The Talos II[1], which is a IBM POWER9-based machine. It's a bit more expensive than a standard Intel machine (~$2k for the whole prebuilt machine, a bit less f

The Talos II[1], which is a IBM POWER9-based machine. It's a bit more expensive than a standard Intel machine (~$2k for the whole prebuilt machine, a bit less for just the motherboard+CPU). Everything in it is free, including all of the firmware, and the CPU is an open specification. [1]: https://www.raptorcs.com/content/base/products.html https://www.raptorcs.com/content/base/products.html