NB GA+ HP 4540S I5-3230M/15.6/4GB/500GB/DVD/COA/CAM

Operating System: Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size: 15.6" Display Max Resolution: 1366 x 768 Chipset: Mobile Intel HM76 Express Processors: Intel Core i3, i5, i7 3rd Gen Ram Memory: (2) Two Slots DDR3 Up to 16GB Hard Disk Drive: SATA, 7.200rpm 320/500/750 GB Graphics: Intel HD Graphics 4000 Network Adapter: 1 Gigabit Ethernet WiFi: Yes Web Camera: Optional Optical Disc Drive: 12.7 mm DVD ROM / DVD ReWritable USB: 2 x USB 3.0, 2 x USB 2.0 Ports: VGA , DP, RJ-45, Audio I/O, eSATA/USB 2.0 combo, Serial, 1394a, Docking, ExpressCard/54, Memory Card Reader Power Supply Adapter: 65W Dimensions: 37.4 x 25.1 x 3.4 cm Weight: 2.61 kg