As with all Dot Hill AssuredSAN storage systems, the AssuredSAN 4000 Series features energy-saving drive spin-down and patented technologies such as Dot Hill's SimulCache™ and EcoStor™ to help customers meet a growing set of environmental concerns. Dot Hill's EcoStor battery-free alternative for cache memory leverages a combination of super capacitors and flash memory that outlasts traditional batteries nearly fivefold. Benefits include lower maintenance and disposal costs and reduced server and application down-time due to scheduled battery replacement and maintenance.

Dot Hill's SimulCache technology leverages redundant RAID controllers, thus eliminating the performance degradation associated with conventional cache mirroring. The implementation of a high-speed dedicated PCI-Express bus streamlines write performance resulting in superior overall system responsiveness, driving faster application throughput. Dual-redundant RAID controllers, dual power supplies and dual fans bring uptime figures to 99.999 percent availability, so customers don't experience downtime or data loss.

Dot Hill storage solutions feature NEBS Level 3 and MIL STD 810F/G compliance and certifications to meet the most rugged requirements. The company's storage arrays are used extensively for ground stations, deployable command centers, and video archives where scalability, reliability, and redundancy are essential.

As with all Dot Hill AssuredSAN arrays, the AssuredSAN 4000 Series is easy to configure and manage via the RAIDar 2.0 intuitive web based interface which provides storage setup and monitoring without the need for host-based software. AssuredSAN users gain configuration and installation efficiencies via wizards and schedulers for snapshots and replication.

Availability

With four ports per controller for a total of eight ports per system, the Dot Hill AssuredSAN 4000 Series is available in a variety of configurations for 2.5-inch and 3.5-inch drives including:
  • 4724 and 4734 with 8Gb Fibre Channel controllers
  • 4524 and 4534 with SAS controllers
  • 4120/4130 compatible expansion units

A Fibre Channel solution with 12 2 TB drives is expected to start at under $30,000. The 4000 Series is expected to ship by the end of September 2012.

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