Dell Precision 7820 HDD troubles

I am having an issue with a newly bought Precision 7820. It came with no drives but it also came with only a single NVME carrier (no caddy for the drive itself) and the other 3 flex bays are empty. It also did not come with the other internal HDD carrier. Is there anything I can do in this scenario other than find replacement parts for one of these options? Worth noting I also can’t find a sata power cable although I haven’t looked too hard because I would like a more robust solution than just throwing drives into the case. Sorry if this isn’t the best place, it came up when trying to look into the issue.