Banana Pi router boards for an IoT gateway: BPI-R3 vs BPI-R3 Mini vs BPI-R4 vs OpenWrt Onecomparison · unverified · All four are MediaTek Filogic boards aimed at OpenWrt. The OpenWrt One is the OpenWrt project's own board with an unbrickable NOR recovery system; the R3 Mini is compact with two 2.5GbE ports and a 5G slot; the R3 adds SFP and five gigabit ports; the R4 adds 10G SFP and Wi-Fi 7 via cards.