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Synology DS3617xs NAS Disk Station, Diskless, 12-Bay; 16GB DDR4


Synology DS3617xs NAS Disk Station, Diskless, 12-Bay; 16GB DDR4

The DiskStation DS3617xs 12-Bay NAS Enclosure from Synology is designed for business environments in mind by offering 12 hot-swappable storage bays, an Intel Xeon CPU, 16GB of ECC RAM, and extensive redundancy features for protecting your data. The DiskStation DS3617xs comes with four failover Gigabit Ethernet ports with link-aggregation enabled as well as support for various RAID modes, so you can provide always-available data for your network. Once drives are installed into the enclosure’s bays, you can configure your drives in a JBOD, Basic, RAID 0, 1, 5, 6, or 10 arrays to meet the needs of your business.

For performance, the DiskStation DS3617xs sports an Intel Xeon D-1527 quad-core processor and 16GB of DDR4 ECC memory to run the DiskStation Manager operating system and multiple VMs smoothly. Each of the cores on the processor has a stock speed of 2.2 GHz and can operate at speeds of up to 2.7 GHz while running demanding apps. Other notable features include two USB 3.0 ports as well as two expansion ports for connecting sold separately DX1215 expansion units, allowing you to expand its storage capacity with up to 36 drives without disrupting service. There’s also an available PCIe 3.0 x8/x8 slot for adding an optional 10GbE adapter or M2D18 dual M.2 SATA SSD adapter card for an SSD cache.

Synology has provided apps along with support for advanced technologies to enhance the DiskStation DS3617xs’ capabilities. With Cloud Station, you can have your own private cloud to sync files across multiple devices. Another useful syncing feature is Synology High Availability (SHA) technology, which replicates data in real-time to another Synology NAS at a remote location, giving you peace of mind if one location has a fire or flood. Virtualization and iSCSI are also possible, enabling you to create multiple VMs while providing users with simulated locally-attached disks.


Equipped with an Intel Xeon-D quad-core processor, the DS3617xs delivers over 2,358 MB/s read speeds under a RAID 5 configuration with optional 10GbE and Link Aggregation enabled. Initially equipped with 16GB DDR4 ECC RAM (upgradable to 48GB), it ensures data accuracy when handling high-value data and mission-critical tasks.

Scale on Demand

The DS3617xs can be connected to one or two dedicated DX1215 expansion units, allowing you to expand storage capacity to up to 36 drives without disrupting service. The high-bandwidth cable ensures instant and lossless connections between the main server and the expansion units.

10GbE Upgradability

In addition to the four built-in Gigabit ports, the DS3617xs comes with a PCIe 3.0 x8 slot to support an optional 10GbE Network Interface Card (NIC), maximizing bandwidth and meeting high-performance requirements for data-intensive applications.


Synology’s DS3617xs comes with comprehensive redundancy mechanisms to ensure business continuity. Four built-in LAN ports with failover provide reliable redundancy in the event of an unexpected network failure. The high-reliability system design, including fanless CPU heat-sink and passive cooling technologies, prevents a single point of failure.

DiskStation Manager

Synology DiskStation Manager (DSM) is a browser-based operating system that makes managing your Synology NAS a breeze. Featuring an intuitive user interface, DSM makes accessing and sharing your data smarter and simpler. Synology’s Package Center lets you download and install useful add-on packages designed specifically for individual or business needs, meaning you can enjoy more entertainment in your life or better productivity at work.

Ready for Businesses

With the support of Windows AD, LDAP, and Domain Trust, the DS3617xs enables seamless account integration. The User Home feature can automatically create a “home” folder for every user account to minimize the administrator’s effort in repeatedly creating “home” folders for all accounts. Windows ACL support on DS3617xs allows IT, administrators, to fine-tune access controls and set up privileges to files and folders on DS3617xs through a familiar Windows user interface. With compatibility for major protocols, the DS3617xs can eliminate server configuration overhead and enhance IT administrators efficiency.

