According to the technical brief below, there is PCIe Gen4, but I would like to know if NVIDIA A2000 will work in advance.
As maintained by the article below, the GPU board “NVIDIA A6000” can be added as an option, so I expect it to work without problems.
Technical brief
Article(in Japanese)
https://monoist.itmedia.co.jp/mn/articles/2111/10/news064.html