The IBM TotalStorage DS4800 disk system is designed to provide solutions to address the needs of midrange/departmental storage requirements and deliver high performance, advanced function, high availability, modular and scalable storage capacity, with SAN attached 4 Gbps Fibre Channel (FC) connectivity, and support for RAID levels 0, 1, 3, 5, and 10 up to over 67 terabytes (TB) physical capacity. The DS4800 is designed to deliver up to a two-fold IOP performance increase over the current DS4500 offering and represents the sixth-generation architecture of the DS4000 series family.