcam with wide-angle viewing and face-tracking, along with dual noise cancelling microphones deliver crystal-clear private and conference mode VOIP meetings. Plus, convenient multimedia keys provide quick and easy access to microphone, speaker, and camera controls.

Dolby® Home Theater®

This suite of audio technologies enables your ThinkPad S440 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.

ThinkPad S440 Ultrabook Laptop
Award-Winning Keyboard Further Enhanced for Windows 8
ThinkPad S440 Ultrabook Laptop
Voice-Over IP (VOIP)-Optimized

Tech Specs

PDFLenovo ThinkPad S3-S440 Datasheet

PDFUser Guide

DescriptionThinkPad S3-S440 Ultrabook
  • Intel® Core™ i7-4500U
  • Intel® Core™ i5-4200U
  • Intel® Core™ i3-4010U
Operating System
  • Windows 8
  • Windows 8 Pro
  • Windows 7 (Selected)
  • Ubuntu Linux (PRC only)
  • 14.0" HD Antiglare Display (1366 x 768) (200 NITS)
  • 14.0 HD+ Antiglare Display (1600 x 900) (250 NITS)
  • Integrtaed Intel® HD Graphics 4400
  • AMD Radeon™ HD 8670M Graphics 2GB
720p low light sensitive HD
Up to 8GB, DDR3L (1 DIMM Slot)
Battery / Battery Life
> 6 hours
Dimensions (W X D X H)
333 mm x 225 mm x 20.5 mm / 22.5 mm with Touch (13.11" x 8.85" x 0.80" / 0.88" with Touch)
1.78 kg (3.92 lbs) / 1.92 kg (4.23 lbs) with Touch
  • 6 row Backlit keyboard
  • Spill resistant
  • Dymanic Windows® 8 function keys (F9-F12)
  • Dolby® Advanced Audio with Stereo speakers
  • Built-in dual array microphone (combo jack)
Fingerprint Reader
Gigabit Ethernet
5-button ClickPad with glass surface
I/O (Input/Output) Ports
  • (1) RJ45
  • (1) HDMI
  • (1) 3.5mm Combo Jack Headphone / MIC
  • (2) USB 3.0 with (1) always on USB
  • (1) 4-in-1 SD Card Reader
  • (1) Lenovo® OneLink Technology
  • HDD : Up to 500GB
  • SSD : Up to 256GB

Software Offering

Supported LSC
  • Hardware Diagnostic
  • Device Manager
  • Backup and Restore
  • Antivirus and Firewall Settings
  • System and Software Updates
  • Internet Connections
  • Service and Support
Preloaded Applications
  • Microsoft® Office
  • Norton Antivirus
  • Lenovo® Cloud Storage (Non-PRC)
  • Evernote
  • Kindle
  • Skype™

Accessories & Services

  • ThinkPad OneLink Dock (4X10A06077 )

    ThinkPad OneLink Dock (4X10A06077 )

    Enables a clutter-free desktop with single cable management, plus OneLink Dock lets you get more from your power cable! Docking provides dedicated video, USB 3.0 ports, Gigabit Ethernet, and audio — all while charging your notebook.

  • ThinkPad In-Ear Headphones (57Y4488 )

    ThinkPad In-Ear Headphones (57Y4488 )

    Offering exceptional audio performance and comfort, the ThinkPad in-ear headset with in-line microphones lets you switch seamlessly between music and calls. The noise isolating design with integrated microphone includes small, medium, and large silicone sleeves, as well as a flexible 3.5mm Y cable that allows you to easily connect your headset to your PC.

  • Lenovo Security Cable Lock (57Y4303)

    Lenovo Security Cable Lock (57Y4303)

    The Lenovo Security Cable Lock allows you to help reduce theft and manage physical security access wherever you need it. One piece design for easy use. Lightweight ( 130 g / 0.29 lbs ) design is ideal to carry in a carrying case for extra security when traveling.

  • Lenovo Sport Slim Case  (0A33897 Red)

    Lenovo Sport Slim Case (0A33897 Red)

    The Lenovo Slim Sport Case helps to protect your laptop and looks good doing it! Featuring a lightweight sporty design, this case is perfect for on-the-go (weighs only 1.19 lbs / .54 kg). The padded laptop compartment fits most laptops up to 15.6-inches wide. Includes convenient padded carrying handle and shoulder strap, as well as an enlarged pocket for smart phones.

Protect Your ThinkPad Laptop With Lenovo Services
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Why Lenovo Services?

  • Comprehensive portfolio of award-winning services to support your PC throughout its lifecycle.
  • Services performed by Lenovo-certified technicians using Lenovo-qualified parts. No one knows our machines like we do!
  • Global delivery network and infrastructure delivering expertise where you need it most.

24/7 Access to Advanced Technicians

  • Priority Technical Support makes your priority, our priority. 24x7 priority call routing to Lenovo’s advanced-level technicians, electronic incident tracking, and escalation management.

On-Site Convenience and Extended Protection

  • Extended Warranties (up to 5 years) offer fixed term, fixed cost protection to help you accurately budget for PC expenses.
  • Warranty Upgrades/On-Site Service can maximize uptime and productivity with convenient, fast repair service at your place of business.

Drops or Spills? No Problem With Accidental Damage Protection

  • Accidents happen, but it’s still possible to protect yourself from expensive, unexpected repairs. Lenovo provides coverage for damage incurred outside of warrantee under normal operating conditions, such as minor spills, drops, electrical surges, or damage to the integrated display.

Ultimate Data Security

  • Keep Your Drive allows you to retain possession of your drive and data for maximum security and protection. (Not available in all regions.)
Standard on the S440:
Battery Life
Up to 9 hours with RapidCharge on standard removable 4-cell battery
Starting at 3.92 lbs / 1.78 kg & .81" thin / 20.5 mm thin
Lenovo OneLink technology, 2 USB 3.0 (1 always-on), RJ45 Ethernet, 4-in-1 card reader, HDMI, combo mic/headphone jacks
Dual digital array microphones with noise suppression technology
Stereo speakers with Dolby® Home Theater®


Lenovo has won hundreds of international awards for our forward-thinking designs.