ThinkPad R400 2784A95 parameter details 
 The main commercial product positioning performance 
 Processor Intel Core 2 Duo T6570 
 2.1GHz processor frequency 
 2MB secondary cache 
 Bus Frequency 800MHz 
 Describe the dual-core dual-threaded processor 
 Motherboard Chipset Intel GM45 + ICH9M 
 2GB memory capacity 
 Memory Type DDR3 1066 
 Description of two memory slots memory 
 Maximum memory capacity 4GB 
 320GB hard drive capacity 
 Hard to describe SATA interface, 7200 
 Drive type DVD burners 
 Describe the built-in optical drive tray, double-layer burning 
 14.1 inches display screen size 
 Common Widescreen Display Type 
 Standard resolution 1280 × 800 
 16:10 screen ratio 
 Backlight Technology LED Backlight 
 Video card type independent / integrated 
 Type ATI Mobility Radeon HD3470 graphics card 
 Integrated Intel GMA 4500MHD 
 Memory capacity of 256MB 
 64-bit memory interface 
 Number 40 stream processors 
 DirectX 10.1 
 Audio speakers built-in speaker 
 Microphone built-in microphone 
 Wireless Internet network transmission 802.11a/g/n (300Mbps) 
 Gigabit Ethernet wired Internet access 
 56K dial-up 
 Bluetooth support 
 Main Interface Data Interface 3 USB 2.0, 1 个 IEEE1394 
 VGA video interface 
 Audio interface audio output, microphone input 
 Network Interface RJ45 network cable port, RJ11 telephone line interface 
 Other interface an ExpressCard, docking station 
 Card Reader 7 in 1 card reader 
 Other features pointing device pointing stick, touchpad 
 Camera built-in camera 
 Security Features Security Slot 
 Power specification Battery 4-cell lithium battery 
 Life time of about 3.7 hours, depending on the specific time use of the environment 
 Exterior features composite body material 
 Body Color Black 
 Length 335.5 mm 
 Width 238 mm 
 Thickness of 35 mm 
 Weight 2.36 kg 
 Random accessories operating system, Windows 7 Home Basic 
 Random Accessories lithium battery, power adapter, manual 
 With software such as ThinkPad Rescue and Recovery 
 Warranty 3 years parts and labor warranty 
 Other features full-size keyboard