Everything in just 1-rack unit.
When it comes to a compact solution, RM1UROS11 is the best player to offer four of LFF Hot-Plug and two of SFF Internal drives in a 1U storage.
Included with two of 1Gbps ethernet interfaces for iSCSI and NAS protocols.
With an additional PCI-e I/O module, 10Gbps and FC is supported for better performance and SAS is supported for external JBODs up to 60 of LFF disks, giving you half Petabytes raw capacity.