Data Protection

When dealing with large-scale data storage, businesses require a solution that offers reliable backup and prevents file corruption. With support for the Btrfs file system, the DS3617xs ensures information is stored with a high level of data integrity, while providing flexible and efficient data protection tools.


Snapshots preserve the history of a shared folder allowing you to save up to 1024 backup copies for point-in-time recovery. Snapshots can be automatically captured up to every 5 minutes, without noticeably impacting system performance.

Metadata Mirroring and Survivability

The btrfs file system stores two copies of critical metadata on a volume, improving the availability and ensuring the integrity of your file system.

Corruption Detection and Correction

Btrfs generates checksums for data and metadata and then verifies the checksums during each read process to ensure the integrity of the filesystem and files. If the file system discovers a mismatch, metadata will be repaired to keep the file system consistent. In the meantime, corrupted files will be reported and logged.

Customizable Quotas for Shared Folders

With Btrfs, you can specify a storage limit for each shared folder, making it possible to precisely control space consumption when multiple teams or departments save files on the same Synology NAS server.

Virtualization Environments

The DS3617xs provides seamless storage solutions for virtualization environments, including VMware, Citrix, and Microsoft Hyper-V. With VMware vSphere & VAAI integration, it helps offload specific storage operations and optimizes computation power in VMware environments. Windows ODX support speeds up data manipulation as the data transfer is offloaded. iSCSI also lets SMB users consolidate storage into data center storage arrays while providing hosts with the illusion of locally-attached disks.

Unified Storage System

Synology’s DS3617xs enables businesses to cost-effectively manage multi-protocol data by integrating file-level (NAS) and block-level (SAN) storage into one unified storage system. Files can be shared across Windows, Mac, and Linux platforms seamlessly with comprehensive network protocol support (CIFS/SMB, AFP, and NFS). The DS3617xs provides a cost-effective iSCSI solution, allowing large-scale businesses to consolidate storage into data center storage arrays. With thin provisioning available for file-level iSCSI LUN, you can maximize storage utilization by oversubscribing provisions and grow storage space as needed.

Protection with LUN Backup, Snapshot, and Clone

The DS3617xs enhance the ease of moving and copying data in a virtualized environment with LUN Snapshot, clone, and replication. Synology’s LUN Clone and LUN Snapshot only consume 1/1000 of the original size for optimizing storage usage. In addition, Synology’s LUN Snapshot lets you create up to 256 snapshots per LUN using point-in-time technology without having any impact on system performance. With better support to servers under VMware vSphere or Windows environment, IT managers can expect reliable VM status and data consistency through application-consistent snapshots.

Synology Central Management System (CMS)

For enterprises with more than one Synology NAS server, CMS offers the flexibility and convenience for IT, administrators, to manage all of them from a single point of entry. Through a simple interface, you can obtain a clear overview of resource consumption and logs, helping you identify any issue right away. With group policies, CMS can do much more for your daily tasks. Once a NAS joins a group, it will automatically adopt its rules and behave as intended, without extra configuration.

Increase Business Productivity with Cloud Solutions

With comprehensive cloud solutions, the DS3617xs lets you create your own private cloud easily. Cloud Station is a suitable package to sync files across multiple devices. Files can be edited in offline mode and later synced to Cloud Station, which keeps up to 32 historical versions, allowing you to restore a file back to the previous version or recover deleted files. With the mobile app DS cloud, any change made to a file is automatically synced to your smartphones and tablets. For distributed enterprises, Synology’s 2-way sync between different DiskStations ensures employees at different locations share the same information in real-time. IT administrators can handpick individual folders that they want to sync to different devices, manually or automatically based on file format and size. Folders synced by Cloud Station can be encrypted on DSM—no one will be able to access its content without your private key.

