Product Features Intel Core I3-380UM Processor ( 1.33GHz, 3MB L3 Cache) ; 4GB DDR3 SDRAM memory ( 2 x 2GB) ( expandable to 8GB) ; 500GB ( 7200 RPM) Serial ATA hard drive; Genuine Windows 7 Home Premium 64-bit 12.1 inch diagonal High-Definition BrightView Touchscreen ( 1280 x 800) . Panel rotates 180° And folds flat. Supports multi-gesture and stylus input through capacitative digitizer technology, Intel HD Graphics with up to 1695MB total graphics memory External Ports: 5-in-1 memory card reader; 3 USB 2.0; 1 HDMI; 1 VGA ( 15-pin) ; 1 RJ -45 ( LAN) ; 1 Headphone-out/ Microphone-in combo jack ( compatible with 3.5mm 4-conductor jack with stereo audio and mono mic) Dolby Advanced Audio with Altec Lansing speakers; Integrated 10/ 100/ 1000 Gigabit Ethernet LAN; Wireless LAN 802.11b/ g/ n WLAN Brushed aluminum finish; Full-size island-style keyboard; Clickpad with On/ Off button; TrueVision Webcam with integrated digital microphone; SimplePass with integrated fingerprint reader Processor, Memory, and Motherboard Hardware Platform: PC Processor: 1.33 hertz Intel Core I3 Number of Processors: 2 RAM: 4 GB RAM Type: SDRAM Memory Slots: 2 Hard Drive Size: 500 GB Manufacturer: SATA Type: Serial ATA Speed: 7200 rpm Ports and Connectivity USB Ports: 3