Yes, to meet varying workload and file type needs, the ECS Appliance is currently available in 3 types of predefined configurations with varying capacity: 1.       Unstructured Data Services Configurations •       Small = 360TB •       Medium = 1.4PB •       Large = 2.9PB 2.       Block Data Services Configurations •       Small = 120TB (12K IOPS) •       Medium = 240TB (24K IOPS) 3.       Mixed Workload Configurations: •       Small = 360TB (Unstructured Data Services) & 120TB (Block Data Services) •       Medium = 1.4PB (Unstructured Data Services) and 240TB (Block Data Services)  If you have any questions related to your specific needs, post them to the ViPR Community which is monitored by ECS product management and engineering for a quick response or contact your local EMC account team. For more information about EMC ECS Appliance, you might want to also check out the ECS Appliance Product Documentation Index on the ViPR Community.
Is ECS Appliance available preconfigured? What are the configurations currently available?
ECS Appliance Configurations