With top-load architecture that facilitates servicing, SC946ED-R3KJBOD SuperStorage platform consists of 4U JBOD storage chassis that supports up to 90 hot-swappable 3.5 in., 8 TB HDDs to provide 720 TB of SAS3, 12 Gbps performance. Dual hot-swap expander modules, featuring 4x Mini-SAS HD ports, maximize throughput and failover redundancy. Other features include tool-less design and redundant 1,000 W (3+1) Titanium Level 96% efficient digital power supplies.