Manufacturer # VGNNR285E/S processor model Intel Core 2 Duo T5450 processor speed 1.66 GHz brand name Sony VAIO model name VAIO VGN-NR285E/S Wi-Fi capability (Wi-Fi ready) yes hard drive capacity 200 GB memory 2.0 GB memory speed PC2-5300 memory type DDR2 SDRAM maximum memory capacity 4.0 GB included integrated drives DVD±RW/DVD-RAM/DVD+R DL diagonal screen size 15.4 inches notebook computer weight 6.2 lb screen type XBrite-Eco TFT active matrix LCD operating system Windows Vista Home Premium screen resolution 1280 x 800 software included yes warranty 1-year limited number of USB 2.0 ports 4 number of USB 1.1 ports 0 modem standard 56K V.92 average battery life 3.5 hours audio hardware Windows-compatible sound frontside bus speed 667 MHz integrated speaker yes integrated memory card reader yes mouse pointer type touchpad number of VGA video ports 1 video hardware Mobile Intel Graphics Media Accelerator X3100 video memory 358MB shared thickness 1 1/2 inches width 14 1/5 inches depth 10 3/5 inches Ethernet port yes number of parallel ports 0 number of PS/2 ports 0 number of S-video out ports 0 number of serial ports 0 infrared port no computer battery type lithium-ion number of FireWire ports 1