ThinkPad T420 (4179GWC) parameters

Basic parameters
Time to market	February 2012
product type	commercial More business notebooks>
product positioning	Business office book
operating system	Pre installed Windows 7 Home Basic 32bit (32-bit ordinary home version)>

processor
CPU series	Intel Core i5 Generation 2 Series
CPU model	Intel Core i5 2450M Middle end mainstream machine More Core i5CPU>
CPU main frequency	2.5GHz
Highest Rui frequency	3.1GHz Smooth operation
Number of cores/threads	Dual core/quad thread Weak multitasking More dual core/quad threaded notebooks>
L3 cache	3MB
Bus specification	DMI 5 GT/s
Sandy Bridge	Sandy Bridge
Process technology	32nm>
power waste	35W

storage device
Memory capacity	2GB
Memory type	DDR3 1333MHz
Number of slots	2xSO-DIMM
Maximum memory capacity	8GB
Hard disk capacity	500GB
Hard disk description	7200 rpm>

display
Screen size	14 inches fourteen Games, convenience More 14 inch notebooks>
display scale	16:9
Screen resolution	1366x768 Normal screen More plain screen notebooks>

Graphics card
Graphics card type	Dual graphics card (professional independent graphics card+integrated graphics card)
Graphics card chip	NVIDIA Quadro NVS 4200M＋Intel GMA HD 3000
Memory capacity	1GB Slightly hard More 1GB video memory notebooks>
Video memory type	GDDR3
Memory interface	64bit>

Multimedia device
camera	Integrated camera Puqing
Audio system	Built in audio chip
speaker	Stereo speakers
Microphone	Built-in microphone

Network Communications
wireless network adapter	Intel 1000 BGN
Wired network card	1000Mbps Ethernet card
Bluetooth	Support Bluetooth function

I/O interface
data interface	4 × USB2.0 (one e-SATA shared interface, one of which has Powershare power supply function)
Video interface	VGA> ， DisplayPort>
audio interface	Two in one headset/microphone connector
Other interfaces	RJ45 (network interface), power interface
card reader	4-in-1 memory card reader (SD, SDHC，SDXC，MMC）
Expansion Slots	ExpressCard

input device
Referral equipment	Integrated multi touch touch pad and pointer
Keyboard description	Full size keyboard>
fingerprint identification	Support intelligent fingerprint recognition function

Power supply description
Battery type	6-cell lithium battery>
Endurance	About 9 hours, depending on the specific use environment Long life notebook>

appearance
Notebook weight	2.18Kg
length	340mm
width	229.8mm
thickness	29.9-30.4mm
Shell material	carbon fibre
Enclosure description	black

other
Safety performance	Security keyhole, hard disk password, power on password, super user password
Included software	Included software

Notebook Accessories
Packing list	Notebook host x1 Battery x1 Power adapter x1 Power cable x1 Instruction x1 Warranty card x1

Warranty Information
warranty policy	National joint insurance, enjoying three guarantees service
Warranty period	1 year
Warranty remarks	1 year parts and labor, customer sent for repair
customer service telephone numbers	800-990-8888
Phone notes	Monday to Friday: 8:30-17:30 (holiday break)
Details	During the free warranty period of the product, if the Lenovo products you purchased and used in the People's Republic of China (excluding Hong Kong, Macao and Taiwan) officially released in the mainland of China have hardware failures within the scope of this service commitment, please call the Lenovo Think hotline first to report them. The warranty period shall be subject to the warranty period marked on the attached insurance card of the product you purchased. The card will not be reissued. Please keep it properly during the warranty period. Enter the official website>>>

*For reference only, please refer to the local actual product sales information; If the information is found to be incorrect, please complain

Thanks for the enthusiastic netizens xiaokang3825 Correction of product parameters