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Brand: Synology
Product Code: RS3618xs
Availability: 10
Weight: 14.50kg
Dimensions: 8.80cm x 48.20cm x 72.40cm

Synology 12bay NAS RackStation RS3618xs (Diskless), RS3618xs

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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.

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CPU
quad-core up to 2.7GHz 
 
icon memory
 
RAM options
8GB DDR4 ECC UDIMM, up to 64GB
 
icon network
 
Network
4 x 1GbE port, optional 10GbE NIC support
 
icon scalability
 
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.

 

5-year warranty

At Synology, we are committed to product innovation and quality. Synology guarantees a robust and reliable data management experience with a 5-year limited warranty, providing responsive technical support and hardware replacement services to maximize your return on investment.

Ultimate Backup Solution

RS3618xs integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.


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.

Microsoft 365  Google Workspace
 
 

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.

windows2019
 
vmware
 
citrix
 
openstack
 
Next-generation file system for better data protection
 
 
 
 
 

Powered by Synology DiskStation Manager

 

DSM Specifications
Maximum Single Volume Size
  • 1 PB (64 GB memory required, for RAID 6 groups only)
  • 200 TB (32 GB memory required)
  • 108 TB
  Maximum Internal Volume Number 128
  SSD Read/Write Cache (Determining cache size)  
  SSD TRIM  
  RAID Group  
  Supported RAID Type
  • RAID F1
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
  Volume Expansion with Larger HDDs
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  Volume Expansion by Adding a HDD
  • RAID F1
  • JBOD
  • RAID 5
  • RAID 6
  Global Hot Spare Supported RAID Type
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  Notes
  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.
  • When Peta Volume is enabled, validated services and packages are required. Please refer to this article for more information on limitations.
  • Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration.
  • Volumes over 108 TB require 32 GB of memory or more.
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.
File Protocol
  • SMB
  • AFP
  • NFS
  • FTP
  • WebDAV
  • Rsync
  Maximum Concurrent SMB/AFP/FTP Connections 2,000
  Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) 10,000
  Windows Access Control List (ACL) Integration  
  NFS Kerberos Authentication  
  Notes
  • Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
  • During testing, the maximum number of SSDs supported by this model is installed in a RAID 5 configuration.
  • The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.
Maximum Local User Accounts 16,000
  Maximum Local Groups 512
  Maximum Shared Folder 512
  Maximum Shared Folder Sync Tasks 32
Maximum Hybrid Share Folders 15
Folder and Package Backup  
  Entire System Backup  
  Notes Full-system backup requires DSM 7.2 or later.
Synology High Availability  
Syslog Events per Second 3,000
Virtualization
VMware ESXi 6.5 and VAAI  
  Windows Server 2012  
  Windows Server 2012 R2  
  Windows Server 2016  
  Windows Server 2019  
  Citrix Ready  
  OpenStack  
Supported Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
  Supported Browsers
  • Chrome
  • Firefox
  • Edge
  • Safari
  Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
  Notes For an updated list of supported browser versions, check the DSM Technical Specifications.
 
Suggested Users 500
  Notes Models with expandable memory are tested with their maximum supported memory.
Download Station
Maximum Concurrent Download Tasks 80
Maximum iSCSI Target Number 256
  Maximum LUN 512
  LUN Clone/Snapshot, Windows ODX  
  Notes iSCSI Manager has been renamed to SAN Manager in DSM 7.0.
Free Email Accounts 5 (Additional accounts require purchase of licenses)
  Suggested Users 2,500
  Notes
  • Suggested users is derived from testing in an environment with 20% heavy users (each with 20,000 pre-populated emails and receiving 240 emails per day) and 80% light users (each receiving an average of 20 emails per day). Learn more
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
  • Models with expandable memory are tested with their maximum supported memory. To estimate the RAM requirement for your NAS, please read this article.
DLNA Compliance  
Facial Recognition  
  Object Recognition  
Maximum Snapshots per Shared Folder 1,024
  Maximum of System Snapshots 65,536
Default Licenses (Additional cameras require purchase of licenses)
  Suggested Maximum IP Cameras and Total FPS (H.264)
  • 1080p: 75 channels, 2100 FPS
  • 3M: 75 channels, 1500 FPS
  • 5M: 75 channels, 900 FPS
  • 4K: 55 channels, 550 FPS
  Suggested Maximum IP Cameras and Total FPS (H.265)
  • 1080p: 75 channels, 2250 FPS
  • 3M: 75 channels, 2250 FPS
  • 5M: 75 channels, 1500 FPS
  • 4K: 75 channels, 900 FPS
  Notes
  • Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.
  • Use NVR Selector to quickly find a suitable model based on your requirements.
  • The number of streams that can be viewed simultaneously is twice the suggested maximum number of cameras. For example, if the suggested maximum number of cameras for a model is 10 under H.264, 1080p, the model can support up to 20 streams of the same specification at the same time.
Recommended Number of Concurrent Sync Clients 1,800 (the number of connections that can be maintained when the recommended number of hosted files was reached)
  Recommended Number of Hosted Files 50,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
  Notes
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Utilizing SSD cache can significantly improve performance.
  • Models with expandable memory are tested with their maximum supported memory.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Suggested Users 7,000
  Notes
  • Suggested users is derived from testing in an environment with 60% idle users (each logging in and viewing documents) and 40% active users (each executing random actions at intervals of 20 to 40 seconds) operating within documents, each document having 30 users. Learn more
  • Models with expandable memory are tested with their maximum supported memory.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Recommended Virtual Machine Instances (Learn more)
  Recommended Virtual DSM Number (Licenses required) 8 (including 1 Free License)
  Notes The specifications vary depending on system configuration and memory size.
Maximum Connections 60
NAS
CPU Architecture 64-bit
CPU Core 4
CPU Frequency 2.4 (base) / 2.7 (turbo) GHz
CPU Model Intel Xeon D-1521
CPU Quantity 1
Drive Bays 12
Expansion Port 2
Form Factor (RU) 2U
Hardware Encryption Engine Yes
Hot Swappable Drive Yes
Maximum Memory Capacity 64 GB (16 GB x 4)
Memory 8 GB DDR4 ECC UDIMM
PCIe Expansion 2 x Gen3 x8 slots (x8 link)
Power Supply Unit / Adapter 500 watts
RJ-45 1GbE LAN Port 4
System Fan 80 mm x 80 mm x 4 pcs
Total Memory Slots 4
USB 3.2 Gen 1 Port 2
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