Ensuring Business Continuity and Reliability

The DS3617xs offers Synology High Availability (SHA) technology for combining an active and passive server into one cluster, the former always mirrored to the latter. Shared Folder Sync can replicate data in real-time to another Synology NAS at a remote location, giving your business the Recovery Time Objective (RTO) for prompt disaster recovery. With multiple LAN ports, the DS3617xs also ensures redundancy in the event of unexpected network failure.

Secure Data

This NAS enclosure offers advanced security measures to protect you from potential security holes. Security Advisor analyzes system settings, password strength, and network preferences and removes any possible malware. AppArmor blocks malicious programs from accessing unauthorized system resources. You can also customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered files. In addition, the DS3617xs provides other security add-ons, such as AES encryption, 2-Step verification, IP block & allow list, Antivirus packages, firewall, and DoS attack prevention.
Key Features
  • 12 x 2.5″/3.5″ Hot-Swappable Drive Bays
  • 2.2 GHz Intel Xeon D-1527 Quad-Core CPU
  • 16GB of DDR4 ECC RAM
  • 4 x Gigabit Ethernet Ports
  • 2 x USB 3.0 Ports, 2 x Expansion Ports
  • RAID 0, 1, 5, 6, 10, JBOD, Basic
  • Up to 2358 MB/s Read Speeds
  • PCIe 3.0 x8/x8 Slot
  • AES-NI Hardware Encryption Engine
  • Synology DiskStation Manager OS


Synology DS3617xs NAS Disk Station, Diskless, 12-Bay; 16GB DDR4

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SKU: DS3617xs Categories: , ,
Number of Bays 12 x 2.5″/3.5″
Media Card Slots None
Connections 4 x RJ45 (Gigabit Ethernet)
2 x USB Type-A (USB 3.1 / USB 3.2 Gen 1 (5 Gb/s))
Compatible Drive Interface SATA (Unspecified Version)
Form Factor Desktop
RAID Modes RAID 0, 1, 10, 5, 6, JBOD
Hot-Swap Support Yes
Expansion Slots 1 x PCIe 3.0 x8 (x8 mode)
Link Aggregation and Failover Support Yes
Wake on LAN Yes
Total Raw Capacity None
Type None
Flash Memory None
Processor Intel Xeon D-1527 Quad-Core
Clock Speed Base: 2.2 GHz / Maximum Boost: 2.7 GHz
Total Installed Memory 16 GB ECC DDR4
User-Replaceable Memory 2 x 8 GB
Total Memory Slots 4 x SO-DIMM
Maximum Memory Capacity 48 GB
Supported Protocols AFP
iSCSI Target 256
Max Cameras Supported 75
Max Concurrent Connections 10000
Max Folders 512
Max Groups 512
Max Sync Tasks 16
Max User Accounts 16000
Max Volume Number 128
File System Formats Supported External: Btrfs, EXT3, EXT4, FAT, HFS+, NTFS, exFAT
Internal: Btrfs, EXT4
Supported Browsers Chrome, Edge, Firefox, Internet Explorer, Safari
Supported Languages Brazilian Portuguese
Simplified Chinese
Traditional Chinese
Power Consumption 108.2 W (Typical)
53.4 W (Standby)
Power Source Internal Power Supply
PSU Wattage 1 x 500 W
AC Input Power 100 to 240 VAC, 50 / 60 Hz
VPN Server Connections 40
Operating Temperature 40 to 104°F / 4 to 40°C
Operating Humidity 5 to 95%
Storage Temperature -5 to 140°F / -21 to 60°C
Certifications BSMI, CE, FCC, RoHS, as per Manufacturer
Cooling 2 x 120 mm Fans
Noise Level 22.3 dBA
Status Monitoring LED Indicator
Dimensions 10.6 x 11.8 x 13.4″ / 270 x 300 x 340 mm
Weight 21.6 lb / 9.8 kg
Packaging Info
Package Weight 28.5 lb
Box Dimensions (LxWxH) 18.5 x 17.3 x 16.8″

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