this post was submitted on 28 Aug 2023
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Self-hosted CM4 NAS - I have questions; sources, ideas and answers appreciated (sh.itjust.works)
submitted 2 years ago by LazerFX@sh.itjust.works to c/selfhosted@lemmy.world
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So I'm looking to build my own CM4-based NAS appliance. I figure that I've got the time to build it, and it'll be cheaper, more powerful and more capable than an off-the-shelf appliance (such as a QNAP or Synology device).

I'm looking to use it for self-hosting, probably 2 - 4 SSD's to run it (Happy to spend the money on the drives, as I can spread that out over time)... will likely start with a relatively cheap 2tib 2.5" SSD like the Crucial BX500 and scale up as I go...

I'd like a relatively neat box - something like the Argon EON. I'd like to use the CM4 because it's got the PCI-E so you can use a relatively full-speed ACPI interface to the SATA ports, which rules out the Argon EON (Except, possibly, as a donor case). I don't have a 3D Printer, but I'd be happy to purchase a printed model from a makers group or similar. I'm happy to actually build up a unit (setting up fans, etc.) but I've no soldering experience whatsoever.

Software-wise, I've already got a RPI4 which I've been playing around with... Seems pretty good, and I had pi-hole running on it for a while (until SD card unreliability took it down).

Does anyone have any experience with a build like this? Any advice on what cases to use, what hats for the PCIE-to-SATA work best? Anything at all, really, that you'd advise?

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[–] thepianistfroggollum@lemmynsfw.com 2 points 2 years ago* (last edited 2 years ago)

If you're going to be basing this on a pi4, I wouldn't spend the money on SSDs. The pi is going to be your bottleneck, not the drives.

The IO board only has a PCIe 2.0 x1 which has a max speed of 500MB/s.

You'd honestly be better off building an itx system or buying a cheap one and upgrading stuff like RAM. Hell, even a Beelink would be better than a pi