Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.6'' Display Max Resolution : 1920 x 1080 Chipset : Mobile Intel CM236 Processors : 6th Generation Intel Core up to i7 processors, Xeon Ram Memory : Four (4) x SODIMM slots, up to 64 GB DDR4 1.35V ECC or Non-ECC SDRAM (Transfer rates up to 2133MT/s) Hard Disk Drive : 1TB GB 7200 rpm or SSD, SATA, M2, NVMe connections Graphics : Intel HD Graphics 530 Network Adapter : Integrated GbE Network Connection WiFi : Yes Web Camera : Optional Optical Disc Drive : DVD ROM / DVD ReWritable USB : Three (3) x USB 3.0 Ports : HDMI, VGA, RJ-45,1 x Docking Connector, 2 x Thunderbolt 3, 1 x ExpressCard/54 Slot, 1 x Smart Card Power Supply Adapter : HP 150W Slim Smart AC adapter Dimensions : 386 x 264 x 26 mm Weight : 2.59 kg