Premium Design & Technology for Small Business

This 14" Ultrabook™ focuses on details. Optimized for Windows 8, the new TrackPad enhances multitouch gestures, while Lenovo OneLink technology expands power and charges with a single cable. Plus our exclusive RapidCharge battery keeps you unplugged longer. Available in Silver and Gunmetal.

Read more.


Stylish, Svelte Design. Premium Features.

The S431 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 to the eloquent convenience. Black ports and a sandblast finish are 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 Backlit 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 view apps. Plus, a larger, smooth TrackPad with 5-point click integration –- indicated by subtle bumps and stripes — can be configured multiple ways through Settings.

Long Battery Life

Stay unplugged nearly all day—up to 6 hours—but when you do need to boost your battery, breakthrough Lenovo RapidCharge technology charges up to 80% in just 45 minutes.

Superior Web Conferencing / Voice-Over IP (VOIP)-Optimized

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.

Integrated Fingerprint Reader Available

Get quick, convenient access and secure login with one swipe.

Dolby® Home Theater®

This suite of audio technologies delivers increased audio clarity and maximized volume output without distortion—enjoy a crisp, clear surround sound experience over built-in stereo speakers.

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.

Fast Data Transfer

Move data quickly between the S431 and other devices with 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. Backward-compatible with USB 2.0 devices.

ThinkPad Edge S431 Laptop
Award-Winning Keyboard Further Enhanced for Windows 8
ThinkPad Edge S431 Laptop
Voice-Over IP (VOIP)-Optimized

Tech Specs

PDFLenovo Thinkpad S3-S431 Datasheet

PDFUser Guide

DescriptionThinkpad S3-S431 Ultrabook
  • Intel® Core™ i7-3537U
  • Intel® Core™ i5-3337U
  • Intel® Core™ i3-3227U
  • Intel® Core™ i3-3217U
Operating System
  • Windows 8
  • Windows 8 Pro
  • Windows® 7 (Selected countries)
  • 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 4000
  • AMD Radeon™ HD 8670M Graphics 1 GB
720p low light sensitive HD
Up to 8 GB Max DDR3L (1 DIMM Slot)
Battery / Battery Life
4 Cell Li-Polymer / > 6 hours
Dimensions (W x D x H)
333 mm x 225 mm x 20.5 mm (13.11" x 8.85" x 0.80")
1.78 kg (3.92 lbs)
  • 6 row Backlit keyboard
  • Spill resistant
  • Dymanic Windows® 8 function keys (F9-F12)
  • Stereo speakers
  • Built-in dual array microphone (combo jack)
Fingerprint Reader
Gigabit Ethernet
5-button ClickPad with glass surface
Optical Drive
No Optical Drive
I/O (Input/Output) Ports
  • (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

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
services icon

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 S431:
Battery Life
Up to 6 hours with 4-cell battery, plus RapidCharge technology
Starting at 3.92 lbs / 1.78 kg
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.