. There are 4 Controller options available for the Snap SAN S1000. Installation & management are simple & straight-forward with your choice of single or dual controllers; i SCSI Fibre Channel or SAS connectivity & the ability to scale to 120TB. The Snap SAN S1000 delivers the perfect balance of price performance availability & features to meet your businesss needs. The S1000 meets the critical needs for every business providing an affordable scalable & easy to manage solution without sacrificing performance or flexibility. Capabilities include Dual Controllers with active failover Flexible Connectivity (choose from i SCSI FC or SAS) Windows Integration (MPIO & VSS) Online Capacity Expansion Snapshots & Dive Spin-Down reducing power consumption..