Compute

Intel® Xeon® D-1531 6-core 2.2 GHz

Throughput

4,718 MB/s seq. read 189,098 4K random read IOPS

Expandability

Dual PCIe slots for 10GbE or NVMe cache

Scalability

Up to 36 drive bays with RX1217(RP)

Storage you can trust

Service continuity is at the core of the RS3621RPxs design.

Redundant power

Dual PSUs provide protection against a PSU failure or accidental cord removal while hot-swappable fans allow them to be replaced without powering down the system.

Near-zero downtime

Synology High Availability (SHA) pairs two identical units together creating an active-passive cluster with minute-level failover. Learn more

Next-generation file system

Btrfs prevents data corruption and reduces maintenance overheads with advanced storage technologies and optimized snapshots.

10GbE ready

Support for 10GbE NICs expands the throughput of the unit by up to 5x times using link aggregation.

SSD cache

Boost read/write IOPS by up to 16 times by enabling SSD cache via our Synology M.2 NVMe adapter cards and SNV3000 Series SSDs or by installing one or more 2.5” SAT5200 SSDs.

On-demand drive bays

Expand to 36 drive bays using two RX1217(RP) expansion units with minimal intervention.

Storage for virtualization

Synology iSCSI storage supports mainstream virtualization solutions with an easy management interface to enhance usability. VMware vSphere 6.5 and VAAI integration helps offload storage operations. Windows Offloaded Data Transfer (ODX) speeds up data transfer. OpenStack Cinder support turns your Synology NAS into a block-based storage component. Additionally, Synology Storage Console enables even more simplified storage provisioning and management options in VMware and Windows environments.

Complete surveillance solution

Synology Surveillance Station transforms the RS3621RPxs into a feature-packed Network Video Recorder solution. Support for up to 75 IP cameras5 and video analytics such as motion detection, no idle zone, foreign object detection, and anomaly detection cater to the most common surveillance scenarios

• Secure and private : AES-256 encryption adds additional security to the locally-stored footage.
• Access from anywhere, anytime : Access recordings and live streams whenever you want using a web browser, desktop client, or the DS cam mobile app.
• Real-time alerts : Email, SMS, or push notifications alert you when incidents occur or predefined conditions are met.

Works best with Synology drives

Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.

SATA 3.5” HDD HAT5300

NVMe M.2 SSD SNV3000

SATA 2.5” SSD SAT5200

Back up and synchronize data easily between public cloud accounts and your NAS.

Run various operating systems in isolated sandboxes. Seamlessly clone, store, and migrate virtual machines.

Instantly access your NAS files across multiple devices whenever you want, wherever you are.

Conveniently manage your fleet of Synology NAS from a centralized console.

Secure data with comprehensive built-in security tools to protect your devices against evolving threats.

Satisfy all team collaboration needs behind the safety of your own private cloud with Synology Office, Calendar, and Chat.

5-year warranty

At Synology, we are committed to product innovation and quality. The RS3621RPxs is backed by a 5-year limited warranty that includes technical support and hardware replacement services to maximize your return on investment

• 1 Power button and indicator
• 2 Alert Off Button
• 3 Drive tray
• 4 Drive status indicator
• 5 Power Port
• 6 PSU Indicators & Alert Off Buttons
• 7 PSU fan
• 8 Console port

• 9 1GbE/10GbE RJ-45 Ports
• 10 USB 3.2 Ports
• 11 Expansion port
• 12 PCIe expansion slot
• 13 Reset button