Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.6'' Display Max Resolution : 1920 x 1080 or 3840 x 2160 Chipset : Mobile Intel HM170 Express Chipset / Intel CM236 Processors : Intel Core Xeon E3-1505M v5, Intel Core i7-6820HQ, Intel Core i7-6700HQ, Intel Core i5-6440HQ, Intel Core i5-6300HQ Ram Memory : Two (2) SODIMM slots , Up to 32 GB DDR4 2133 MHz Hard Disk Drive : One internal 2.5 inch SATA HDD or SSD, M.2 PCIe NVMe solid state drive Graphics : Intel® Pro Graphics 530 & P530 or NVIDIA Quadro M1000M with 2GB GDDR5 dedicated memory Network Adapter : N/A WiFi : : Intel® 8260 Dual-Band 2x2 802.11 ac Web Camera : Yes Optical Disc Drive : No Optical Drive USB : Two (2) USB 3.0, One (1) USB-C/Thunderbolt 3 Ports : HDMI, SD 4.0 slot Power Supply Adapter : 130 Watt AC adapter (4.5mm barrel) Dimensions : 35.7 x 23.5 x 1.7 cm Weight : 1.78 kg