Versatile NAS server for centralized file storage and real-time 4K H.265 video transcoding
Synology DS218 comes with a new 64-bit quad-core processor, delivering excellent data transfer speed, large storage volume management, and 10-bit 4K H.265 video transcoding on the fly.
CPU
Quad-core 1.4GHz
Memory
2GB DDR4
Performance
Over 112 MB/s and 112 MB/s sequential read and write
Capacity
Surpass 16TB per single volume
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, DS218 supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.
Synchronize files across your devices
Cloud Station Suite provides real-time data synchronization across all your devices and other Synology NAS. "Intelliversioning" keeps the most important file versions to better utilize storage space. Learn more
Cloud Station Sharesync
Cloud Station Drive
Cloud Station Server
DS Cloud
Easy backup solutions
Back up any computer or mobile device with Synology's comprehensive multi-versioning backup solution. You can protect your computer and NAS against malicious attacks including the rising encryption-based ransomware threats.
Easy file access with QuickConnect
Access files on your Synology NAS over the Internet without the hassle of setting up port forwarding rules, DDNS, or other complicated network settings. QuickConnect allows you to connect via a secure, customizable address, so that you can instantly access media and work files on any Internet-connected device with no additional charge.
4K Multimedia Server
Access and stream your favorite 4K content anywhere, anytime. DS218 supports 10-bit 4K H.265 online transcoding. With Video Station and DS video, you can convert and play 4K videos from any computer, mobile device, or other media players that don't support Ultra HD formats.
Powered by Synology DSM
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.
Learn more
Desktop Backup
Simplified backup solution for your Mac, PC, and mobile devices.
Learn more
Public Cloud Integration
Backup and synchronize data easily between your public cloud accounts and your NAS.
Learn more
DSM UI
Award-winning operating system with an intuitive user interface and powerful capabilities.
Learn more
Security
Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.
Learn more
Multimedia
Complete multimedia solution for management, streaming, and playback.
Learn more
1Status indicator
2LAN indicator
3Drive status indicator
4USB 2.0 port
5USB copy button
6Power button and indicator
7USB 3.0 port
8Reset button
91GbE RJ-45 port
10Power port
11Fan
12Kensington Security Slot
Hardware & Software Specs
| CPU |
CPU Model |
Realtek RTD1296 |
| |
CPU Architecture |
64-bit |
| |
CPU Frequency |
Quad Core 1.4 GHz |
| |
Hardware Encryption Engine |
|
| |
Hardware Transcoding Engine |
10-bit H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 60 |
| Memory |
System Memory |
2 GB DDR4 |
| |
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. |
| Storage |
Drive Bays |
2 |
| |
Compatible Drive Type* (See all supported drives) |
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD |
| |
Maximum Internal Raw Capacity |
32 TB (16 TB drive x 2) (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 single volume size is not directly related to the maximum raw capacity. (Learn more) |
| External Ports |
RJ-45 1GbE LAN Port |
1 |
| |
USB 2.0 Port |
1 |
| |
USB 3.0 Port |
2 |
| |
USB / SD Copy |
|
| 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) |
165 mm x 108 mm x 233.2 mm |
| |
Weight |
1.3 kg |
| Others |
System Fan |
92 mm x 92 mm x 1 pcs |
| |
Fan Speed Mode |
Full-Speed Mode
Cool Mode
Quiet Mode |
| |
Brightness Adjustable Front LED Indicators |
|
| |
Power Recovery |
|
| |
Noise Level* |
19.3 dB(A) |
| |
Scheduled Power On / Off |
|
| |
Wake on LAN / WAN |
|
| |
Power Supply Unit / Adapter |
60 W |
| |
AC Input Power Voltage |
100 V to 240 V AC |
| |
Power Frequency |
50/60 Hz, Single Phase |
| |
Power Consumption* |
14.99 W (Access)
5.78 W (HDD Hibernation) |
| |
British Thermal Unit |
51.15 BTU/hr (Access)
19.72 BTU/hr (HDD Hibernation) |
| |
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% |
| 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 |
EAC
CCC
RCM
KC
FCC
CE
BSMI |
| |
|
| |
Notes |
The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) |
| Environment |
RoHS Compliant |
| Packaging Content |
Main Unit X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 1
Quick Installation Guide X 1 |
| Optional Accessories |
Surveillance Device License Pack
VS360HD
VS960HD |
Software Specs
| DSM Specifications |
| Storage Management |
Maximum Internal Volume Number |
64 |
| |
Maximum iSCSI Target Number |
10 |
| |
Maximum iSCSI LUN |
10 |
| |
iSCSI LUN Clone/Snapshot, Windows ODX |
|
| |
SSD TRIM |
|
| |
Supported RAID Type |
Synology Hybrid RAID
Basic
JBOD
RAID 0
RAID 1 |
| |
RAID Migration |
Basic to RAID 1 |
| |
Volume Expansion with Larger HDDs |
Synology Hybrid RAID
RAID 1 |
| |
Volume Expansion by Adding a HDD |
Synology Hybrid RAID |
| File Services |
File Protocol |
CIFS/AFP/NFS/FTP/WebDAV |
| |
Maximum Concurrent CIFS/AFP/FTP Connections |
200 |
| |
Windows Access Control List (ACL) Integration |
|
| |
NFS Kerberos Authentication |
|
| Account & Shared Folder |
Maximum Local User Accounts |
2,048 |
| |
Maximum Local Groups |
256 |
| |
Maximum Shared Folder |
256 |
| |
Maximum Shared Folder Sync Tasks |
4 |
| Log Center |
Syslog Events per Second |
400 |
| 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 |
| Synology Chat |
Maximum Users |
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. |
| Cloud Station Server |
Recommended Number of Hosted Files |
100,000 |
| |
Recommended Number of Concurrent Sync Clients |
200 (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. |
| Download Station |
Maximum Concurrent Download Tasks |
80 |
| exFAT Access (Optional) |
|
| Media Server |
DLNA Compliance |
|
| Moments |
Facial Recognition |
|
| |
Subject Recognition |
|
| Snapshot Replication |
Maximum Snapshots per Shared Folder |
256 |
| |
Maximum of System Snapshots |
4,096 |
| Surveillance Station |
Maximum IP cam (Licenses required) |
20 (including 2 Free License) (See All Supported IP Cameras) |
| |
Total FPS (H.264)* |
600 FPS @ 720p (1280x720)
300 FPS @ 1080p (1920x1080)
200 FPS @ 3M (2048x1536)
150 FPS @ 5M (2591x1944)
110 FPS @ 4K (3840x2160) |
| |
Total FPS (H.265)* |
600 FPS @ 720p (1280x720)
300 FPS @ 1080p (1920x1080)
240 FPS @ 3M (2048x1536)
200 FPS @ 5M (2591x1944)
180 FPS @ 4K (3840x2160) |
| |
Total FPS (MJPEG)* |
240 FPS @ 720p (1280x720)
200 FPS @ 1080p (1920x1080)
130 FPS @ 3M (2048x1536)
80 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 |
Recommended Number of Hosted Files |
100,000 (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 |
200 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
| |
Notes |
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 |
Maximum Users |
200 |
| |
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.
Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM |
| Video Station |
Video Transcoding |
4K Group 3 (See more) |
| |
Maximum Transcoding Channel Number |
1 channel, 60 FPS @ 4K (4096 x 2160), H.265 (HEVC), 10-bit or
1 channel, 30 FPS @ 1080p (1920 × 1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 |
| VPN Server |
Maximum Connections |
20 |
