IBM® System Storage® DS3500 Express® combines best-of-breed development with leading 6 Gbps host interface and drive technology. With its simple, efficient and flexible approach to storage, the DS3500 Express is a cost-effective, fully integrated complement to IBM System x® servers, IBM BladeCenter® and IBM Power Systems™. By offering substantial improvements at a price that fits most budgets, the DS3500 Express delivers superior price/performance ratios, functionality, scalability and ease of use for the entry-level storage user. * Dual active, hot-swappable controllers * Four interface options—SAS, iSCSI/SAS, Fibre Channel/SAS * Four or eight 6 Gbps SAS ports * Eight 8 Gbps Fibre Channel ports and four 6 Gbps SAS ports * Eight 1 Gbps iSCSI ports and four 6 Gbps SAS ports * Four 10 Gbps iSCSI ports and four 6 Gbps SAS ports * Two 6 Gbps SAS drive expansion ports * Up to 192 drives—high-performance and nearline (native language) SAS, SSD and SED SAS drives * EXP3512 (2U 12 3.5-inch drives) and EXP3524 (2U 24 2.5-inch drives) enclosures