The SCB-1821 is a 1U Rack-Mount networking system which is developed based on Intel® Xeon® E Family(Coffee Lake-S)/ 8th Core i7/i5/i3 processors. The SCB-1821 supports dual channel DDR4 Non-ECC, un-buffered DIMM (up to 2666MHz) and maximum memory capacity is up to 64GB. With 24 PCI Express lanes, the SCB-1821 can support up to 4 NIC modules, support multiple Ethernet module bays for flexible port configuration; such as 1/10/25/40 Gigabit fiber, Gigabit copper with BYPASS function or not. The maximum capable Ethernet port is up to 24 GbE ports.The strong IO elements of SCB-1821 include two management Ethernet ports, a console port, two USB 2.0 ports, a Graph LCD module with keypad (5 key), LEDs for power/ HDD/ 2 x GPIO. In addition, the SCB-1821 also supports one 2.5” or 3.5” SATA HDD/SSD, onboard one m SATA and CompactFlashTM Type II socket for basic network storage application.