Features Below is a brief summary of the computer’s many feature: Operating System • Genuine Windows® Vista™ Platform • Intel® Centrino® 2 processor technology, featuring: • Intel® Core™2 Duo processor • Mobile Intel® GM45 Express Chipset • Intel® Wireless WiFi Link 5100/5300* • Intel® Wireless WiFi Link 5150/5350 (Subject to availability) System Memory • Dual-Channel DDR2 SDRAM support • Up to 2 GB of DDR2 667 MHz memory, upgradeable to 4 GB using two soDIMM modules* Display and graphics • 12.1" WXGA 1280 x 800 • Graphics • Mobile Intel® GM45 Express Chipset (Intel® Graphics Media Accelerator X4500HD) Storage subsystem • 2.5" hard disk drive • Optical drive options: • DVD-Super Multi double-layer drive • DVD/CD-RW combo drive • 5-in-1 card reader Audio • Dolby®-optimized surround sound system with two built-in stereo speakers • High-definition audio support • S/PDIF (Sony/Philips Digital Interface) support for digital speakers • MS-Sound compatible • Acer PureZone technology with two built-in stereo microphones