Tips for getting cheap used x86-based firewall with full Gbit NAT (a PC Engines APU) if you are in the US - Hardware Questions and Recommendations - OpenWrt Forum
PC Engines APU 1D | FreedomBox - Personal Server at Home
PC Engines apu cooling assembly
Comprehensive Guide to PC Engines APU2 - Part 1 (Hardware)
Sata cable for APU
Ropere - PC Engines APU.4D4 system board 4GB RAM | for your DIY projects
PC Engines APU2 - Recommended! - Hardware Questions and Recommendations - OpenWrt Forum
RackMatrix® technology - Complete kit RackMatrix M1 for PC Engines APU3 with 7 Ethernet ports
APU4D4 Combo Kit
Buy PC-Engines APU-2D4 Motherboard and get the best price!
PC Engines apu3a2 product file
PC Engines APU - Home router replacement - thomasvjames.com