Most of my Non-NUC projects involve having a second wired LAN interface.

A work-from-home environment needs to be reliable and secure. Something less expensive than a netgate or Protectli box with built-in WiFi. Given the recent Ubiquiti compromise, I'm not using their USG until further notice.

• Secure and stable - pfSense is a reputable firewall
• Use my cellular LTE data as a second/backup WAN with a built-in wireless adapter - pfSense again does this seamlessly
• Two gigabit interfaces for LAN and WAN so I don't have to use a managed switch and trunking

The ZOTAC mini PC model https://www.zotac.com/us/product/mini_pcs/zbox-ci325-nano was used.

• Two gigabit wired interfaces (LAN and WAN)
• Integrated wireless (dual band AC 3165, 3165NGW, 801.11ac)
• Older CPU - Intel Celeron N3160 (quad-core 1.6GHz, up to 2.24GHz) 4 cores 4 threads
• 2.5“ SATA drive and two (2) DDR3L-1600 SO-DIMM RAM slots (16GB MAX)
• Has a fan

Setup

• WAN interface to cable modem
• LAN interface to network switch
• WAN2 wireless interface to Jetpack LTE data modem
• WAN_GROUP uses WAN and WAN2 for internet access, failing over on packet loss or high latency
• Ubiquiti Unifi wireless access points and CloudKey

While I can use a NUC configure and trunked interface to run a VoIP system, I wanted two interfaces: VoIP network and DMZ. The FreePBX platform is perfect for my needs.

The Qotom Mini PC Q220S-S02 came configured as I wanted:

• Intel Core i5 Processor, Dual core 1.7 GHz
• 8GB RAM
• 128GB SSD
• Dual LAN
• Fan
• Compares favorably to performance of freePBX appliances
• Does not have space to install two drives as RAID 1