Operating System : Windows 10 Home & Pro,  Ubuntu Linux, Free DOS Display Size : 14.0" Display Max Resolution : 1366 x 768 or 1920 x 1080 or 2560 x 1440 (depending on model) Chipset : Chipset integrated with processor Processors : Intel Core i3, i5, i7 6th Gen Ram Memory : (2) two SODIMM Slots,  DDR4 PC4-17000,  Up to 32GB Hard Disk Drive : SATA II - SATA III, M.2 Graphics : Intel HD Graphics 520 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Optional Optical Disc Drive : No Optical Drive USB : 2 x USB3.1, 1 x USB Type-C Ports : VGA, DisplayPort, RJ-45, Dock Power Supply Adapter : 45W Dimensions : 33.8 x 23.7 x 1.89 cm Weight : Starting at 1.48 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Display Size : 14.0" Display Max Resolution : 1920 x 1080 Chipset : Integrated with processor Processors : Intel Core i5, i7 8th Gen Ram Memory : 8 GB DDR4 Hard Disk Drive : SSD Graphics : Intel HD Graphics 620 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Optional Optical Disc Drive : N/A USB : 3 x USB-A 3.0, Ports : LAN, HDMI, VGA, Audio in/out, Cardreader Power Supply Adapter : N/A Dimensions : 333 x 24.5 x 226 mm Weight : 1.26 kg

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