Easy installation and management with storage expansion technology designed for IBM System x® direct attachment via ServeRAID M5025 adapter. Next-generation 6 Gbps Serial Attached SCSI (SAS) host and drive interfaces enable infrastructure simplification. Support for flexible high-performance and nearline disk drive options. High capacity, with support for multiple enclosures per configuration. High-density 2U enclosure designed for supporting up to 12 3.5" disk drives on model EXP2512 Express and 24 2.5" disk drives on model EXP2524 Express. Highly available and reliable, with dual AC power supplies and fans.