Lenovo ThinkPad S431 1.8GHz i5-3337U 14" 1366 x 768pixels Black Notebook

Manufacturer part number 20AX0001US
Vendor Lenovo

Short Description
35.56 cm (14 ") HD 1366 x 768, Intel Core i5-3337U (3M Cache, 1.8 GHz), 4GB DDR3, Intel HD Graphics 4000, 500GB HDD + 24GB SSD, 720p HD WebCam, WLAN 802.11 a/b/g/n, Bluetooth 4.0, Windows 7 Pro 64-bit

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 come standard.

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.
Audio system Dolby Home Theater v4
Number of built-in speakers 2
Speaker power 1.5 W
Built-in microphone Y
Battery technology Lithium Polymer (LiPo)
Number of battery cells 4
Battery life (max) 6 h
Battery capacity (Watt hours) 46 Wh
Front camera Y
Energy Star certified Y
EPEAT compliance Gold
Product type Notebook
Color of product Black
Form factor Clamshell
Housing material Aluminium
Market positioning Business
Display diagonal 14"
Display resolution 1366 x 768 pixels
Touchscreen N
LED backlight Y
Aspect ratio 16:9
On-board graphics adapter base frequency 350 MHz
On-board graphics adapter dynamic frequency (max) 1100 MHz
Number of displays supported (on-board graphics) 3
On-board graphics adapter ID 0x166
Discrete graphics adapter N
On-board graphics adapter model Intel HD Graphics 4000
Discrete graphics adapter model Not available
On-board graphics adapter family Intel® HD Graphics
On-board graphics adapter Y
Pointing device ThinkPad UltraNav
Numeric keypad N
Full-size keyboard Y
Windows keys Y
Spill resistant keyboard Y
Keyboard backlit Y
Internal memory 4 GB
Internal memory type DDR3-SDRAM
Memory clock speed 1600 MHz
Memory layout (slots x size) 1 x 4 GB
Memory slots 1x SO-DIMM
Maximum internal memory 8 GB
Memory form factor SO-DIMM
Bluetooth Y
3G N
Wi-Fi Y
Wi-Fi standards 802.11a,802.11b,802.11g,802.11n
Ethernet LAN Y
Ethernet LAN data rates 10,100,1000 Mbit/s
Bluetooth version 4.0
4G N
Optical drive
Optical drive type N
LightScribe N
Other features
64-bit computing Y
Packaging content
Quick start guide Y
AC adapter included Y
Ports & interfaces
USB 3.0 (3.1 Gen 1) Type-A ports quantity 2
HDMI ports quantity 1
DVI port N
Ethernet LAN (RJ-45) ports 1
Microphone in N
S/PDIF out port N
Combo headphone/mic port Y
Docking connector N
DC-in jack Y
ExpressCard slot N
CardBus PCMCIA slot type N
SmartCard slot N
USB Sleep-and-Charge Y
USB Sleep-and-Charge ports 1
Headphone connectivity 3.5 mm
Microphone connectivity 3.5 mm
Processor socket BGA 1023
Processor lithography 22 nm
Processor operating modes 64-bit
Stepping L1
Bus type DMI
Processor codename Ivy Bridge
ECC supported by processor N
Thermal Design Power (TDP) 17 W
Processor series Intel Core i5-3300 Mobile series
FSB Parity N
Processor frequency 1.8 GHz
Processor family 3rd gen Intel® Core™ i5
Processor model i5-3337U
Processor boost frequency 2.7 GHz
Maximum number of PCI Express lanes 1
Processor cores 2
PCI Express slots version 2.0
Processor threads 4
PCI Express configurations 1x16,2x8,1x8+2x4
System bus rate 5 GT/s
Processor cache 3 MB
Processor cache type Smart Cache
Motherboard chipset Intel HM76 Express
Tjunction 105 °C
CPU multiplier (bus/core ratio) 18
Conflict Free processor Y
Integrated 4G WiMAX Y
L3 cache 3 MB
Processor special features
Enhanced Intel SpeedStep Technology Y
Intel® Clear Video HD Technology (Intel® CVT HD) Y
Intel Clear Video Technology N
Intel® InTru™ 3D Technology Y
Intel® Insider™ Y
Intel® Quick Sync Video Technology Y
Intel Flex Memory Access Y
Intel® Smart Cache Y
Intel® AES New Instructions (Intel® AES-NI) Y
Intel Trusted Execution Technology N
Intel Enhanced Halt State Y
Intel VT-x with Extended Page Tables (EPT) Y
Intel Demand Based Switching N
Intel® Secure Key Y
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID) N
Intel 64 Y
Execute Disable Bit Y
Idle States Y
Thermal Monitoring Technologies Y
Processor package size 31
Supported instruction sets AVX
Processor code SR0XL
CPU configuration (max) 1
Embedded options available N
Graphics & IMC lithography 22 nm
Intel Virtualization Technology for Directed I/O (VT-d) Y
Intel Identity Protection Technology version 1.00
Intel Secure Key Technology version 1.00
Intel Virtualization Technology (VT-x) Y
Intel Dual Display Capable Technology Y
Intel FDI Technology Y
Intel Rapid Storage Technology N
Intel Fast Memory Access Y
Intel® Wireless Display (Intel® WiDi) Y
Intel® My WiFi Technology (Intel® MWT) Y
Intel® Anti-Theft Technology (Intel® AT) Y
Intel® Identity Protection Technology (Intel® IPT) Y
Intel® vPro™ Technology N
Intel® Hyper Threading Technology (Intel® HT Technology) Y
Intel® Turbo Boost Technology 2.0
Intel® Small Business Advantage (Intel® SBA) Y
Processor ARK ID 72055
Cable lock slot Y
Fingerprint reader Y
Trusted Platform Module (TPM) Y
Password protection Y
Password protection type HDD, Power on, Supervisor
Operating system installed Windows 7 Professional
Operating system architecture 64-bit
Total storage capacity 524 GB
Storage media HDD+SSD
Number of hard drives installed 1
Hard drive capacity 500 GB
Hard drive interface Serial ATA
Hard drive speed 7200 RPM
Number of SSDs installed 1
Solid-state drive capacity 24 GB
Solid-state drive interface M.2
Card reader integrated Y
Compatible memory cards MMC,RS-MMC,SD,SDIO
Weight & dimensions
Weight 3.92 lbs (1.78 kg)
Width 13.1" (333 mm)
Depth 8.85" (224.8 mm)
Height 0.8" (20.3 mm)
Lenovo ThinkPad T431s 1.8GHz i5-3337U 14" 1600 x 900pixels Black Notebook
Intel Core i5-3337U (3M Cache, 1.80 GHz), 35.56 cm (14 ") HD+ (1600x900), 4GB DDR3, 500GB HDD, Intel
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