Basic parameters Processor: Intel Core2 Duo (Penryn) SL9400 (1.86GHz) Core Architecture: Penryn Processor type: Core 2 Duo Processor frequency: 1860MHz 2 cache: 6144KB L2 Motherboard Chipset: Intel GS45 + ICH9MS System Bus: 800MHz Mobile Platform: Centrino 2 platform Product Positioning: thin, high-end, subject Storage Memory capacity: 3GB Memory Type: DDR3 1066 Maximum support Memory: 2 memory slots, maximum capacity to support 8GB HDD Type: SATA hard drive Hard disk parameters: 5400 rpm Hard disk capacity: 250GB Display Screen size: 13.1 inches Display Description: widescreen, LED backlight, 16:9 aspect ratio, 8ms response time / color saturation 82% / Max Brightness: 410 nits (m square candle) Resolution: 1366 × 768 AV Graphics type: set-Hin + alone significantly Graphics chip: Mobility Radeon HD 4330 Memory Capacity: 512M Memory Interface: 64bit Memory Type: DDR2 Stream processors: 40 Graphics Performance: PCI-E X16 interface standards, support DirectX 10.1 Audio System: Built-in audio chip Speaker: Built-in speaker Communications Wireless Communications: 802.11a/g/n Wireless LAN Input USB: 2 Ge, USB2.0 Card Reader: Built-in Other interfaces: HDMI interface, voice input, voice output hole, DC power jack, security keyhole Featured Equipment Built-in camera built-in camera Structural characteristics Weight: About 1.7Kg Size: 230 × 215 × 20.5mm Appearance shell: magnesium alloy body shape Power Specifications Battery type: four-or six-cell Lithium-Ion (90W AC) Other OS: Windows 7 Home Premium 64-bit Optional accessories: Lithium battery, power adapter, software CD-ROM, Manual