Features: The C246 industrial motherboard delivers stability, specifically engineered for embedded 1U rack mounted servers efficiently. It features support for LGA1151 8th and 9th Gen processors, up to 64GB DDR4 memory, multiple PCIe slots for GPU and networking card expansions. Designed for IT professional and enterprises seeking reliabled hardware in industrial automation, data processing, and intelligent control. For intelligent manufacturing,networking security, ensuring dependable operating in critical environments. Compactly 1U form factor, this server motherboard provides excellent heat dissipation, easy installation in standard racks, and durability for continuous operating. Specifications: Motherboard size: 190mmx287mm Central processing unit: supports LGA11518, 9th generation CPU Memory: 2x260Pin DDR4 DIMM memory slots (up to 32G in a single slot, 2 slots totaling 64G, frequency by 2400/2666 CPU) Expansion slot: 1 PCIE X16 slot (pcieX8 transmission ); 1 PCIEX8 slot (PCIEX4 transmission) 2 nvme;1 Miniature PCIE 4Ghz/WIFI (shared slot, choose 1 from the two) 1 WIFI port ;1 5Ghz port Backplane interfaces: 4xUSB3.0; 8xRJ45 networking port can be expanded to 2 opt ports/4 opt ports/8 opt 10G SFP+ or Gigabit 1xRJ45 port (supports port redirection); 1xCMOS button Power supply: mainboard input DC12V-24V power supply, chassis AC110V-240V input Package Includes: 1set server motherboard note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution