7U rack-optimized chassisUp to six blade server baysUp to 12 SAS, Nearline SAS or SATA or an intermix of the disks3.5-inch Disk Storage Module provides up to six 3.5-inch SAS, Nearline SAS or SATA, or an intermix of the disks2.5-inch Disk Storage Module provides up to twelve 2.5-inch SAS HDDsHot-swap and redundant switch modules supporting SAS, Gigabit Ethernet and Fibre Channel optionsUp to four hot-swap and redundant load-balancing power supply modulesHigh-availability midplane helps enable increased uptime and investment protection for future technologies