Jellyfin Computer with ECC support

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Hi guys,

im planning on building my own jellyfin homeserver, and i would like to know what to look for in a cpu and motherboard, mainly in terms of ram-support and mobo features.

I want to use ECC Memory, but am at a loss what boards ACTUALLY support ecc functionality, not just ECC DIMM in non-ECC mode ( lookin at you Gigabyte)

Existing parts:

  • Inter-Tech IT-5905 Midi Tower
  • 500 Watt be quiet! System Power 9 CM Modular 80+ Bronze
  • LG Bluray RW
  • ASRock Intel Arc A380 Challenger ITX
  • Sata partiot burst 240GB SSD
  • OEM crucial pcie 3.0 x2 nvme 256GB
  • Ryzen 5 3600 / Ryzen 5 5600G

— Since i have 2 AM4 CPUs lying round itd be nice to have a am4 system, but if Intel is more compelling i will sell these off and get a Intel CPU+Mobo and supported Ram.

My picks based on a little research:

B550M Pro4 ASRock

is a pick id combine with

16GB (1x 16GB) Kingston KSM26ED8/16MR DDR4-2666 DIMM CL19 Single

Im really not sure about the Motherboard choice, and was hoping to get some input about what to look for in featues and connectivity, as this is my first “server/ homelab” build.

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Is there a specific reason you want ECC? Media server isn’t generally a use case for the extra cost of ECC.

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I heard that ECC is necessary to not have a creeping corruption of my library, is that really a risk?

I own normal corsair 2x8GB 2400mhz ddr4 and a b450 aorus elite v2 , if ecc isnt of concern i would just use those parts for the media server.

4

Filesystem with bit rot protection and checksumming is way more important than ECC, but ECC is recommended.

I wouldn’t replace old RAM with ECC RAM but would buy new stuff with ECC.

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ECC support on consumer platform is extremely hit or miss, unless you are willing to burn money by performing verification yourself.

This thread is good reference for both.

Also good reference how complex this area is.

Simplest check would be scanning MB tech specs + manual for explicit declaration of support for ECC UDIMM memory configs.

On AM5 only asus does it and it seems to work.

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I asked ASRock support if the B550M Pro4 supports ECC mode turned on.
It has 2 modules on the compatability list for Matisse that are unbuffered ECC Dimm ,
KSM26ED8/16ME is what id go for.

I will keep you guys posted what ASRock response is.

Now im curious if it has any grave downsides if i use ECC Ram in Single Rank( only 1 Dimm)

In therory a new am5 board on the lower end plus a R5 7600 and ECC might also be an option, but would going am5 have any differences compared to a running am4 ecc system?
The pricehike to enter am5 in addition to getting ecc ddr5 doesnt seem necessary.

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If that’s a supported DIMM configuration for the board, no problem. Never used only one DIMM because dual-channel bandwidth. But should be fine. And ECC has nothing to do with it.

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I got an answer from ASRock, this is what they said about combining my R5 3600 with the ASRock B550M Pro4 and ECC-Memory.

------Hello,
yes, ECC mode is also supported and used with this CPU/memory configuration.
The check it under Windows please open a command prompt as administrator.
There enter:
wmic memphysical get memoryerrorcorrection

Values it might return:
0 (0x0) Reserved
1 (0x1) Other
2 (0x2) Unknown
3 (0x3) None
4 (0x4) Parity
5 (0x5) Single-bit ECC
6 (0x6) Multi-bit ECC
7 (0x7) CRC

If 5 or 6 is returned then ECC is active.------

Since it even has 6 Sata ports on a mATX board, im quite happy with this, plus my 3600 already supports pcie 4.0, so my intel arc is in no way bottlenecked.

Well, except for the ? maybe existing? shortcomings of the ASROCK Challenger OC ARC A380 cards… but whatever it was like 30 bucks cheaper than other A380s , and encoding is not affected id figure.

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