News Intel CEO Pat Gelsinger visits Elon Musk’s Memphis data center, touts Xeon deployment — praises xAI team for building it “in such a short amount of...

According to serve the home's walk-through, the H100 nodes were supermicro, and while it's not said at that time, there is another sth article covering a prototype of that particular supermicro server and it used Intel Xeon.

In my mind, it's more impressive that Intel was chosen for the actual heavy lifting nodes.