Scale-out network storage solution: controller unit with 12 internal HDDs with up to 192 HDDs via state-of-the-art SAS interface-connected expansion units Configurable hardware-based RAID protection (RAID-5 or RAID-6) for highest system performance Redundant hot-swappable power supplies and cooling fans Two 10 Gigabit Ethernet ports for highest speed iSCSI connectivity Fully modular design for ease of service DSA E-Series represents the next generation of iSCSI digital video disk arrays by Bosch. They are state-of- the-art platforms designed for the security industries most demanding digital video storage applications to manage relentlessly growing digital video data. Since HD IP cameras and encoders have entered the surveillance market, the ever growing need for high bandwidth and low complexity of the storage infrastructure are the main challenges. The new DSA E-Series is the answer to it. The DSA E-Series' disk shelf option with a standard 2U expansion unit with 12 x 3.5", 7.2 K, SAS, enterprise HDD and a high-density 4U expansion unit with 60 x 3.5", 7.2 K, SAS, enterprise HDD enable custom configurations that can be optimized for any environment. And the DSA E-Series' fully redundant I/O paths, advanced protection features, and extensive diagnostic capabilities deliver high levels of availability, integrity, and security.