The IBM System Storage DS5020 disk system, IBM's midrange disk storage offering, is designed to deliver high performance, advanced function, high availability, and modular and scalable storage capacity.The DS5020 supports RAID levels 0, 1, 3, 5, 6, and 10, with scalable capacity of up to 112 TB physical storage capacity. The DS5020 has SAN-attached 8 Gbps FC host connectivity, as well as features to add 1GbE iSCSI host connections for flexibility in host connectivity and encryption-capable Fiber Channel disk drives for applications that require additional data security.