ep2c621d16-4l

Hello, I have a "rather void of any information system" Asrock 4U36L2S-C621 - with a EP2C621D16-4L motherboard. I'm also in contact with Asrock support but I would really like to rack this server. I have a Intel Xeon Silver 4214, in it with 128GB of ram, two HBA cards and was expecting to use...