B-series Director Switches

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	HP StorageWorks DC SAN Backbone Director	HP StorageWorks 4/256 SAN Director
Performance	8 Gbps	4 Gbps	Performance
Maximum Ports	384	384	Maximum Ports
Minimum Ports	16	16	Minimum Ports
Aggregate Switch Bandwidth	6 Tbps	Not Applicable	Aggregate Switch Bandwidth
Protocol Support	Fibre Channel, FCIP, FICON, FCoE ready, iSCSI ready	Fibre Channel, FCR, FCIP, iSCSI	Protocol Support
Blade Type Supported	Not applicable	Not applicable	Blade Type Supported
High Availability Features	Support “five nines” availability (i.e. 99.999%); Redundant hot swappable components; Redundant power and cooling subsystems; Automatic Control Processor failover, Non-disruptive “hot” software code loads and activation concurrent hardware upgrades	Support “five nines” availability (i.e. 99.999%); Redundant hot swappable components; Redundant power and cooling subsystems; Automatic Control Processor failover, Non-disruptive “hot” software code loads and activation concurrent hardware upgrades	High Availability Features


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