Hardware
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Best NIC for OPNsense: Intel i226-V, i350, and 10G Picks
Why Intel i226-V, i350, and X520 NICs are the safe OPNsense picks on FreeBSD, where Realtek fits, and the iperf3 checks to run before you trust one.
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OPNsense on Raspberry Pi: What Actually Works
OPNsense ships amd64-only images, so it will not boot on a Raspberry Pi. Here is what the Pi can still do for your firewall, and what to buy instead.
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Best Hardware for OPNsense in 2026: Protectli and Mini-PCs
How to size CPU, NICs, and RAM for OPNsense in 2026, with picks across three tiers: fanless Protectli vaults, mini-PCs, and refurbished enterprise gear.