Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.6'' Display Max Resolution : 1920 x 1080 Chipset : Chipset Intel® QM175 or CM238 (depending on CPU) Processors : Intel® Xeon® processor E3-1505M v6 or Intel® Core™ i7-7820HQ processor Ram Memory : 4 SO DIMM slots, Up to 64 GB DDR4 2400 MHz Hard Disk Drive : M.2 SSD NVMe Graphics : NVIDIA® Quadro® M2200 2 GB Intel® HD Graphics 630 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Optional Optical Disk Drive : N/A USB : 3x USB, 1x USB Type-C Ports : 1x DC-in, 1x Audio: line-in / microphone, 1x Audio: line-out, 1x VGA, 1x DisplayPort, 1x RJ-45, 1x SmartCard slot, 1x SIM card slot, 1x Multicardreader, 1x Kensington Lock support, 1x Docking connector Power Supply Adapter : 150W Dimensions : 380mm x 257mm x 24.8mm Weight : Starting at 2.75 kg