Offering GBE, 64bit quad core, officially supported by Armbian and dirt cheap
https://www.armbian.com/orange-pi-zero-plus/
https://www.aliexpress.com/item/Orange-Pi-Zero-Plus-H5-Chip-Quad-Core-Open-source-Cortex-A53-512MB-development-board-beyond/32828347476.html?spm=a2g0o.cart.0.0.68e43c00J6oKjx
If you need even more power staying at low price, could accept the sacrifice in reliability and get a PCIe which is broken by design you can go for a H6 based board like OrangePi OnePlus. The H6 SoC is clocked with 1,8 GHz. All H6 boards are still in development stage and do not come with support.
I have two OPi 1+ running about since when they were released and besides the very first issues like not having ethernet working they now are working quite well for me.
J0s3f got a reaction from Werner in Reasonably priced board as VPN Server