With a twist & a touch, the HP Elite Book 2740p Tablet PC combines the performance of a notebook with the flexibility of a tablet. It features a 12.1-inch diagonal display with optional touchscreen & a durable magnesium alloy case. Processor Intel Core i 5-540M 2.53 G Hz, 3 MB L3 cache Intel Centrino 2 with v Pro technology Mobile Intel QM57 Express Memory 2GB DDR3 1333 M Hz SDRAM 2 x so DIMM slot Hard Drive 160GB SATA II 5400rpm Optical Drive None Software Operating System: Windows 7 Professional 32 HP Recovery Manager (available with Windows 7 or Vista only); HP Support Assistant (available with Windows 7 or Vista only); HP Quick Launch Buttons Software; HP Quick Look 3; HP Quick Web; HP Day Starter; HP Power Assistant; HP Connection Manager; HP Wireless Assistant; Microsoft Office Professional 2007 60-day Convertible Trial; Mc Afee Total Protection; PDF Complete SE; HP Webcam Software; Win Zip 12 (trial version) Display 30, 7 cm (12.1") diagonal LED-backlit WXGA ultra wide viewing angle anti-glare Resolution: 1280 x 800 Graphics Intel HD Graphics Microsoft Direct X 10 (Shader 4.0) Open GL 2.1 capable, DDR3 system memory Audio Integrated speakers SRS Premium Sound, stereo speakers, stereo headphone/line out, stereo microphone in, integrated microphone (integrated dual-microphone array with webcam) Input Devices Keyboard: HP spill-resistant keyboard, HP Night Light shines directly on the keyboard for low-light conditions Touchpad: Dual pointing (Touchpad with scroll zone & Pointstick, each with two pick buttons), Digital Eraser Pen with tether & clip, Multi-touch screen gestures Networking Network interface: Integrated Intel 82577 Gigabit Ethernet (10/100/1000 NIC) Wireless: Intel 802.11a/b/g/n; HP Integrated Module with Bluetooth 2.1 Wireless Technology Power Supply HP Long Life 6-cell (39 WHr) Lithium-Ion Primary Battery External 65W Smart AC adapter; Power cord (1.8 meters, with AC adapter 3.66 meters); HP Fast Charge Interfaces 3 USB (Universal Serial Bus) 2.0 1 1394a 1 AC power 1 combo stereo headphone/mic jack 1 RJ-11 1 RJ-45 1 VGA-in Expansion 1 Express Card/34; 1 Smart Card Reader; 1 secure digital/ Multi Media card Warranty / Miscellaneous 1 Year Manufacturer Warranty 2 MP Webcam with Business Card Reader Software