Operating System: Windows Embedded POSReady 7 (Νot installed) Display: 15" TFT Touch Screen Resolution: 1024 x 768 Brightness: 300 cd/m2 Processors: Intel Core i5, i3 2nd Gen, Intel Pentium G850, Intel Celeron G540 Memory Support: Two (2) slots DDR3, Up to 16GB Hard Drive: Two (2) 2.5", 500 GB HDD , 64/128/256 GB SSD Expansion Slots: PCI-Express Half-MiniCard I/O Ports: Seven (7) USB 2.0 ports, 1 port used if CFD installed, 1 port used if VFD installed, 2 USB+PWR 12V ports, 1 USB+PWR 24V port, 1, RJ-12, Two (2) RS-232, RJ45, Audio I/O, Parallel, DVI-I, PS/2" Communications: Integrated Intel 82579LM Gigabit Ethernet Network Connection, Intel PRO 1000 CT Gigabit Ethernet Network Card Power: 180W Dimensions: 36.6 x 31.3 x 9.05 cm Weight: 6.25 kg