The DS3400 external storage enclosures are designed to be an easy scalable flexible and affordable solution for System x and BladeCenter servers. The DS3400 is a 4Gb external Fibre Channel storage solution that is easy to deploy and manage. Available in single and dual controller models the DS3400 scales in capacity to support a total of 48 hard disk drives by using the EXP3000 expansion unit. The DS3400 is a direct-attach and SAN solution for System x and BladeCenter servers and enables small and medium businesses manage their fast-growing data capacity requirements on an affordable budget. Primary InformationStorage Devicenbsp;:nbsp;nbsp;Hard drive arraynbsp;Cache Memory Installed Sizenbsp;:nbsp;nbsp;512 MBnbsp;DimensionsMiscellaneousWidthnbsp;:nbsp;nbsp;19 Inchnbsp;Depthnbsp;:nbsp;nbsp;20.5 Inchnbsp;Heightnbsp;:nbsp;nbsp;3.4 Inchnbsp;NetworkingEnclosure Typenbsp;:nbsp;nbsp;Rack-mountablenbsp;Storage ControllerStorage Controller Typenbsp;:nbsp;nbsp;RAIDnbsp;RAID Levelnbsp;:nbsp