DS1618+

DiskStation DS1618+

High-performance and 6-bay NAS ideal for tackling multi-tasking challenges

User-oriented server with high-speed computing

DS1618+ is a 6-bay NAS that provides storage scalability perfect for tech enthusiasts and small- to medium-sized businesses by effortlessly handling workloads. Further boost storage performance with the optional M.2 SSD cache or enhance network speeds by adding a 10 GbE NIC.

CPU
Quad-core 2.1GHz

Ram options
4GB DDR4 SO-DIMM, expandable up to 32GB

High Performance
2,037 MB/s sequential reading

RAID type
More flexible in RAID configuration

Supercharge your storage with speedy performance

DS1618+ comes with a PCIe expansion slot to support add-in cards. Install a dual M.2 SSD card for high-IOPS system caching or a 10GbE NIC for ultra-fast data transmission.

M2D17

Dual M.2 SATA SSD slot, compatible with 2280/2260/2242 form factors

10GbE

10GbE network capacity for intensive bandwidth environments

Engineered for reliability, backed by Synology

DS1517+ is designed to reliably store your data and is backed by Synology's three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage.

Ultimate file management and sharing

File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operation without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and sharing of files with just a link. Supports SMB, FTP, AFP, NFS, WebDAV, compatible with any environment.

Real-time collaboration on your private cloud

Office is a collaboration package combining the convenience and usability of public clouds with the data privacy and security guaranteed by private clouds. It allows you to work seamlessly together on documents and spreadsheets in a protected environment. Real-time collaboration on the same online documents to boost productivity. Version control for you to navigate all the changes and retrieve previous versions with just a click. Instant communication on Synology Chat during the editing of documents or spreadsheets.

Ultimate Backup Solution

DS1618+ 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

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.

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 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 accelerates data recovery, providing more flexibility for businesses

 
Automatic file self-healing detects and recovers corrupted files without user intervention

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.

DSM UI

Award-winning operating system with an intuitive user interface and powerful capabilities.

Public Cloud Integration

Backup and synchronize data easily between your public cloud accounts and your NAS.

Surveillance Station

Complete surveillance solution for recording, monitoring, and management.

Cloud Station Suite

Synchronize cross-platform data automatically with file version control on all your devices.

Snapshot Replication

Provides schedulable and instantaneous data protection for shared folders and virtual machines on iSCSI LUNs in the event of disaster.

Security

Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.

Hardware Specifications  
CPU  
CPU Model Intel Atom C3538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)  
Memory  
System Memory 4 GB DDR4
Memory Module Pre-installed 4GB (1 x 4GB)
Total Memory Slots 2
Memory Expandable up to 32 GB (16 GB x 2)
Storage  
Drive Bays 6
Maximum Drive Bays with Expansion Unit 16
Compatible Drive Type* (See all supported drives) 3.5″ SATA HDD
  2.5″ SATA HDD
  2.5″ SATA SSD
   
Maximum Internal Raw Capacity 72 TB (12 TB drive x 6) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 192 TB (12 TB drive x 16) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive  
Notes “Compatible drive type” indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
  Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB or 200TB if upgraded to 32GB RAM or more.
   
External Ports  
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 3
eSATA Port 2
PCIe  
PCIe Expansion 1 x Gen3 x8 slot (black, x4 link)
Add-in-card support M2D17 – Dual M.2 SSD adapter card for SSD cache
  PCIe Network Interface Card (Learn more)
   
Notes DS1618+ with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
File System  
Internal Drives Btrfs
  EXT4
   
External Drives Btrfs
  EXT4
  EXT3
  FAT
  NTFS
  HFS+
  exFAT*
   
Notes exFAT Access is purchased separately in Package Center.
Appearance  
Size (Height x Width x Depth) 166 mm x 282 mm x 243 mm
Weight 5.05 kg
Others  
System Fan 92 mm x 92 mm x 2 pcs
Fan Speed Mode Full-Speed Mode
  Cool Mode
  Quiet Mode
   
Easy Replacement System Fan  
Brightness adjustable front LED indicators  
Power Recovery  
Noise Level* 23.7 dB(A)
Scheduled Power On/Off  
Wake on LAN/WAN  
Power Supply Unit / Adapter 250W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 56.86 W (Access)
  25.76 W (System Hibernation)
British Thermal Unit 194.01 BTU/hr (Access)
  87.9 BTU/hr (System Hibernation)
Environment Temperature  
Operating Temperature 0°C to 40°C (32°F to 104°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification FCC
  CE
  BSMI
  EAC
  VCCI
  CCC
  RCM
   
