Synology RackStation RS3618xs 12-Bay NAS Server

BH #SYRS3618XS • MFR #RS3618XS
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Synology RackStation RS3618xs 12-Bay NAS Server
Key Features
  • 12 x 3.5"/2.5" SATA Drive Bays
  • 2.4 GHz Intel Xeon D-1521 Quad-Core
  • 8GB of DDR4 ECC RAM (1 x 8GB, Max 64GB)
  • 4 x Gigabit Ethernet Ports
Well-suited for large-scale enterprises with demanding business applications, the RackStation RS3618xs 12-Bay NAS Server from Synology helps simplify data management, optimizes virtualization environments, and rapidly expands storage capacities. This unit has 12 drive bays, each of which natively supports 3.5" SATA hard drives, as well as 2.5" SATA hard drives and SSDs. Should users need to expand the overall capacity of their RS3618xs, the optional RX1217/RX1217RP expansion units offer an additional 12 drive bays, and two of these units are supported via an integrated expansion ports.
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Synology RS3618x External HDD/SSD Overview

Well-suited for large-scale enterprises with demanding business applications, the RackStation RS3618xs 12-Bay NAS Server from Synology helps simplify data management, optimizes virtualization environments, and rapidly expands storage capacities. This unit has 12 drive bays, each of which natively supports 3.5" SATA hard drives, as well as 2.5" SATA hard drives and SSDs. Should users need to expand the overall capacity of their RS3618xs, the optional RX1217/RX1217RP expansion units offer an additional 12 drive bays, and two of these units are supported via an integrated expansion ports.

The RackStation RS3618xs is powered by a 2.4 GHz Intel Xeon D-1521 Quad-Core processor, which will allow you to run multiple functions simultaneously. The built-in 8GB of DDR4 ECC RAM will allow quick access to frequently used files and programs and may also be upgraded to a total of 64GB by installing four 16GB modules into the available memory slots. Also featured are two USB 3.0 Type-A ports, which allow it to be connected to your Windows or Mac system. Network connectivity is achieved via the four Gigabit Ethernet ports with failover support, which help to provide redundancy in the case that a LAN connection malfunction occurs on one port. In addition, link aggregation, powered by four LAN ports, helps to increase connection speeds beyond the limits of a single network port or cable. If you're looking to expand this NAS, there are two PCIe Gen 3.0 x8/x8 slots that support a 10GbE NIC and the M2D18, a dual M.2 SATA SSD adapter card for creating an SSD cache .

The RackStation RS3618xs runs on the DiskStation Manager (DSM) operating system, which helps simplify managing your NAS, as well as accessing and sharing data. A variety of RAID modes are supported, which help provide users with data redundancy, speed, or a combination of both. Supported RAID modes include RAID 0, 1, 5, 6, 10, Basic, and Synology Hybrid RAID. For those who do not require a RAID, JBOD is also available, allowing each drive bay to be individually utilized.

Synology has engineered the RackStation RS3618xs to be energy efficient. Not only does it offer four 80 x 80mm fans to help keep the system running cool, the server supports numerous scheduled power on / off cycles and hard drive hibernation to further minimize power consumption and operation expenses. The RackStation RS3618xs operates on 100-240 VAC at 50/60 Hz and includes an accessory pack and an AC power cords. Protection is provided by a limited 5-year hardware warranty.

General Features
Ready for 10GbE and Beyond
Dual PCIe 3.0 slots allow for faster networking options as you expand your infrastructure. Together with the built-in quad Gigabit ports, the RS3618xs offers comprehensive connectivity options for link aggregation and failover configurations.
Backup Solution
The RS3618xs integrates various backup applications to help safeguard your important data on devices with an intuitive user interface and durable storage technologies.

Active Backup for Server
An agentless backup solution helps protect data from Windows and Linux servers through SMB and Rsync to minimize deployment and management costs.

Hyper Backup
Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.

Desktop Backup
Help safeguard your system with Cloud Station Backup and back up data stored on macOS to your Synology NAS with Time Machine.

