Operating System :HP ThinPro, HP Smart Zero Technology, Microsoft Windows Embedded Standard 7E, Windows? Embedded 8 Standard (64-bit) Chipset :N/A Processors : AMD GX-212JC 1.2GHz dual-core SOC Memory Support : DDR3L-1600 SODIMM SDRAM, Up to 8GB Hard Drive : M.2 Solid State Drive, Available Capacities 8GB, 16GB, 32GB, 64GB Removable Media :16 GB for configurations Expansion Bays :N/A Expansion Slots :N/A Graphics : AMD Radeon HD Graphics Audio :Internal amplified speaker, 1/8-inch mini jack out Communications :10/100/1000 Gigabit Ethernet I/O Ports :Front: Two (2) USB 3.0, Headphone/Mic, Rear: Four (4) USB 2.0, Two (2) DisplayPort 1.2, VGA, RJ45, Audio I/O Input Devices :Standard keyboard, Optical mouse included (USB) Power :65W worldwide auto-sensing 100-240 VAC 50-60Hz surge-tolerant power supply Dimensions : 4.51 x 20.00 x 20.01 cm Weight : 1.04 kg