Aggregate throughput of over 400 MB/s to hosts is provided through up to four 1 Gbps iSCSI Ethernet ports. These can be connected into a network or direct-connected as a simple and low-cost DAS configuration. (A Fibre Channel model is also available.) The disk enclosures are connected to the controllers via SAS wide-link connection for 24 Gbps bandwidth to each disk enclosure.

The system is fully redundant to protect against single-point-of-failure, with a battery backup unit for protecting the cache. Failed components are reported via alerts by either email or SNMP traps and in the management software.

Feature	D3i
Controllers	2 Active-Active
Host Interface	1 Gbps iSCSI
Host Ports	4 (2 per controller)
Capacity (max)	288 TB
Modules	1 to 12
Capacity per module	12 HDDs
HDD support	SAS, SATA , and SAS + SATA intermix
Cache	4 GB (2 GB per controller)
Cache Battery	24 hours standard; 72 hours with optional 1U battery backup unit
Supported OS	Windows Server® 2003 (x86, x64) Windows Server 2008 (x86, x64) Red Hat® Enterprise Linux VMware®