Qsan for years has won many proven records in enterprise market. Now Trio NAS is aimed to bring the enterprise-class experiences & award-winning features into SMB & workgroup segments at competitive price, helping organizations to manage IT infrastructure at minimum efforts. Integration NAS & i SCSI SAN, Trio NAS U221 unified architecture help customers to solve many data management problems with a single system, making complex & fast growing storage needs much more manageable & affordable. Contains the WD Enterprise RE (RAID Edition) Hard Disk Drives The Hardware Overview Processor: Intel Xeon E3 Front-end: 2x 10 Gb E + 2 x Gb E ports Backend: Up to 12 SATA II / SATA III HDD or SSD Memory: 32GB ECC Form factor: 2U rack-mount with 12 hot-swappable SATA drive bays Design for Backup Trio NAS U221 features enterprise-class De Dup eliminating duplicate copies of redundant data so as to save storage capacity significantly, & thereby SMBs can optimize storage space utilization & save costs greatly. Plus Compression feature to encode information using fewer bits than original representation, storage capacity can be saved up to 90%.