Operating System : Windows 10 Home & Pro. MAR, Windows 10 Home & Pro MAR Chipset : Intel B250 Processors : Intel 7th generation Core i7/i5 Quad Core, Core i3 Dual Core and Pentium Dual Core Memory Support : Up to 2 SODIMM slots. Non-ECC dual-channel 2400MHz DDR4 SDRAM, up to 32 GB. Hard Drive : SATA 2.5" or SSD, or M2 (optional) Removable Media : N/A Expansion Bays : 1 (total) / 0 (free) x internal 2.5" x 1/8H Expansion Slots : 1 (total) / 0 (free) x M.2 Card Graphics : Integrated Intel HD Graphics Audio : N/A Communications : Realtek RTL8111H, Intel Dual Band Wireless-AC 3165 I/O Ports : 4 USB3.0 (2 front and 2 rear); 2 USB 2.0 (rear) 1 RJ-45; 1 DisplayPort; 1 HDMI 1.4 Input Devices : Standard Keyboard, Mouse (USB) Power : 35W Dimensions : 18.2 x 3.6 x 17.8 cm Weight : 1.18 kg