This product is either discontinued or we cannot get that from suppliers.
Intel BKCMCM2FB1 Pro Chassis Element, Launch Date Q3'20, FF U-series Element Carrier Board, Internal Drive Form Factor M.2 SSD, Drives Supported 2, DC Input Voltage 12V~24V, Graphics Output Dual HDMI Out, Displays Supported 2, USB Ports 6, LAN Intel i219-LM GbE and Intel i211-AT GbE.
The Intel NUC Pro Chassis Element is a modular chassis built for an Intel NUC Compute Element. The chassis element offers the ports and performance for corporate and collaboration solutions.