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NAS Network Storage Synology RS3621XS+            Black
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Description

The RS3621XS+ from Synology is a high-performance NAS network storage solution designed specifically for business environments that demand reliability, scalability, and security. This model features an efficient 2U rackmount architecture, making it easy to integrate into professional server infrastructures. Equipped with an Intel Xeon D-1541 processor at 2.1 GHz, the device delivers high processing power, allowing simultaneous management of critical tasks for enterprises and SMEs. It comes with 8 GB of expandable DDR4 memory, optimizing multitasking operations and ensuring agile, stable data management, while its compatibility with both HDD and SSD drives enables volume configurations tailored to performance and storage needs. Its Ethernet LAN connectivity ensures secure and consistent data transfer within local networks, essential for consolidating and centralizing corporate files. The black chassis offers a professional, durable finish and includes functional details such as front and rear USB ports for easy access to external backups, as well as an accessible power on/off button. The 500 W power supply provides stable and efficient electricity, designed to keep the service running 24/7 with maximum reliability. This is an ideal solution for small and medium-sized businesses seeking to consolidate storage, ensure data integrity, and simplify information management in demanding network environments.



  • Type:
    • Rack
    • HDD/SSD
  • Product with plug: Yes
  • Type of plug: Plug EU
  • Connections:
    • USB-A 3.2
    • USB x 2
    • USB
    • RJ-45 x 6
  • Power supply: Electric Network
  • Colour: Black
  • Characteristics:
    • On/off interrupter
    • Idle states
  • Power: 500 W
  • RAM Memory: 8 GB RAM
  • Frequency:
    • 50 - 60 Hz
    • 2,7 GHz
  • Connectivity: Ethernet LAN
  • Voltage: 100 - 240 V
  • AC input frequency: 50-60 Hz
  • Memory Type: DDR4
  • Approx. diameter: Ø 80 cm
  • Built-in display: No
  • Technology:
    • VT-d
    • VT-x
    • Execute Disable Bit (XD Bit)
  • Nuclei: 8 Nuclei
  • Speed: 2.1 GHz
  • Processor Family:
    • Intel Xeon
    • Intel

Accelerate your business operations The 12-bay RS3621xs+ is capable of delivering over 238K 4K random read IOPS and 5,819 MB/s sequential read throughput1— a true enterprise powerhouse. With full power supply redundancy, an 8-core processor, ECC memory, advanced snapshot technology, and file self-healing, the RS3621xs+ provides a reliable foundation to any data-driven business. Storage you can trust The RS3621xs+ keeps your data protected while you concentrate on delivering the best results to your customers — even when disaster strikes. 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. Maximize service availability Synology High Availability (SHA) pairs two identical units together creating an active-passive cluster with minute-level failover. Next-generation file system Btrfs prevents data corruption and reduces maintenance overheads with advanced storage technologies and optimized snapshots. Tailored to your business The RS3621xs+ includes two PCIe slots for performance, networking, and storage upgrades enabling it to adapt to any business environment2. Double bandwidth Upgrade network bandwidth in minutes by 2x or more with Synology’s range of 10GbE NICs. SSD cache3 Boost read/write IOPS by up to 16 times by enabling SSD cache with our Synology M.2 NVMe adapter cards and SNV3500 SSDs or by installing one or more 2.5” SAT5200 SSDs. Storage expansion Quickly and easily scale up to 36 drives with two RX1217(RP) expansion units. Hyper Backup A comprehensive backup and recovery solution for securing data stored on Synology servers. Backup data locally, to another Synology device, rsync server, or cloud-based storage such as Google Drive, Dropbox, S3-compatible destinations, and Synology C2. Deduplication4, integrity checks, and incremental transfer technology reduce bandwidth and storage used. Snapshot Replication Easily schedule flexible point-in-time backups of shared folders and iSCSI LUNs with an RPO as low as 5 minutes and recovery in seconds. Set up replication and failover to other Synology storage systems for fast RTOs and minimal service disruption. Active Backup Suite Enables administrators to easily backup the entire IT infrastructure to their NAS, including Windows & Linux workstations and servers, file servers, VMware and Hyper-V virtual machines, and Microsoft 365 and Google Workspace accounts. Backups benefit from deduplication, multiversioning, and optimizations to reduce bandwidth and storage used. 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. Works best with Synology drives Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.


  • Storage drives installed: N
  • Number of storage drives supported: 12
  • Installed storage drive type: N
  • Supported storage drive types: HDD & SSD
  • Storage drive interface: Serial ATA II, Serial ATA III
  • RAID support: Y
  • Storage drive sizes supported: 2.5,3.5"
  • RAID levels: 5,6
  • Hot-swap drive bays: Y
  • Processor family: IntelÂź XeonÂź
  • Processor manufacturer: Intel
  • Processor model: D-1541
  • Processor frequency: 2.1 GHz
  • Processor boost frequency: 2.7 GHz
  • Processor cores: 8
  • CPU configuration (max): 1
  • Conflict-Free processor: Y
  • Internal memory: 8 GB
  • Internal memory type: DDR4
  • Maximum RAM supported: 64 GB
  • Memory slots: 4
  • Memory form factor: UDIMM
  • ECC: Y
  • Ethernet LAN: Y
  • Ethernet LAN data rate supported (max): 10000 Mbit/s
  • Wake-on-LAN ready: Y
  • Ethernet LAN (RJ-45) ports: 6
  • USB port: Y
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
  • PCI Express x8 (Gen 3.x) slots: 2
  • Chassis type: Rack (2U)
  • Cooling type: Active
  • Product colour: Black
  • Number of fans: 4 fan(s)
  • Fan diameter: 8 cm
  • Built-in display: N
  • Built-in speaker(s): N
  • Type: Storage server
  • Device class: Small & Medium Business
  • Backup function: Y
  • Noise level: 50.2 dB
  • On/off switch: Y
  • Power supply unit (PSU) capacity: 500 W
  • Number of power supply units: 1
  • Redundant power supply (RPS) support: Y
  • Power consumption (typical): 142.5 W
  • Power consumption (HDD standby): 72.76 W
  • AC input voltage: 100 - 240 V
  • AC input frequency: 50/60 Hz
  • Width: 482 mm
  • Depth: 724 mm
  • Height: 88 mm
  • Weight: 14.5 kg
  • Power cables quantity: 2
  • Embedded options available: N
  • Enhanced Intel SpeedStep Technology: Y
  • Execute Disable Bit: Y
  • Idle States: Y
  • Intel 64: Y
  • Intel Enhanced Halt State: Y
  • Intel Secure Key Technology version: 1.00
  • Intel Trusted Execution Technology: Y
  • Intel TSX-NI: Y
  • Intel TSX-NI version: 1.00
  • Intel Virtualization Technology (VT-x): Y
  • Intel Virtualization Technology for Directed I/O (VT-d): Y
  • Intel VT-x with Extended Page Tables (EPT): Y
  • Operating temperature (T-T): 0 - 35 °C
  • Operating relative humidity (H-H): 5 - 95%
  • Storage temperature (T-T): -20 - 60 °C
  • Certification: FCC CE BSMI VCCI RCM EAC CCC KC UL


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