Mavh
The SER5MAX 6800’s memory specifications are SODIMM DDR4 3200Mhz, max 64GB (32GB per slot).The system disk is an M.2 PCIe 3.0 ×4 (2280) slot, max 2TB.
You can upgrade to 32GB RAM and a 1TB SSD.As long as it meets the specifications, there are no specific brand requirements; Intel, Samsung, Kingston, Crucial, etc., are all acceptable.