Fanless desigh with Intel® Celeron® Processor N4500 6W CPU Ultra compact PC design at only 0.67L (56.22x103x116.52mm) Intel ® 10 nano process microprocessor with small core CPU Support M.2 2280 slot for SSD (support PCI-e x2+SATA) Supports 2.5' HDD/SSD, 7.0/9.5 mm thick (1 x 6 Gbps SATA 3) 1 x SO-DIMM DDR4 slots support 2933MHz, Max 16GB Realtek 8111HS Gigabit LAN HDMI 2.0b support 4K@60P HDR10 MiniDP 1.4 support 4K@60P HBR2 Realtek ALC255 Codec 4 x USB 3.1 (1 x USB Type-C?) Headphone Jack Mic-phone Jack Support VESA AC-DC adapter: 100-240V input, 19V 65W * Barebone products do not include the operating system.