System Storage DS4200 Express Model 7V and EXP420 Storage Expansion Unit are members of the DS4000 series storage products that are designed to address the midrange and departmental storage requirements. These new SATA only disk models deliver high performance with advanced function and high availability for data archiving, reference data and near-line storage applications.DS4200 Express Model 7V comes in a compact, 3U rack-mountable enclosure that contains dual intelligent, high-performance RAID controllers. The Model 7V comes with 2 GB of cache memory (1 GB per controller) and accommodates up to 16 EV-DDMs for up to 8 TB internal physical storage capacity.
Connect the Model 7V to host servers and SAN fabric via its host ports, and connect to the EXP420 storage expansion units via its disk drive expansion ports. The Model 7V has four 4 Gbps Fiber Channel host ports and four 4 Gbps Fiber Channel drive ports. You must enable the Model 7V ports by populating them with 4 Gbps small form-factor pluggable (SFP) transceivers. Four shortwave 4 Gbps SFP transceivers are included with the Model 7V shipment group.