Ideapad Z560 Processor (speed, L2 cache, FSB) Intel Core i3 - 380M, 2.53 GHz, 3 MB L2 cache, 2 cores, 4 threads, Operating system Windows 7 Home Premium 64 bit Display/resolution 15.6" HD WXGA (1366 x 768) TFT Color, Vibrant View (glossy) LED backlight, 220 nits, 16:9 aspect ratio, 500:1 contrast ratio Video graphics Integrated Intel GMA HD Graphics Serial ATA hard drive 320 GB, 5400 RPM SSD Hard Drive none Memory 4 GB PC3-8500 1066 MHz DDR3, non parity, dual channel capable, two 204 pin SO DIMM sockets Maximum memory 8 GB DDR3 Optical drive DVD RW Camera 0.3 megapixel Sound solution Stereo speakers 2 watt x 2 Integrated communications 802.11 b/g/n, 10/100 ethernet Security McAfee Virus scan 2009 Trial Version System weight 5.73 lbs System dimensions 14.8" x 9.8" x 0.7" to 1.4" Shipping unit weight 9.0 lbs Shipping unit dimension 17.5" x 12.4" x 4.6" MOQ 72 Pallet Dimensions (L x W x H) 47.2" x 39.3" x 42.5" Li-Ion Battery Life 6 cell / up to 4.5 hours Limited warranty 1 year limited warranty Included software OneKey Recovery, OneKey Theater, Lenovo Readycomm, ooVoo, Adobe Reader, Windows Live Toolbar, CyberLink YouCam, Microsoft Office 2010 Starter Edition, Veriface, Lenovo Energy Management software, Cyberlink Power2Go (dvd +/- rw), Lenovo DirectShare, DDNI 2.0 Expansion 2 x USB 2.0 and 1 x eSATA / USB combo port, external monitor VGA,HDMI, Ethernet (RJ-45), Microphone Input, Headphone Jack, One Slot Express Card / 34, 5 in 1 reader (multimedia card, memory stick, memory stick pro, secure digital card, xD picture card)