Synology DiskStation DS1618+ 6-Bay NAS Server, Quad Core (DS1618+)
  • Synology DS1618+ (Main)
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  • Synology DS1618+ (Right)
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  • Synology DS1618+ (Left)
  • Synology DS1618+ (Top)
  • Synology DS1618+
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  • Synology DS1618+ (Alternate-Image1)
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Product was discontinued 1 Sep 21

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Overview

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.

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.

Ultimate file management and sharing

File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS1618+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.

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.

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.
Learn more

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.
Learn more

Desktop Backup 

Safeguard your PC with Cloud Station Backup. Effortlessly back up data stored on macOS to Synology NAS with Time Machine.
Learn more

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.

Btrfs: Next generation storage efficiency

Btrfs file system introduces the most advanced storage technologies to meet the management needs of modern large scale businesses:

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

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.

Features

Specs

Operating system

Operating system
DiskStation Manager

Processor & chipset

Processor speed
2.10 GHz
Processor vendor
Intel
Processor
Atom
Processor cores
Quad-core (4 Core)
Processor model
C3538

Memory

Memory (standard)
4 GB
Memory technology
DDR4 SDRAM

Storage

Controller type
Serial ATA
Disks installed (HDD)
No
Disks installed (SSD)
No
Max disks
6
Max supported disks (HDD)
6
Max supported disks (SSD)
6
RAID
Yes
RAID levels
0, 1, 5, 6, 10, Basic, Hybrid RAID, JBOD

Display & graphics

Display depth
243 mm
Display height
166 mm
Display width
282 mm

Ports & expansion

Total expansion bays
6

Networking & connectivity

Ethernet
Yes
Ethernet technology
Gigabit Ethernet

Exterior & appearance

Form factor
Desktop
USB 3.0 ports
3
USB ports
3

Environment & regulatory

Eco friendly
Eco friendly

Packaging

Package quantity
1

Product info

Brand
Synology
Product line
DiskStation
Product name
DiskStation DS1618+ SAN/NAS Storage System
Product model
DS1618+
Product series
+
Product type
SAN/NAS Storage System
Vendor
Synology, Inc
Vendor code
DS1618+
Vendor site

Service & support

Supported protocols
AFP, CIFS, DLNA, FTP, iSCSI, Kerberos, NFS
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 84 TB (14 TB drive x 6) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 224 TB (84 TB + 14 TB drive x 10) (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 SATA SSD adapter card for SSD cache
  • M2D18 - Dual M.2 SATA/NVMe 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
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 128
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
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2000
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 Hosted Files (btrfs) 1,000,000
Maximum Number of Hosted Files (ext4) 1,000,000
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. 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 Hosted Files 1,000,000
Maximum Number of Concurrent Connections for PC Clients 550
Notes
  • The Btrfs file system was used for the purpose of testing.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts 5 (Licenses required for additional accounts)
Maximum number of concurrent users Up to 150
Maximum Server Performance 1,484,000 emails per day, approx. 45GB
Notes
  • The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
  • 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 of system snapshots 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 (1280x720) 
960 FPS @ 1080p (1920×1080) 
520 FPS @ 3M (2048x1536) 
320 FPS @ 5M (2591x1944) 
240 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720) 
1200 FPS @ 1080p (1920×1080) 
880 FPS @ 3M (2048x1536) 
520 FPS @ 5M (2591x1944) 
400 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 560 FPS @ 720p (1280x720) 
270 FPS @ 1080p (1920×1080) 
190 FPS @ 3M (2048x1536) 
110 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(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Recommended Virtual Machine Instances 4 (Learn more)
Recommended Virtual DSM Number(Licenses required) 4 (including 1 Free License)
Notes
  • Virtual Machine Manager is not supported on hosts running Synology High Availability.
  • The specifications vary depending on system configuration and memory size.
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
Optional Accessories
  • Surveillance Device License Pack
  • D4NS2133-4G
  • RAMEC2133DDR4SO-16G DDR4 ECC SO-DIMM
  • Expansion Unit: DX517 X 2
  • VS360HD
  • VS960HD
  • Synology Ethernet Adapter E10G18-T1
  • Synology Ethernet Adapter E10G18-T2
  • Synology Ethernet Adapter E10G17-F2
  • Synology M2D18 M.2 SSD adapter card
Notes Mixed usage of non-ECC and ECC UDIMMs is not supported.

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