The Synology RS3621xs+ is an advanced NAS network storage system designed for professional environments requiring high reliability, security, and performance. Equipped with a powerful Intel® Xeon® D-1541 8-core, 16-thread 2.1 GHz processor with Turbo Boost up to 2.7 GHz and AES-NI hardware encryption engine, it ensures optimal performance in both data transfer and encrypted operations. It features 8 GB UDIMM ECC DDR4 memory, expandable up to 64 GB, providing stable and efficient management of multiple concurrent tasks and demanding multitasking environments. Its black rackmount design allows flexible integration in data centers or robust IT infrastructures, supporting up to 12 SATA 3.5" or 2.5" HDD/SSD drives with hot-swapping and multiple advanced RAID configurations (RAID F1, 0, 1, 5, 6, 10, JBOD), facilitating scalable and secure management of large storage volumes. It also supports SATA SSD and NVMe M.2 caches to significantly boost read/write speeds. Regarding connectivity, the RS3621xs+ offers 4 Gigabit LAN ports and 2 10 GbE RJ-45 LAN ports for high-speed and redundant networking, along with 2 USB 3.2 Gen 1 ports for expansion and external device connection, plus PCIe 3.0 slots for additional cards such as network adapters or cache SSDs. Its 500 W redundant power supply and four high-efficiency fans ensure stability and reliability during continuous operation. The file system supports Btrfs and EXT4 for internal drives and a wide variety for external ones, enabling advanced snapshot management and data integrity. Compatibility with numerous network protocols (SMB, AFP, NFS, FTP, iSCSI, VPN, among others) ensures interoperability in mixed environments. Security features include firewall, shared folder encryption, secure transfers via SSL, TLS, and SSH, with robust access controls and authentication to protect sensitive data. With compact dimensions of 88 mm height, 482 mm width, and 724 mm depth and a weight of 14.5 kg, this NAS is designed for professional installations requiring reliable, secure, and scalable storage with advanced management and high-speed connectivity. The Synology RS3621xs+ is a comprehensive solution for businesses needing a solid network infrastructure with high performance and integrated security features.