Synology Diskstation Ds218 2-bay 3.5" Diskless 1xgbe Nas (tower) (hmb), Realtek Rtd1296 Quad-core

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1.4GHz, 2GB RAM, 2xUSB3, 1xUSB2, 1 x 1GbE (RJ-45) DS218

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 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.

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.

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.

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Public Cloud Integration

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

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DSM UI

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

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Security

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

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Multimedia

Complete multimedia solution for management, streaming, and playback.

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  • 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 Specifications
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
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 24 TB (12 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
Copy Button
File System
Internal Drives EXT4
External Drives
  • 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 60W 
 
AC Input Power Voltage 100V to 240V 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) 
 
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
  • CCC
  • RCM
  • KC
Warranty 2 Years
Notes Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number 256
Maximum iSCSI Target Number 10
Maximum iSCSI LUN 10
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 Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 256
Maximum Shared Folder Sync Tasks 2
Maximum Concurrent CIFS/AFP/FTP Connections 200
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Log Center
Syslog Events per Second 400
Add-on Packages (learn more about the complete add-on package list)
Chat
Maximum Users 500
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.
Cloud Station Server
Maximum Number of Concurrently Connected Devices 200
Maximum Number of Synced Files (ext4) 100,000 / single file reaction time 632 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.
Download Station
Maximum Concurrent Download Tasks 80
Drive
Maximum Number of Synced Files 100,000 / single file reaction time 941 ms
Maximum Number of Concurrent Connections for PC Clients 200
Notes
  • The EXT4 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.
  • Non-encrypted shared folders were used during the aforementioned testing.
exFAT Access (optional)
Media Server
DLNA Compliance
Moments
Facial recognition
Subject recognition
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
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 (1920×1080) 
200 FPS @ 3M (2048x1536) 
150 FPS @ 5M (2591x1944) 
110 FPS @ 4K (3840x2160)
Total FPS (H.265)* 600 FPS @ 720p (1280x720) 
300 FPS @ 1080p (1920×1080) 
240 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944) 
180 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 240 FPS @ 720p (1280x720) 
200 FPS @ 1080p (1920×1080) 
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.
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 5
Environment & Packaging
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
Synology DiskStation DS218 is a high-performance and versatile 2-bay NAS designed for small offices and home users to effectively manage, protect, and share data. Its 64-bit quad-core processor delivers highspeed data transmission and 10-bit 4K H.265 video transcoding to empower shared data storage andmultimedia entertainment. Synology DS218 is backed by Synology's 2-year limited warranty. DS218 is also optimized for 10-bit 4K H.265 video transcoding via Video Station.
⚫Versatile 2-bay NAS for small offices and home users
⚫64-bit quad-core processor delivering sequential throughput at over 112 MB/s reading and 112 MB/s writing
⚫2 GB DDR4 memory, 4 times the capacity than its predecessor
⚫4K 10-bit H.265 video transcoding on the fly
⚫Running on Synology DiskStation Manager (DSM)
⚫Maximum IP cameras: 20 (total of 600 FPS at 720p, H.264) (includes two free camera licenses; additional cameras require the purchasing of additional licenses)
⚫2 year warranty
⚫VPN Server - Maximum Connections 5