This one's kinda weird, but I want to get rid of it and someone may find it interesting:
View attachment 38744
it's a Mellanox Bluefield 1 DPU in the form of an ATX motherboard, used in the BE1200 reference platform (basically intended as a demo of nvmeof). 16 arm64 cores, embedded connectx-5 network adapter with dual 100Gb ports, BMC, four RAM slots, standard power connection, two x16 pcie slots.
Product brief here. Runs cool, barely needs any airflow.
Sounds great, right? Well, nvidia has memory holed almost all information and software for it. I figured out how to install the OS and get things going, but couldn't ever get the pcie slots to work. The BMC software is incomplete and basically useless. The serial port does not seem to work. The many DIP switches are undocumented. The firmware was extremely hard to find and removed from nvidia's site after I found it. In short, it's a weak CPU connected to some emmc, a fast network adapter, and no other connectivity, no other storage, not even USB. I'm salty about how much time I spent messing with it and can't figure out any use for it.
Yours for the cost of shipping (continental US preferred). I can provide notes on generating/installing the OS images, it currently has a fresh ubuntu 20.04 install. I'll include some RAM. Not for the faint of heart!