Lenovo ThinkPad T431s specs

General

• Packaged Quantity 1
• System Type Ultrabook
• OS Provided Microsoft Windows 8,
  English
• Notebook type Ultrabook ,
  HD display,
  Midsize

Processor / Chipset

• CPU Intel,
  Core i5 3 i5-3337U / 1.8 GHz
• Max Turbo Speed 2.7 GHz
• Number of Cores Dual-Core
• Cache 3 MB
• 64-bit Computing Yes
• Chipset Mobile Intel QM77 Express
• Features Intel Turbo Boost Technology 2.0,
  Integrated memory controller,
  Hyper-Threading Technology

Memory

• RAM 4 GB
• Max RAM Supported 12 GB
• Technology DDR3L SDRAM
• Speed 1600 MHz / PC3-12800
• Slots Qty 1
• Empty Slots 1

Storage

• Interface Serial ATA-300
• Optical Drive None

Display

• Type 14 in
• LCD Backlight Technology LED backlight
• Max Resolution 1600 x 900,
  ( HD+ )
• Widescreen Yes
• Image Aspect Ratio 16:9
• Features Anti-glare

Audio & Video

• Graphics Processor Intel HD Graphics 4000
• Camera Yes
• Capture Resolutions 1280 x 720
• Camera Features Face-tracking technology
• Sound Stereo speakers , Stereo microphone
• Codec Realtek ALC3202
• Compliant Standards High Definition Audio,
  Dolby Home Theater v4

Input

• Type Backlit keyboard,
  UltraNav,
  TrackPoint
• Keyboard Layout English - US
• Features Spill-resistant,
  Multi-touch touchpad

Communications

• Wireless 802.11n,
  Bluetooth 4.0
• Wireless Controller Intel Centrino Advanced-N 6235
• Network Interface Gigabit Ethernet
• Ethernet Controller Intel 82579LM

Wireless Broadband (WWAN)

• Generation 3G/4G upgradable

Battery

• Technology 3-cell Lithium polymer
• Capacity 47 Wh
• Run Time 9 hour(s)

AC Adapter

• Voltage Required AC 120/230 V ( 50/60 Hz )
• Output 45 Watt

Connections & Expansion

• Expansion Bays None
• Slots None
• Interfaces USB 3.0,
  PoweredUSB 3.0,
  VGA,
  Mini DisplayPort,
  LAN,
  Dock,
  Headphone/microphone combo jack
• Memory Card Reader 4 in 1 card reader ( SDHC Memory Card ),
  ( SDXC Memory Card ),
  ( SD Memory Card ),
  ( MultiMediaCard )

Miscellaneous

• Color Graphite black
• Case Material Glass-fiber,
  Carbon fiber,
  Magnesium alloy
• Embedded Security Trusted Platform Module (TPM 1.2) Security Chip , Fingerprint reader
• Features ThinkVantage Active Protection System,
  Security lock slot (cable lock sold separately) ,
  Hard drive password,
  Administrator password,
  Intel Active Management Technology (iAMT),
  Power-on password
• Compliant Standards GREENGUARD,
  RoHS
• Localization English

Dimensions & Weight

• Width 13 in
• Depth 8.9 in
• Height 0.82 in
• Weight 3.6 lbs

Manufacturer Warranty

• Service & Support 1 year warranty
• Service & Support Details Limited warranty - 1 year

Sustainability

• ENERGY STAR Qualified Yes
• Greenpeace policy rating (Nov 2011) 3.8
• Greenpeace policy rating (Nov 2012) 3.9