The standalone DDP series consists of the DDP12D, DDP16D, DDP24D, DDP48D and DDP48DF base systems. The standalone DDPs are modular Ethernet SAN Shared Storage Servers (2U, 3U, 4U and 8U) in a box with built in metadata controller. Enterprise HD and SSD packs can be configured in Raid 5 or 6.
The High Availability (HA) DDP series are modular Ethernet SAN DDPs. They consist of a 2U, dual DDP Head and one or more DDPEXR storage arrays connected to the ethernet network via the EXRAID.