Synology DS218 DiskStation 2-bay NAS System - Diskless

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.

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 supportUltra HD formats.

Powered by Synology DSM

Surveillance Station

Complete surveillance solution for recording, monitoring, and management.

Desktop Backup

Simplified backup solution for your Mac, PC, and mobile devices.

Public Cloud Integration

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

DSM UI

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

Security

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

Multimedia

Complete multimedia solution for management, streaming, and playback.

 

  1. Status indicator
  2. LAN indicator
  3. Drive status indicator
  4. USB 2.0 port
  5. USB copy button
  6. Power button and indicator
  7. USB 3.0 port
  8. Reset button
  9. 1GbE RJ-45 port
  10. Power port
  11. Fan
  12. Kensington Security Slot

Specifications

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 Class B

CE Class B

BSMI Class B

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

100

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

30

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)

Yes

Media Server

Yes

DLNA Compliance

Yes

Moments

Yes

Facial recognition

Yes

Subject recognition

Yes

Office

Yes

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 morez)

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

No additional files, specification sheets, guides or documentation found for product.

Warranty: 24 Month Return To Base

Full manufacturers warranty details are available at the manufacturers (Synology) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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