The Synology HD6500 is a high-density 4U rackmount NAS with 60 bays, built for large-scale enterprise backups and surveillance. Powered by dual Intel Xeon Silver 10-core CPUs and 64GB ECC RAM, it delivers sequential speeds over 6600 MB/s. This scalable unit features dual 10GbE ports, OOB management, and dual redundant 1600W power supplies. It supports up to 300 bays via expansion units, utilizing SAS multipath for maximum reliability. Running DSM, it includes High Availability and the Active Backup Suite, making it a robust centralized repository for massive data.