Processor / Chipset CPU Intel Core i5 (2nd Gen) 2430M / 2.4 GHz Max Turbo Speed 3 GHz Number of Cores Dual-Core Cache 3 MB 64-bit Computing Yes Chipset Type Mobile Intel HM65 Express Cache Memory Installed Size 3 MB RAM Technology DDR3 SDRAM Installed Size 4 GB Storage Interface Serial ATA-300 Optical Drive DVD±RW (±R DL) Memory Max Supported Size 8 GB Technology DDR3 SDRAM Form Factor SO-DIMM 204-pin Slots Qty 2 Display LCD Backlight Technology LED backlight Widescreen Display Yes Image Aspect Ratio 16:9 Monitor Features 30 Days Bright Dot Return Type LED Diagonal Size (metric) 39.6 cm Display Resolution Abbreviation HD Audio & Video Graphics Processor Intel HD Graphics 3000 Memory Allocation Technology Dynamic Video Memory Technology 5.0 Integrated Webcam Yes Sound Stereo speakers, microphone Features Altec Lansing speakers Hard Drive Spindle Speed 5400 rpm Type HDD Capacity 500 GB Input Type keyboard, touchpad Features Palm Proof Technology, dustproof, multi-touch touchpad Communications Wireless Protocol 802.11b/g/n Wired Protocol Gigabit Ethernet Optical Storage Drive Type DVD-Writer DL Type DVD±RW (±R DL) Processor CPU Type 2nd Gen Core i5 Processor Number i5-2430M Generation 2 Manufacturer Intel Clock Speed 2.4 GHz Card Reader Type 4 in 1 card reader Supported Flash Memory Memory Stick, Memory Stick PRO, MultiMediaCard, SD Memory Card Battery Technology 6-cell Capacity 5200 mAh Cells 6-cell AC Adapter Input AC 120/230 V (50/60 Hz) Output 65 Watt, 19 V, 4.74 A Connections & Expansion Interfaces Microphone input Headphone output VGA 3 x USB 2.0 LAN HDMI Memory Card Reader 4 in 1 (SD Card, Memory Stick, Memory Stick PRO, MultiMediaCard)