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VTRAKE310S-DUL 2U 3GB SAS RAID 12 SAS/SATA JBOD EXP With an eye on enterprise features at a price that even a small to medium businesses can afford, the Promise VTrak E-Class fundamentally changes storage economics from purchase and set up to operation and upgrades. With the VTrak E310s Promise has dramatically narrowed the gap between simple fault tolerance and No Single Point of Failure. The E310s incorporates an intelligent, enterprise level, cable-less system design, which includes fully redundant, hot-swappable controllers, power and cooling units, which are all field replaceable. All system components are constantly monitored to ensure continuous operation in case of disk failure or a controller, power supply, or cooling unit malfunction. Dual active-active, failover/failback RAID controllers provide redundant data paths to further help ensure availability. The VTrak E310s features an embedded management software, WebPAM PROe, that eliminates the need to install additional software on the network. All VTrak systems in your network can be configured and monitored through a single, easy-to-manage web-based graphic user interface. The software works through the VTrak system's Ethernet port - locally, across a LAN, or across an internet connection - to configure and monitor one or multiple VTrak system(s) and provide error reporting through pop-up messages, event logging, or email notification. In the event of a controller failure, Promise's management software will also seamlessly failover and failback. The VTrak family also simplifies integration with third-party management applications using industry-standard SNMP and CIM protocols.