QNAP TS-EC880U-RP 8-Bay iSCSI NAS, 2U, SATA 6G, 4LAN, 10G-ready, Redundant PSU(TS-EC880U-RP) 3,700+ MB/s throughput and 400,000+ IOPS Two internal cache ports and up to 4 SSDs for caching Scalable design, up to 816TB raw capacity Virtualization-ready, centralized data storage, backup, sharing and disaster recovery Intel Xeon E3-1200 v3 3.4GHz Quad Core, 4GB (Max 32GB) DDR3 ECC RAM 3,700+ MB/s throughput and 400,000+ IOPS Two internal cache ports and up to 4 SSDs for caching Scalable design, up to 680TB raw capacity Virtualization-ready, centralized data storage, backup, sharing and disaster recovery