Axiomtek’s 3.5-inch “CAPA55R” SBC runs Linux or Win 10 on an 11th Gen U-series CPU and provides triple display support, GbE, 2.5GbE, SATA, USB 3.2 Gen2, and 3x M.2 slots.

Source: LXer – 3.5-inch Tiger Lake-U SBC offers triple M.2 slots