Operating System Windows 7 Starter Edition 32 bit Processor and Chipset Intel Atom processor N455 1.66GHz, 512KB L2 Cache, Intel NM10 Express Chipset Intel Graphics Media Accelerator 3150 with 0MB-250MB dynamically allocated shared graphics memory. Memory Configured with 1GB DDR2 667MHz (max 2GB) 1 main memory slot. Slot is occupied. Storage Drive 160GB (5400 RPM) Serial ATA hard disk drive Display 10.1" diagonal widescreen display at 1024 x 600 native resolution (WSVGA) LED backlight. Sound Built-in speaker (mono). Input Devices - US keyboard TouchPad pointing device. Communications - Webcam and microphone, 10/100 Ethernet , Wi-Fi Wireless networking (802.11b/g/n). Expandability - Memory Card Reader - Secure Digital, Secure Digital High Capacity, Multi Media Card [shared slot]. Ports - Video RGB (monitor) output port. Audio - Microphone input port Headphone output port Data - 3 USB v2.0 ports. Left side port with USB Sleep and Charge. RJ-45 LAN port. Security Slot for Security Lock. Physical Description - Texture Finish: Celestial Black. Dimensions (W x D x H ): 10.4" x 8.3" x 1.0"/1.27 Weight: Starting at 2.8 lbs., depending upon configuration Battery 5800mAh (6 cell) Lithium Ion battery pack Battery Life (measured by MobileMark 2007) Included 6-cell battery: 8 hours, 21 minutesPower 30W (19V x 1.58A) Auto sensing ,100-240V/50-60Hz AC Adapter Dimensions (W x D x H): 3.7"x 1.7" x 1.1" Weight: starting at .38 lbs.