Lenovo ThinkPad T431s 1.8GHz i5-3337U 14" 1600 x 900pixels Black Notebook

Manufacturer part number 20AA000BUS
Vendor Lenovo

Short Description
Intel Core i5-3337U (3M Cache, 1.80 GHz), 35.56 cm (14 ") HD+ (1600x900), 4GB DDR3, 500GB HDD, Intel HD Graphics 4000, 720p HD webcam, Gigabit Ethernet, WLAN 802.11 b/g/n, Bluetooth 4.0, Windows 7 Professional/Windows 8 Pro 64 bit


With carbon fiber reinforcement for durability, a newly enhanced keyboard optimized for Windows 8, and introducing the ThinkPad 5-point TrackPad, the T431s Ultrabook™ delivers premium features.

- ThinkPad Precision Keyboard with optional backlight
- Dolby® Home Theater® v4
- Intel® vPro™
- Roll-cage technology, a collection of durability features that add extra strength and rigidity to the magnesium bottom shell and carbon fiber top cover
- Bottom mechanical docking compatible with Lenovo ThinkPad Series 3 Docks
- Integrated 720p HD webcam with face tracking
- WWAN 3G/4G
- 30-day standby mode
- 2x USB 3.0, mini DisplayPort, VGA, 4-in-1 card reader, optional smart card reader, Ethernet RJ45, 3.5mm combo jack headphone/mic
Audio system Dolby Home Theater v4
Built-in microphone Y
Battery technology Lithium Polymer (LiPo)
Number of battery cells 3
Battery life (max) 9 h
Battery capacity (Watt hours) 47 Wh
Product type Notebook
Color of product Black
Form factor Clamshell
Housing material Carbon fiber, Magnesium
Intel segment tagging Home office, Small Business
Display diagonal 14"
Display resolution 1600 x 900 pixels
Touchscreen N
LED backlight Y
Aspect ratio 16:9
Display brightness 250 cd/m²
HD type HD+
On-board graphics adapter Y
On-board graphics adapter family Intel® HD Graphics
Discrete graphics adapter N
On-board graphics adapter model Intel HD Graphics 4000
Discrete graphics adapter model Not available
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
Pointing device Touchpad + Pointing Stick
Numeric keypad N
Internal memory 4 GB
Internal memory type DDR3-SDRAM
Memory slots 1x SO-DIMM
Maximum internal memory 12 GB
Memory form factor On-board + SO-DIMM
Bluetooth Y
3G N
Wi-Fi Y
Wi-Fi standards 802.11b,802.11g,802.11n
Ethernet LAN Y
Ethernet LAN data rates 10,100,1000 Mbit/s
Bluetooth version 4.0
Cabling technology 10/100/1000Base-T(X)
Optical drive
Optical drive type N
LightScribe N
Packaging content
AC adapter included Y
Ports & interfaces
USB 3.0 (3.1 Gen 1) Type-A ports quantity 2
VGA (D-Sub) 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 Y
DC-in jack Y
Mini DisplayPorts quantity 1
ExpressCard slot N
CardBus PCMCIA slot type N
Processor frequency 1.8 GHz
Processor family 3rd gen Intel® Core™ i5
Processor model i5-3337U
Processor boost frequency 2.7 GHz
Processor cores 2
Processor threads 4
System bus rate 5 GT/s
Processor cache type Smart Cache
Processor socket BGA 1023
Processor lithography 22 nm
Processor operating modes 64-bit
Stepping L1
Bus type DMI
Processor codename Ivy Bridge
Processor cache 3 MB
ECC supported by processor N
Thermal Design Power (TDP) 17 W
Processor series Intel Core i5-3300 Mobile series
FSB Parity N
Maximum number of PCI Express lanes 1
PCI Express slots version 2.0
PCI Express configurations 1x16,2x8,1x8+2x4
Tjunction 105 °C
CPU multiplier (bus/core ratio) 18
Conflict Free processor Y
Integrated 4G WiMAX Y
Processor special features
Processor ARK ID 72055
Intel® Wireless Display (Intel® WiDi) Y
Intel® My WiFi Technology (Intel® MWT) Y
Intel® Anti-Theft Technology (Intel® AT) 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) N
Intel® Identity Protection Technology (Intel® IPT) Y
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
Cable lock slot Y
Operating system installed Windows 7 Professional
Operating system architecture 64-bit
Optional operating system supplied Windows 8 Pro
Total storage capacity 500 GB
Storage media HDD
Number of hard drives installed 1
Hard drive capacity 500 GB
Hard drive interface Serial ATA
Card reader integrated Y
Compatible memory cards MMC,SD,SDHC,SDXC
Weight & dimensions
Weight 3.59 lbs (1.63 kg)
Width 13" (331 mm)
Depth 8.9" (226 mm)
Height 0.811" (20.6 mm)
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