HP provides several storage solutions including the P4000, 3PAR, X9000, and StoreOnce/D2D. The P4000 is a scale-out SAN optimized for server virtualization that offers features like thin provisioning, snapshots, and high availability. The 3PAR storage platform is designed for utility computing and reduces costs while improving storage management efficiency. The X9000 provides scale-out NAS for file serving workloads. StoreOnce/D2D offers scalable, efficient data deduplication and replication.