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High performance and scalable NAS simplifies data management, optimizes virtualization environments for large scale businesses.
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
Ultimate Backup Solution
RS3618xs integrates various backup applications to safeguard your important data on any device with an intuitive user interface and durable storage technologies.
Active Backup for Server
An agentless backup solution protects 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
Safeguard your PC with Cloud Station Backup. Effortlessly back up data stored on macOS to 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
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
5 year warranty
Synology's 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 shipment of replacement units as early as the next business day in selected regions
CMS
Manage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency.
Snapshot Replication
Provides 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
Secure, reliable, and private mail server solution with an intuitive and modern mail client.
High Availability
Ensures seamless service transition between clustered servers in the event of a server failure.
Drive
A versatile solution for file management and synchronization.
Notes: Synology guarantees SRS response within the next business-day, and the actual shipping and turnover time is a "best-effort" based on replacement availability.
| Hardware Specifications | |
| CPU | |
| CPU Model | Intel Xeon D-1521 |
| CPU Architecture | 64-bit |
| CPU Frequency | Quad 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 | 8GB (1 x 8GB) |
| Total Memory Slots | 4 |
| Memory Expandable up to | 64 GB (16 GB x 4) |
| Storage | |
| Drive Bays | 12 |
| Maximum Drive Bays with Expansion Unit | 36 |
| Compatible Drive Type*(See all supported drives) |
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| Maximum Internal Raw Capacity | 144 TB (12 TB drive x 12) (Capacity may vary by RAID types) |
| Maximum Raw Capacity with Expansion Units | 432 TB (144 TB + 12 TB drive x 24) (Capacity may vary by RAID types) |
| Maximum Single Volume Size |
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| Hot Swappable Drive | |
| External Ports | |
| RJ-45 1GbE LAN Port | 4 (with Link Aggregation / Failover support) |
| USB 3.0 Port | 2 |
| Expansion Port | 2 |
| PCIe | |
| PCIe Expansion | 2 x Gen3 x8 slots (x8 link) |
| Add-in-card support | PCIe Network Interface Card(Learn more) |
| File System | |
| Internal Drives |
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| External Drives |
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| Notes | exFAT Access is purchased separately in Package Center. |
| Appearance | |
| Size (Height x Width x Depth) | 88 mm x 430.5 mm x 692 mm |
| Weight | 14.5 kg |
| Others | |
| System Fan | 80 mm x 80 mm x 4 pcs |
| Fan Speed Mode |
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| Easy Replacement System Fan | |
| Power Recovery | |
| Noise Level* | 50.2 dB(A) |
| Scheduled Power On/Off | |
| Wake on LAN/WAN | |
| Power Supply Unit / Adapter | 500W |
| 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) |
| Environment Temperature | |
| Operating Temperature | 5C to 35C (40F to 95F) |
| Storage Temperature | -20C to 60C (-5F to 140F) |
| Relative Humidity | 5% to 95% RH |
| Certification |
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| Warranty | 5 Years |
| Notes |
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| DSM Specifications( See more ) | |
| Storage Management | |
| Maximum Internal Volume Number | 1024 |
| Maximum iSCSI Target Number | 64 |
| Maximum iSCSI LUN | 512 |
| iSCSI LUN Clone/Snapshot, Windows ODX | |
| SSD Read/Write Cache(White Paper) | |
| SSD TRIM | |
| RAID Group | |
| Supported RAID Type |
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| RAID Migration |
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| Volume Expansion with Larger HDDs |
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| Volume Expansion by Adding a HDD |
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| Global Hot Spare Supported RAID Type |
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| File Sharing Capacity | |
| Maximum Local User Accounts | 16000 |
| Maximum Local Groups | 512 |
| Maximum Shared Folder | 512 |
| Maximum Shared Folder Sync Tasks | 16 |
| Maximum Concurrent CIFS/AFP/FTP Connections | 2048 |
| Windows Access Control List (ACL) Integration | |
| NFS Kerberos Authentication | |
| High Availability Manager | |
| Log Center | |
| Syslog Events per Second | 3000 |
| Virtualization | |
| VMware vSphere 6 with VAAI | |
| Windows Server 2012 | |
| Windows Server 2012 R2 | |
| Citrix Ready | |
| OpenStack | |
| Add-on Packages(learn more about the complete add-on package list) | |
| Antivirus by McAfee (Trial) | |
| Central Management System | |
| Chat | |
| Maximum Users | 4000 |
| Notes |
|
| Cloud Station Server | |
| Maximum Number of Concurrently Connected Devices | 2000 |
| Maximum Number of Concurrently Connected Devices (with RAM expansion) | 10000 |
| Maximum Number of Synced Files (btrfs) | 3,000,000 / single file reaction time 530 ms |
| Maximum Number of Synced Files (ext4) | 3,000,000 / single file reaction time 229 ms |
| Notes |
|
| Document Viewer | |
| Download Station | |
| Maximum Concurrent Download Tasks | 80 |
| Drive | |
| Maximum Number of Synced Files | 3,000,000 / single file reaction time 244 ms |
| Maximum Number of Concurrent Connections for PC Clients | 1800 |
| Notes |
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| exFAT Access (optional) | |
| MailPlus / MailPlus Server | |
| Free Email Accounts | 5(Licenses required for additional accounts) |
| Recommended MailPlus Client Number | Up to 400 (Btrfs) / 450 (EXT4) |
| Maximum Server Performance | 2,621,000 (Btrfs) / 2,412,000 (EXT4) emails per day, approx. 80 GB (Btrfs) / 73.6 GB (EXT4) |
| Notes |
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| Media Server | |
| DLNA Compliance | |
| Moments | |
| Facial recognition | |
| Subject recognition | |
| Office | |
| Maximum Users | 2800 |
| Notes |
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| PetaSpace | |
| Snapshot Replication | |
| Maximum Snapshots per Shared Folder | 1024 |
| Maximum Snapshots of all Shared Folder | 65536 |
| Surveillance Station | |
| Maximum IP cam (Licenses required) | 75 (including 2 Free License)(See All Supported IP Cameras) |
| Total FPS (H.264)* | 2250 FPS @ 720p (1280x720) 2100 FPS @ 1080p (19201080) 1500 FPS @ 3M (2048x1536) 900 FPS @ 5M (2591x1944) 550 FPS @ 4K (3840x2160) |
| Total FPS (H.265)* | 2250 FPS @ 720p (1280x720) 2250 FPS @ 1080p (19201080) 2250 FPS @ 3M (2048x1536) 1500 FPS @ 5M (2591x1944) 900 FPS @ 4K (3840x2160) |
| Total FPS (MJPEG)* | 720 FPS @ 720p (1280x720) 375 FPS @ 1080p (19201080) 250 FPS @ 3M (2048x1536) 180 FPS @ 5M (2591x1944) |
| Notes | Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera. |
| Video Station | |
| Video Transcoding | Group 1 - Type 1(See more) |
| Maximum Transcoding Channel Number | 1 channel, 30 FPS @ 1080p(19201080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 |
| Virtual Machine Manager | |
| Maximum Virtual DSM Number (Licenses required) | 8 (including 1 Free License)(Learn more) |
| Notes | Virtual Machine Manager is not supported on hosts running Synology High Availability. |
| VPN Server | |
| Maximum Connections | 30 |
| Environment & Packaging | |
| Environment | RoHS Compliant |
| Packaging Content |
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| Optional Accessories |
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