Acer Extensa EX5420-5687 15.4" notebook PC. AMD Turion(TM) 64 X2 1.9 GHz Dual Core, 2GB DDR2 SDRAM, 160GB SATA HDD, Double-layer DVD&plusmn;RW/CD-RW, 802.11 b/g WiFi, Webcam, Vista Home Premium AMD Turion 64 X2 mobile technology TL-58 1.9GHz, 2GB DDR2 SDRAM Multiformat DVDRW/CD-RW drive with double-layer support records up to 8.5GB of data WXGA LCD widescreen 15.4" display with CrystalBrite technology Built-in Crystal Eye Web cam and microphone Five-in-One media card reader supports SD, MMC, MS, MS PRO and xD