The HP Elite Book 850 thin & light notebook allows users to be ultra-productive around the office. Work with complete confidence thanks to proven technologies, security, performance, & management features that will meet all your enterprise needs. Portable powerhouse Get the latest technology with Windows 8.11 & your choice of 5th Gen Intel Core™ processors that yield impressive speed & performance. Power through your day with long battery life built with professionals in mind Equipped for productivity Leave dongles behind with a drop-jaw Ethernet port, VGA port, & Display Port for key connections to all your devices. Stay connected with co-workers & customers with HP Connection Manager Sleek, durable design Never fear bumps & minor spills. The thin, light, & stylish HP Elite Book 850 endures HP’s Total Test Process & is designed to undergo MIL-STD 810G testing Processor Intel Core i 5-5200U 2.2 G Hz Turbo boost up to 2.7 G Hz 3MB Cache Memory 4GB 1600 M Hz DDR3 Configuration 1 x 4GB 2 x SODIMM Hard drive 500GB HDD 7200rpm Optical Drive None Software Operating System: Windows 7 Professional 64 (available through downgrade rights from Windows 8.1 Pro) (This system is preinstalled with Windows 7 Professional software & also comes with a license for Windows 8.1 Pro software. You may only use one version of the Windows software at a time. Switching between versions will require you to uninstall one version & install the other version. You must back up all data (files, photos, etc.) before uninstalling & installing operating systems to avoid loss of your data.) Display 39, 6 cm (15.6") diagonal HD SVA anti-glare flat LED-backlit Resolution: 1366 x 768 Graphics Intel HD Graphics 5500 Audio HD audio with DTS Studio Sound™ Integrated dual-microphone array 2 integrated stereo speakers Networking WIFI: Intel I218-LM Gb E (10/100/1000 NIC) Intel Dual Band Wireless-AC 7265 802.11a/b/g/n/ac (2x 2) Wi Fi Bluetooth 4.0 Combo Input Devices Spill-resistant backlit keyboard & drain Power Supply 65 W HP Smart AC adapter HP Long Life 3-cell, 50 WHr Li-ion polymer prismatic Interfaces 3 USB (Universal Serial Bus) 3.0 1 USB (Universal Serial Bus) 3.0 charging 1 Display Port 1.2 1 VGA 1 headphone/microphone combo 1 AC power 1 RJ-45 1 docking connector Warranty/ Misc 3-year Manufacturer’s Warranty 720p HD web camera