Active Backup for Office 365/G Suite
On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.
Fully Certified Storage Virtualization Solutions
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.
Next-Generation File System for Improved Data Protection
The Btrfs file system introduces advanced storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools.

Flexible Shared Folder and User Quota System
Provides comprehensive quota control on all user accounts and shared folders.

Snapshot Replication
Provides schedulable and storage capacity-saving data protection with 1024 shared folder backups and 65,000 system-wide snapshots.

File- or Folder-Level Data Restoration Helps make data recovery user-friendly and flexible.

Automatic File Self-Healing
Detects and recovers corrupted files without user intervention.
Limited 5-Year Warranty
Synology's limited 5-year limited warranty provides hardware replacement and technical support via email and telephone services, maximizing your enterprises' return on investment.
Synology Replacement Service (SRS)
SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity.
Powered by Synology DSM
CMS
Manage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency.

Snapshot Replication
Helps provide schedulable and instantaneous data protection for shared folders and virtual machines on iSCSI LUNs in the event of disaster.

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

MailPlus
MailPlus is a secure, reliable, and private mail server solution with an intuitive and modern mail client.

Synology High Availability
Helps ensure smooth transitions between clustered servers in the event of server failures.

Drive
A versatile solution for file management and synchronization.
UPC: 846504003051

Synology RS3618x External HDD/SSD Specs

Key Specs
RAID
Yes: Supported RAID Modes: 0 / 1 / 5 / 6 / JBOD
Number of Bays
12x 2.5"/3.5" SATA III
Inputs/Outputs
4x RJ45 Gigabit Ethernet
2x USB-A 3.0 / 3.1/3.2 Gen 1
2x Infiniband
Computing
CPU
Quad-Core: Up to 2.4 GHz
Processor
Intel Xeon D-1521
GPU
No
Memory
8 GB ECC DDR4
RAM Configuration / Capacity
1x User-Replaceable 8 GB Module / 4 Slots Supporting up to 64 GB
Drives
RAID
Yes: Supported RAID Modes: 0 / 1 / 5 / 6 / JBOD
General
Number of Bays
12x 2.5"/3.5" SATA III
Inputs/Outputs
4x RJ45 Gigabit Ethernet
2x USB-A 3.0 / 3.1/3.2 Gen 1
2x Infiniband
Media Card Slots
No
PCI Expansion
2x PCIe 3.0
Networking
Link Aggregation and Failover Support
Yes
iSCSI Support
No
Software
OS Compatibility
Windows 7 to 10
macOS 10.11 or Later
Mobile App Compatible
Yes: Android & iOS
Security
Encryption
No
Security Features
No
VPN Connections
30 (Server)
Electrical
Input Power
100 to 240 VAC, 50 / 60 Hz
Power Consumption
142.76 W (Typical)
55.05 W (Standby)
PSU
1 x 500 W
Physical
Operating Conditions
41 to 95°F / 5 to 35°C at 5 to 95% Humidity
Storage Conditions
-4 to 140°F / -20 to 60°C
Cooling
4x 80 mm Fans
Noise Level
50.2 dBA
Dimensions
27.2 x 16.9 x 3.5" / 692 x 430.5 x 88 mm
Weight
32 lb / 14.5 kg
Packaging Info
Package Weight
40 lb
Box Dimensions (LxWxH)
33.5 x 24 x 9"

Synology RS3618x External HDD/SSD Reviews

The package has been received in one piece

By Jabulani Cox
Rated 5 out of 5
Date: 2025-09-17

package has been received. Thank you

Multi-use NAS & IP Camera excellence!

By Luis
Rated 5 out of 5
Date: 2020-02-25

For all our storage needs - this is the solution! Not only is it reliable, it's one-stop shopping for our NAS and IP camera needs. Cloud storage is the new kid on the block - but this is the O.G when you want your data and videos in-house. I highly recommend it or its other siblings of different capacities.

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