Scalable quad-core 5-bay storage solution Outstanding reading throughput over 436 MB/s & writing throughput over 449 MB/s Encrypted throughput over 334 MB/s in reading & 269 MB/s in writing Four Gigabit (RJ-45) ports with failover & Link Aggregation support Scalable up to 15 drives with two DX517 expansion units Synology High Availability (SHA) allows for uninterrupted services with seamless transitioning between clustered servers Synology Disk Station DS1517 comes with a quad-core CPU, hardware encryption engine, four built-in Gigabit LAN ports, & is scalable up to 15 drives, providing a cost-effective storage solution for growing businesses. DS1517 is ideal for centralizing data backups, protecting critical assets, & sharing files across different platforms.