Synology RackStation RS3618xs 12 Bays SAN/NAS Storage

High-speed scalable storage server

Synology RS3618xs is a reliable, superior-performance network-attached storage solution for large-scale enterprises with demanding business applications. It simplifies data management, optimizes virtualization environments, and rapidly expands storage capacity with minimal time investment in setup and maintenance.

CPU

quad-core up to 2.7GHz

RAM options

8GB DDR4 ECC UDIMM, up to 64GB

Network

4 x 1GbE port, optional 10GbE NIC support

Scalability

Up to 36 drives with RX1217/RX1217RP

Ready for 10GbE and beyond

PCIe 3.0 slots allow for faster networking options as you expand your infrastructure. Together with the built-in quad Gigabit ports, RS3618xs offers comprehensive connectivity options for link aggregation and failover configurations.

Active Backup for Business

Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.

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.

Drive Package

Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.

Active Backup for Microsoft 365 / Google Workspace

Protect corporate data stored on the cloud. 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 better 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/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 1,024 shared folder backups and 65,000 system-wide snapshots
• File or folder level data restoration makes data recovery fast and flexible
• Automatic file self-healing detects and recovers corrupted files without user intervention

Powered by Synology DiskStation Manager

Central Management System

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

Snapshot Replication

Schedulable and instantaneous data protection of shared folders and iSCSI LUNs for quick disaster recovery.

Virtual Machine Manager

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

Synology MailPlus

Secure, reliable, and private mail server solution with an intuitive and modern mail client.

Synology High Availability

Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.

Synology Drive

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

Performance backed by Synology drives

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

Specifications

CPU · CPU Model · Intel Xeon D-1521

CPU Quantity · 1

CPU Architecture · 64-bit

CPU Frequency · 4-core 2.4 (base) / 2.7 (turbo) GHz

Hardware Encryption Engine (AES-NI) · ✓

Memory · System Memory · 8 GB DDR4 ECC UDIMM

Memory Module Pre-installed · 8 GB (8 GB x 1)

Total Memory Slots · 4

Maximum Memory Capacity · 64 GB (16 GB x 4)

Notes

• Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
• Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
• For more information on the recommended memory configurations, visit here.

Storage

Drive Bays

12

Maximum Drive Bays with Expansion Unit · 36 (RX1217/RX1217RP x 2)

Compatible Drive Type* (See all supported drives)

• 3.5" SATA HDD
• 2.5" SATA HDD
• 2.5" SATA SSD

Hot Swappable Drive* · ✓

Notes · "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.

External Ports

RJ-45 1GbE LAN Port

4 (with Link Aggregation / Failover support)

USB 3.2 Gen 1 Port* · 2

Expansion Port · 2

Notes · The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.

PCIe

PCIe Expansion

2 x Gen3 x8 slots (x8 link)

File System

Internal Drives

• Btrfs
• EXT4

External Drives

• Btrfs
• EXT4
• EXT3
• FAT
• NTFS
• HFS+
• exFAT

Notes · exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.

Appearance

Form Factor (RU)

2U

Size (Height x Width x Depth) · 88 mm x 482 mm x 724 mm

Weight · 14.5 kg

Rack Installation Support* · 4-post 19" rack (Synology Rail Kit - RKS-02)

Notes · The rail kit is sold separately

Others

System Fan

80 mm x 80 mm x 4 pcs

Fan Speed Mode

• Full-Speed Mode
• Cool Mode
• Quiet Mode

Easy Replacement System Fan · ✓

Power Recovery · ✓

Noise Level* · 50.2 dB(A)

Scheduled Power On / Off · ✓

Wake on LAN / WAN · ✓

Power Supply Unit / Adapter · 500 W

AC Input Power Voltage · 100V to 240V AC

Power Frequency · 50/60 Hz, Single Phase

Power Consumption

142.76 W (Access)
55.05 W (HDD Hibernation)

British Thermal Unit

487.12 BTU/hr (Access)
187.84 BTU/hr (HDD Hibernation)

Notes

• Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
• Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%

Temperature

Operating Temperature

5°C to 35°C (40°F to 95°F)

Storage Temperature · -20°C to 60°C (-5°F to 140°F)

Relative Humidity · 5% to 95% RH

Certification

• FCC
• CE
• BSMI
• EAC
• CCC
• KC
• VCCI
• RCM

Warranty

5 Years

Notes · The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

RoHS Compliant

Packaging Content

• Main Unit X 1
• Accessory Pack X 1
• AC Power Cord X 1
• Quick Installation Guide X 1