Gigabyte MJ11-EC1 EPYC 3151 Mystery

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Bingo600

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Sep 15, 2024
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fdaforno

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Sep 24, 2025
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Hello everyone.
I also bought the MJ11-EC1 board. I would like to install a SAS controller. I have read almost all the threads and I am quite confused. Based on your experience, would it be possible to create a table with the adapters that actually work and where to find them?
Thanks a thousand to anyone who has this information
 
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etorix

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Sep 28, 2021
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Reading the thread should have led you to this blog post by @hmartin which has the relevant information (and some more…) and pictures of working adapter boards:

Your use case does not require bifurcation, just a 8654-8i cable and a good adapter with a x8 (or x16) slot for the HBA.

Alternatively, consider a X10SDV-4C-TLN2F: Widely available on eBay at the moment, x16 slot; you only lose 2 SATA ports (not relevant with a HBA) and some niceties of the Gigabyte IPMI compared with the old (but already HTML5) Supermicro IPMI.
 
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fdaforno

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Sep 24, 2025
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etorix said:
Reading the thread should have led you to this blog post by @hmartin which has the relevant information (and some more…) and pictures of working adapter boards:

Your use case does not require bifurcation, just a 8654-8i cable and a good adapter with a x8 (or x16) slot for the HBA.

Alternatively, consider a X10SDV-4C-TLN2F: Widely available on eBay at the moment, x16 slot; you only lose 2 SATA ports (not relevant with a HBA) and some niceties of the Gigabyte IPMI compared with the old (but already HTML5) Supermicro IPMI.
Click to expand...

Love u ! thanks
 
hmartin

hmartin

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Sep 20, 2017
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etorix said:
Alternatively, consider a X10SDV-4C-TLN2F: Widely available on eBay at the moment
Click to expand...
The lowest price I can find for that board is 200€ (from China, so probably you still need to pay Duties/VAT).

It looks like the MJ11-EC1 is around 100€ now, not great, but not terrible. You can definitely do the SlimSAS to PCIe breakout for less than 100€, but I admit it won't be as compact or clean as the Xeon-D.

If you're considering multiple NVMe and can stomach 10W extra power consumption, I would recommend you look at the Viking U.2 to NVMe adapter mentioned on the forum, it should allow you to install 4 NVMe via the SlimSAS 4i port. Cost for that and a SlimSAS to U.2 adapter should be around 35€.
 
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etorix

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Sep 28, 2021
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hmartin said:
You can definitely do the SlimSAS to PCIe breakout for less than 100€, but I admit it won't be as compact or clean as the Xeon-D.
Click to expand...
I agree that the MJ11-EC1 hack will possibly come out cheaper, if shipping costs from multiple sellers do not add up to ruin the deal, but IMHO doing it all within the confines of a mini-ITX X10SDV board, with a passive adapter for 4 M.2 drives in the x16 PCIe slot, is well worth spending a little more.
 
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iPat8

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Aug 14, 2023
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Hi,

I happen to have acquired a G431-MM0 for a very reasonable price, and figured this thread would be best since you all seem to know a lot more about this board than I do.

I've installed 9x 1080TIs for a GPU encoding workload I'm planning. I'm aware there will be significant performance concerns with the 1x link, but for GPU encode that will be fine as the data transfer is nowhere near the limit of 1x. The problem I'm running into is that I can't seem to see any of the PCIe devices. I don't even see the PLX chip on the expander. I am able to see my NVMe drive and it boots from it without issue.

Welcome to any thoughts. Pictures attached for the love of the game.
http://imgur.com/OEkiQhJ
http://imgur.com/YILNgkq
http://imgur.com/mTVhcOi
 
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