Some SOHO networking devices made by Microtik, QNAP and Ubiquiti contain Arm SoCs made by AWS (Annapurna Labs), https://en.wikipedia.org/wiki/Annapurna_Labs
The venerable PC Engines APU2 is a fanless x86 AMD 10W TDP router with 4GB ECC RAM, TPM 2.0 and GPIO pins, open schematics and coreboot, which can run pfSense, OPNsense, OpenBSD, Linux, FreeBSD and OpenWRT, with virtualization support. Constrained by supply chain at present. mPCIe slots for WiFi, LTE & mSATA.
Ubiquiti ERLite-3 can run Linux and OpenBSD (octeon/MIPS).
There are some generic Intel-based small routers, https://www.servethehome.com/topton-intel-j4125-4x-i225-fanl...