Built for large-scale enterprises and mission-critical workloads, the Synology RS3621RPxs combines high-speed performance, powerful compute capabilities, and future-ready scalability. With over 315,000 IOPS and up to 4,600 MB/s sequential read speeds, it ensures efficient data handling for virtual machines, databases, and file-intensive applications.
Powered by a 6-core Intel Xeon D-1531 processor and equipped with ECC memory, this 2U rackmount NAS guarantees data integrity and system reliability. Dual redundant power supplies, PCIe upgradability, and up to 36-drive scalability make it a trusted backbone for demanding environments across industries.
Key Features & Benefits
Intel Xeon D-1531 6-core CPU with 2.7 GHz Turbo for reliable multi-threaded compute performance in virtual environments and critical tasks
8GB ECC DDR4 RAM (expandable to 64GB) for data integrity during high-load operations like iSCSI targets or virtualization
Delivers 4,600 MB/s sequential read and over 315,000 random read IOPS for handling heavy database and file workloads
Dual redundant power supplies for uninterrupted service and failover protection during PSU failure
12 native drive bays, expandable up to 36 using RX1217/RX1217RP expansion units, enabling vast storage for backups, surveillance, and virtualization
4 x 1GbE LAN ports with PCIe slots available for 10GbE/25GbE or NVMe SSD cache card expansion
Supports major protocols and hypervisors including VMware, Windows Server 2022, OpenStack, and Citrix
Secure, scalable DSM software ecosystem with Snapshot Replication, Synology Drive, MailPlus, Synology Office, Surveillance Station, and Hybrid Share
Surveillance Station supports up to 75 IP cameras and 2,250 FPS with H.265 compression for enterprise-grade security systems
Built-in hardware encryption engine and full RAID support (RAID 0, 1, 5, 6, 10, JBOD, etc.) for data protection and performance balancing
Ideal Uses
Perfect for large-scale businesses running multiple VMs, hosting databases, or managing massive volumes of shared files
Ideal for IT departments seeking a high-availability NAS solution with failover and dual PSU redundancy for 24/7 operations
Suitable for large enterprises implementing secure, private mail servers and collaborative platforms using Synology Office or MailPlus
Powerful surveillance system backbone for corporate campuses or security firms, with support for over 70 IP cameras and detailed footage management
Specifications
Condition: device, never used. Original packaging opened for inspection
Processor: Intel Xeon D-1531, 6-Core, 2.2 GHz base / 2.7 GHz Turbo, 64-bit architecture
Memory: 8GB DDR4 ECC UDIMM preinstalled (1x8GB); Expandable to 64GB (4 slots total)
Drive Bays: 12 x 3.5"/2.5" SATA; Hot-swappable; Expandable up to 36 bays with 2 x RX1217/RX1217RP
Storage Type: SATA HDD / SSD supported
RAID Support: RAID 0, 1, 5, 6, 10, F1, JBOD, Basic
LAN Ports: 4 x RJ-45 1GbE
Expansion Slots: 2 x PCIe Gen 3 x8 for 10GbE, 25GbE, or M.2 NVMe SSD cache cards
USB Ports: 2 x USB 3.2 Gen 1
Expansion Ports: 2
Form Factor: 2U Rackmount 19" rack compatible (Synology RKS-02 rail kit supported, sold separately)
Cooling: 4 x 80mm fans
Power Supply: Dual 100-240V AC redundant PSUs; 50/60 Hz
Operating Temperature: 0°C to 35°C
Weight: 14.5 kg
Operating System: Synology DiskStation Manager (DSM)
Warranty: 12 Month Carry-in Warranty
What's in the Box: Synology RS3621RPxs NAS, Accessory Pack, 2 x Power Cords, Quick Installation Guide
