Firefly has posted specs for an “ITX-3588J” Mini-ITX board with an octa-core -A76 and -A55 Rockchip RK3588, up to 32GB RAM and 128GB eMMC, 4x SATA, 3x HDMI, 2x GbE, PoE, 2x M.2, and PCIe Gen3.

Source: LXer – Firefly’s Mini-ITX features an RK3588, 32GB RAM, four SATA, and three HDMI