Warranty 3 Year Hardware Warranty, Extendable to 5 Year Coverage – EW201
Notes Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
   
DSM Specifications ( See more )  
Storage Management  
Maximum Internal Volume Number 512
Maximum iSCSI Target Number 32
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX  
SSD Read/Write Cache (White Paper)  
SSD TRIM  
Supported RAID Type Synology Hybrid RAID
  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 Synology Hybrid RAID
  RAID 1
  RAID 5
  RAID 6
   
Volume Expansion by Adding a HDD Synology Hybrid RAID
  RAID 5
  RAID 6
  JBOD
   
Global Hot Spare Supported RAID Type Synology Hybrid RAID
  RAID 1
  RAID 5
  RAID 6
  RAID 10
   
File Sharing Capacity  
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 1000
Windows Access Control List (ACL) Integration  
NFS Kerberos Authentication  
High Availability Manager  
Log Center  
Syslog Events per Second 800
Virtualization  
VMware vSphere 6 with VAAI  
Windows Server 2016  
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 1500
Notes The number of concurrent HTTP connections for Chat was configured to the maximum.
  CPU and RAM usage were both under 80% when the number of maximum users was reached.
  For tested models with expandable memory, the maximum amount of RAM was installed.
   
Cloud Station Server  
Maximum Number of Concurrently Connected Devices 1000
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Synced Files (btrfs) 1,000,000 / single file reaction time 747 ms
Maximum Number of Synced Files (ext4) 1,000,000 / single file reaction time 479 ms
Notes The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing.
  File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing.
  Non-encrypted shared folders were used during the aforementioned testing.
   
Document Viewer  
Download Station  
Maximum Concurrent Download Tasks 80
Drive  
Maximum Number of Synced Files 1,000,000 / single file reaction time 437 ms
Maximum Number of Concurrent Connections for PC Clients 550
Notes The Btrfs file system was used for the purpose of testing.
  The maximum number of concurrent connections refers to the maximum number of connections that could be maintained when the maximum number of synced files was reached.
  File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS.
  For tested models with expandable memory, the maximum amount of RAM was installed.
  Non-encrypted shared folders were used during the aforementioned testing.
   
exFAT Access (optional)  
MailPlus / MailPlus Server  
Free Email Accounts 5 (Licenses required for additional accounts)
Recommended MailPlus Client Number Up to 100 (Btrfs) / 100 (EXT4)
Maximum Server Performance 1,055,000 (Btrfs) /1,171,000 (EXT4) emails per day, approx. 32 GB (Btrfs) / 36 GB (EXT4)
Notes The CPU and RAM usages were both under 80% when testing recommended client numbers.
  For tested models with expandable memory, the maximum amount of RAM was installed.
  Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  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).
   
Media Server  
DLNA Compliance  
Moments  
Facial recognition  
Subject recognition  
Office  
Maximum Users 1800
Notes Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  CPU and RAM usage were both under 80% when the number of maximum users was reached.
  For tested models with expandable memory, the maximum amount of RAM was installed.
  Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
   
Snapshot Replication  
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station  
Maximum IP cam (Licenses required) 40 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 1200 FPS @ 720p (1280×720)
  960 FPS @ 1080p (1920×1080)
  520 FPS @ 3M (2048×1536)
  320 FPS @ 5M (2591×1944)
  240 FPS @ 4K (3840×2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280×720)
  1200 FPS @ 1080p (1920×1080)
  880 FPS @ 3M (2048×1536)
  520 FPS @ 5M (2591×1944)
  400 FPS @ 4K (3840×2160)
Total FPS (MJPEG)* 560 FPS @ 720p (1280×720)
  270 FPS @ 1080p (1920×1080)
  190 FPS @ 3M (2048×1536)
  110 FPS @ 5M (2591×1944)
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(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager  
Maximum Virtual DSM Number (Licenses required) 4 (including 1 Free License) (Learn more)
Notes Virtual Machine Manager is not supported on hosts running Synology High Availability.
VPN Server  
Maximum Connections 20
Environment & Packaging  
Environment RoHS Compliant
Packaging Content Main Unit X 1
  Accessory Pack X 1
  AC Power Cord X 1
  RJ-45 LAN Cable X 2
  Quick Installation Guide X 1