RMC5285-A:
2U rackmount computer, 13th Gen Intel Core i CPU, standard ATX M/B, 1 x PCIe x16 Gen3 single slot + 1 x PCIe x8 Gen4 single slot, 800W 1+1 redundant PSU 80+ Platinum, 17.7" short-depth rack chassis.
RMC5285-B:
2U rackmount computer, 13th Gen Intel Core i CPU, standard ATX M/B, 1 x PCIe 5.0 x16 + 1 x PCIe 3.0 x4 + 2 x PCIe 3.0 x1 + 1 x PCIe 3.0 x16, 800W 1+1 redundant PSU 80+ Platinum, 17.7" short-depth rack chassis.