IBM System Storage EXP2500 Express (Data Sheet-USEN)
IBM System Storage EXP2500 is a 2U expansion unit available in two models. EXP2512 supports up to twelve 3.5-inch SAS drives. EXP2524 supports up to twenty-four 2.5-inch SAS drives. Both have redundant components and 6 Gbps SAS drive ports to help ensure high performance and availability.