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Is this overkill for an OPNsense machine? (alien.top)

submitted 2 years ago by belligerent_ox@alien.top to c/homelab@selfhosted.forum

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I want to build a mini-ITX OPNsense router. Here are my requirements:

The main OS is Proxmox (installed on the M.2) so that I can manage it as a node in a cluster
OPNsense is installed on the SATA SSD and is configured so that it can run as a VM within Proxmox or by itself as the boot drive (in case the M.2 dies or something idk lol)
A couple other network-based containers running on LXC containers within Proxmox (such as a redundant Pi-Hole in case I need to do maintenance on my other Pi-Hole VM on a different machine)

Is there anything you would do differently? This feels really expensive for a router (albeit a router that can do lots of cool shit).

The motherboard was chosen because it is the only mini-ITX board I can find with at a reasonable price point with dual-NICs, and I would have opted for a i3-7100T but the motherboard requires a BIOS update to support 7th gen Intel.

Also the whole PicoPSU thing rubs me the wrong way (looks like a fire waiting to happen), is it really the default solution for mini-ITX?

And finally, I will actually need to pick up a switch now that I'm not using my router's LAN ports, so what are people's thoughts on an SG200-18?

https://preview.redd.it/vu3zabw1f0xb1.png?width=900&format=png&auto=webp&s=adb0240a55de49e4eddc42f815b796d746321a23

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[–] auge2@alien.top 1 points 2 years ago (1 children)

If you are going the intel 35W cpu route, why don't you just grab an m720q or m920q?
Way cheaper, way smaller, less power consumption.
If you really like tinkering, you can fit a dualport 10Gbe NIC, a 2.5Gbe port, two NVMEs and one SATA SSD into that tiny m920q. Combined with 64Gb of RAM.

Grab a used one for cheap on ebay. Or a quad port Gigabit NIC instead the 10Gbe NIC.

[–] belligerent_ox@alien.top 1 points 2 years ago

I actually didn't know there was a PCI slot on those guys...time to crawl through Ebay again. Thanks!