NetApp HCI H300E/H500E/H700E/410C compute nodes and H300S/H500S/H700S/410S storage nodes are delivered in 2U/4-node building blocks. Compute nodes and storage nodes can be mixed within the same chassis.
NetApp HCI H610S storage nodes are delivered in 1U building blocks.
NetApp HCI H610C compute nodes are delivered in 2U building blocks.
Denser nodes provide a smaller datacenter footprint where space is a concern. However, keep in mind that the footprint for other datacenter resources such as power and heat and cooling is not necessarily reduced in the same way and that the concentration of nodes can potentially pose other challenges.