IBM disk storage systems provide storage efficiency solutions such as Real-time Compression, virtualisation, and thin provisioning.
Storage Switzerland paper
See how Storwize V3700 addresses the SMB storage challenge
IBM Guarantees Real-time Compression
If you can't store 50% more data, IBM will make up the difference!
IDC analyst report
Storwize V7000 with Real-time Compression expands IBM's IT Optimisation lead
ITG cost/benefit case
Comparing Cost Structures with EMC Symmetrix VMAX and VNX for SAP Enterprise Deployments