Essentials Product Collection Intel NUC Chassis Elements Code Name Products formerly Austin Beach Supported Operating Systems OS Independent Board Form Factor U-series Element Carrier Board Internal Drive Form Factor M.2 SSD Number of Internal Drives Supported 2 TDP 15 W DC Input Voltage Supported 12V-24V Processor Graphics Graphics Output HDMI Expansion Options M.2 Card Slot (storage) 2280, 2242/80 M-key I/O Specifications Number of USB Ports 4 USB Configuration USB3.1g2: 1 front, 2 rear ports USB3.0: 1 header USB2.0: 1 front port and 2 headers (or 2 rear USB2.0 ports on CMCR1ABB) Serial Port via Internal Header Yes Integrated LAN Intel i219-LM GbE (2nd Intel LAN on CMCR1ABB) Additional Headers Front panel (PWR_SW, PWR_LED, RST, HDD_Act, 5V, 5Vsby, 3.3Vsby) Internal 2x2 power connector Item Dimension (L"xW"xH") 21 x 13 x 11