DiskStation DS1618+

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DiskStation DS1618+

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

Features
Specs

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.

Download Datasheet

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.

M2D18

Dual M.2 NVMe / SATA SSD slot, compatible with 2280/2260/2242 form factors
10GbE

10GbE network capacity for intensive bandwidth environments

M2D18 and 10GbE network adapter cards are sold separately.

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.

Ultimate Backup Solution

DS1618+ 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.
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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.
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Synology Drive

Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
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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.
Office 365 G Suite

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

Learn more about the benefits of using Btrfs

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.

Powered by Synology DSM

DSM UI

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

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Public Cloud Integration

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

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Surveillance Station

Complete surveillance solution for recording, monitoring, and management.

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Cloud Station Suite

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

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Snapshot Replication

Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.

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Security

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

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1 Status indicator
2 Alert indicator
3 Power button and indicator
4 LAN indicator

5 Drive status indicator
6 Drive tray
7 USB 3.0 port
8 Power port

9 Kensington Security Slot
10 eSATA port
11 Fan
12 1GbE RJ-45 port

13 PCIe expansion slot
14 Reset button
15 USB 3.0 port

Hardware Specs
Software Specs

Hardware Specifications
CPU
CPU	CPU Model	Intel Atom C3538
	CPU Architecture	64-bit
	CPU Frequency	Quad Core 2.1 GHz
	Hardware Encryption Engine (AES-NI)
Memory
Memory	System Memory	4 GB DDR4
	Memory Module Pre-installed	4 GB (4 GB x 1)
	Total Memory Slots	2
	Memory Expandable up to	32 GB (16 GB x 2)
	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.
Storage
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	96 TB (16 TB drive x 6) (Capacity may vary by RAID types)
	Maximum Raw Capacity with Expansion Units	256 TB (96 TB + 16 TB drive x 10) (Capacity may vary by RAID types)
	Maximum Single Volume Size*	200 TB (32 GB RAM required, for RAID 5 or RAID 6 groups only)
	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) Each internal volume (may consist of multiple drives) is expandble up to 108TB (with memory less than 32GB) or 200TB (with memory equal to or greater than 32GB).
External Ports
External Ports	RJ-45 1GbE LAN Port	4 (with Link Aggregation / Failover support)
	USB 3.0 Port	3
	eSATA Port	2
PCIe
PCIe	PCIe Expansion	1 x Gen3 x8 slot (black, x4 link)
	Add-In-Card Support	PCIe Network Interface Card (Learn more) M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache
File System
File System	Internal Drives	Btrfs EXT4
	External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+* HFS+ exFAT*
	Notes	exFAT Access is purchased separately in Package Center.
Appearance
Appearance	Size (Height x Width x Depth)	166 mm x 282 mm x 243 mm
	Weight	5.05 kg
Others
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	250 W
	AC Input Power Voltage	100 V to 240 V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption*	56.86 W (Access) 25.76 W (HDD Hibernation)
	British Thermal Unit	194.01 BTU/hr (Access) 87.9 BTU/hr (HDD Hibernation)
	Notes	Power consumption is measured when it's 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
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
Certification	FCC CE EAC BSMI VCCI CCC RCM KC
Warranty
Warranty	3 Years
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
Environment	RoHS Compliant
Packaging Content
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
Optional Accessories	D4NESO-2400-4G DDR4 non-ECC SO-DIMM* D4ECSO-2400-16G DDR4 ECC SO-DIMM* Surveillance Device License Pack Expansion Unit: DX517 X 2 Synology Ethernet Adapter E10G17-F2 Synology Ethernet Adapter E10G18-T1 Synology Ethernet Adapter E10G18-T2 Synology M2D18 M.2 SSD adapter card VS360HD VS960HD
	Notes	For more information on memory upgrade limitations, visit here. All memory modules will operate at the maximum frequency specified by the CPU manufacturer.

DSM Specifications
Storage Management
Storage Management	Maximum Internal Volume Number	64
	Maximum iSCSI Target Number	128
	Maximum iSCSI LUN	256
	iSCSI LUN Clone/Snapshot, Windows ODX
	SSD Read Cache
	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 RAID 10
	Volume Expansion by Adding a HDD	Synology Hybrid RAID JBOD RAID 5 RAID 6
	Global Hot Spare Supported RAID Type	Synology Hybrid RAID RAID 1 RAID 5 RAID 6 RAID 10
File Services
File Services	File Protocol	CIFS/AFP/NFS/FTP/WebDAV
	Maximum Concurrent CIFS/AFP/FTP Connections	1,000
	Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)	2,000
	Windows Access Control List (ACL) Integration
	NFS Kerberos Authentication
Account & Shared Folder
Account & Shared Folder	Maximum Local User Accounts	2,048
	Maximum Local Groups	256
	Maximum Shared Folder	512
	Maximum Shared Folder Sync Tasks	16
High Availability
High Availability	Synology High Availability
Log Center
Log Center
	Syslog Events per Second	800
Virtualization
Virtualization	VMware vSphere 6 with VAAI
	Windows Server 2016
	Citrix Ready
	OpenStack
General Specifications
General Specifications	Networking Protocols	SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
	Supported Browsers	Chrome Firefox Edge Internet Explorer 10 onwards Safari 10 onwards Safari (iOS 10 onwards) Chrome (Android 6.0 onwards)
	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
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)
Antivirus by McAfee (Trial)
Central Management System
Central Management System
Synology Chat
Synology Chat
	Maximum Users	1,500
	Notes	The number of concurrent HTTP connections for Synology 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
Cloud Station Server
	Recommended Number of Hosted Files	1,000,000
	Recommended Number of Concurrent Sync Clients	1,000 (the number of connections that can be maintained when the recommended number of hosted files was reached)
	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
Document Viewer
Download Station
Download Station
	Maximum Concurrent Download Tasks	80
exFAT Access (Optional)
exFAT Access (Optional)
Synology MailPlus / MailPlus Server
Synology MailPlus / MailPlus Server
	Free Email Accounts	5 (Licenses required for additional accounts)
	Maximum Number of Concurrent Users	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
Media Server
	DLNA Compliance
Moments
Moments
	Facial Recognition
	Subject Recognition
	Auto Color & Rotate
	Moments Select
Snapshot Replication
Snapshot Replication
	Maximum Snapshots per Shared Folder	1,024
	Maximum of System Snapshots	65,536
Surveillance Station
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 (1920x1080) 520 FPS @ 3M (2048x1536) 320 FPS @ 5M (2591x1944) 240 FPS @ 4K (3840x2160)
	Total FPS (H.265)*	1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920x1080) 880 FPS @ 3M (2048x1536) 520 FPS @ 5M (2591x1944) 400 FPS @ 4K (3840x2160)
	Total FPS (MJPEG)*	560 FPS @ 720p (1280x720) 270 FPS @ 1080p (1920x1080) 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.
Synology Drive
Synology Drive
	Recommended Number of Hosted Files	1,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
	Recommended Number of Concurrent Sync Clients	550 (the number of connections that can be maintained when the recommended number of hosted files was reached)
	Notes	For tested models with expandable memory, the maximum amount of RAM was installed. Exceeding the limits above may result in longer response time in file operations. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Synology Office
	Maximum Users	1,800
	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
Video Station
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
Virtual Machine Manager
	Recommended Virtual Machine Instances	4 (Learn more)
	Recommended Virtual DSM Number (Licenses required)	4 (including 1 Free License)
	Notes	The specifications vary depending on system configuration and memory size.
VPN Server
VPN Server
	Maximum Connections	30

Notes:

Model specifications are subject to change without prior notice.