Mellanox ConnectX-4 CX4121C firmware

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John T Davis

Active Member
Nov 19, 2022
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Hey, there. I'm back. :)

So, I've picked up a second one of these, and it once more arrived with the same Dell firmware on it--presumably because I got it from the same seller.

I'm getting ready to put it in a Proxmox 9 system, except this time, I'm using a Dell Precision 3660 tower.
So, it's got the Dell firmware and is going in a Dell office workstation, not a server.

I'd like to flash it to the latest NVIDIA/Mellanox firmware to enable full SR-IOV support, but is there some reason it should stay on the Dell firmware? I would assume the OEM firmware is for actual Dell servers, not overamped 12th gen Intel consumer pre-built systems (admittedly, ones using the W680 chipset and ECC RAM). But I've been wrong before. A lot.

What do y'all think?