2 Bay Synology DS218+ 2GB DiskStation Gigabit NAS Unit - Computer Alliance
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2 Bay Synology DS218+ 2GB DiskStation Gigabit NAS Unit

Web ID: 21913

Equipped with a dual-core processor and AES-NI hardware encryption engine, DS218+ delivers exceptional file transfer speeds. Supporting real-time 4K video streaming, DS218+ is ideal not only for protecting critical data but for storing ultra-high definition media contents as well. Celeron 2.0GHz Dual Core CPU, 2GB RAM, 3 x USB 3.0, 1 x eSATA
Manufacturer Warranty: 2 Year
Manufacturer PN: DS218+
GTIN: 846504002580
Manufacturer Website

$489SAVE $40

Compact yet powerful storage solution

Equipped with a dual-core processor and AES-NI hardware encryption engine, DS218+ delivers exceptional file transfer speeds. Supporting real-time 4K video streaming, DS218+ is ideal not only for protecting critical data but for storing ultra-high definition media contents as well.

CPU

Dual-core up to 2.5 GHz

Ultra Performance

113 MB/s encrypted reading, 112 MB/s encrypted writing

Encryption

AES-NI hardware encryption

Transcoding

4K Ultra HD video transcoding

Next-generation file system for better data protection

The Btrfs file system introduces advanced storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools.

Flexible Shared Folder / User Quota System provides comprehensive quota control on 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 accelerates data recovery, providing more flexibility for businesses

Automatic file self-healing detects and recovers corrupted files without user intervention

Learn more about the benefits of using Btrfs 

4K Multimedia Server

Access and stream your 4K media content anytime and anywhere. DS218+ supports 4K H.264/H.265 online transcoding via Video Station and DS video, allowing 4K videos to be converted and played on the fly on other computers, smartphones, and media players that originally do not support Ultra HD formats. Learn more

4K Multimedia Server

Access and stream your 4K media content anytime and anywhere. DS218+ supports 4K H.264/H.265 online transcoding via Video Station and DS video, allowing 4K videos to be converted and played on the fly on other computers, smartphones, and media players that originally do not support Ultra HD formats. Learn more

Synchronize files across your devices

Cloud Station Suite provides real-time data synchronization across all your devices, such as computers, mobile devices, and other Synology NAS whenever a file is modified. "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

Digital asset protection

Powered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes. Learn more

Security Advisor

Analyzes system settings, password strength, network preferences, and removes any possible malware.

AppArmor

A kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.

AES 256-bit encryption

Encrypt shared folders and network data transmission to keep data from unauthorized access.

2-step verification

Prevent others from logging in to your DSM by generating a one-time password (OTP) on your mobile device.

Trust Level

Customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered package files.

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 simple customizable address (e.g. https://customID.quickconnect.to), so that you can instantly access media and work files on any Windows/Mac/Linux computer, laptop, or mobile device without additional charge.

Powered by Synology DSM

 

Office

Collaborate together on spreadsheets and documents on your own private cloud.

Learn more

Surveillance Station

Complete surveillance solution for recording, monitoring, and management.

Learn more

File Server/Management

Powerful built-in file management and sharing services.

Learn more

DSM UI

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

Learn more

Desktop Backup

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

Learn more

Multimedia

Complete multimedia solution for management, streaming, and playback.

Learn more

  • 1Status indicator
  • 2LAN indicator
  • 3Drive status indicator
  • 4USB 3.0 port
  • 5USB copy button
  • 6Power button and indicator
  • 7Fan
  • 8USB 3.0 port
  • 9Reset button
  • 10eSATA port
  • 111GbE RJ-45 port
  • 12Kensington Security Slot
  • 13Power port
Hardware Specifications
CPU
CPU Model Intel Celeron J3355
CPU Architecture 64-bit
CPU Frequency Dual Core 2.0 burst up to 2.5 GHz
Hardware Encryption Engine (AES-NI)  
Hardware Transcoding Engine H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
Memory
System Memory 2 GB DDR3L
Memory Module Pre-installed 2GB (1 x 2GB)
Total Memory Slots 2
Memory Expandable up to 6 GB (2 GB + 4 GB)
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 20 TB (10 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)
  • Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB.
External Ports
RJ-45 1GbE LAN Port 1
USB 3.0 Port 3
eSATA Port 1
USBCopy  
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 232.2 mm 
Weight 1.30 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* 17.23 W (Access) 
5.4 W (HDD Hibernation) 
British Thermal Unit 58.79 BTU/hr (Access) 
18.43 BTU/hr (HDD Hibernation) 
Environment Temperature
Operating Temperature 5°C to 40°C (40°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
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 32
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX  
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
SSD Support
SSD TRIM  
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 256
Maximum Shared Folder Sync Tasks 4
Maximum Concurrent CIFS/AFP/FTP Connections 500
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)
Antivirus by McAfee (Trial)  
Central Management System  
Chat  
Maximum Users 1000
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 500
Maximum Number of Concurrently Connected Devices (with RAM expansion) 1500
Maximum Number of Synced Files (btrfs) 1,000,000 / single file reaction time 681 ms
Maximum Number of Synced Files (ext4) 1,000,000 / single file reaction time 341 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 1KByte 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.
Document Viewer  
Download Station  
Maximum Concurrent Download Tasks 80
exFAT Access (optional)  
MailPlus / MailPlus Server  
Free Email Accounts (Licenses required for additional accounts)
Recommended MailPlus Client Number Up to 45 (Btrfs) / 45 (ext4)
Maximum Server Performance 181,000 (Btrfs) / 194,000 (ext4) emails per day, approx. 5.5 GB (Btrfs) / 5.9 GB (ext4)
Notes
  • The CPU and RAM usages were both under 80% when testing recommended client numbers.
  • 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  
Office  
Maximum Users 200
Maximum Simultaneous Editing Users 60
Notes
  • 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 Snapshots of all Shared Folder 65536
Surveillance Station  
Maximum IP cam (Licenses required) 25 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 750 FPS @ 720p (1280x720) 
375 FPS @ 1080p (1920×1080) 
250 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944) 
120 FPS @ 4K (3840x2160)
Total FPS (H.265)* 750 FPS @ 720p (1280x720) 
750 FPS @ 1080p (1920×1080) 
450 FPS @ 3M (2048x1536) 
250 FPS @ 5M (2591x1944) 
200 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 450 FPS @ 720p (1280x720) 
250 FPS @ 1080p (1920×1080) 
160 FPS @ 3M (2048x1536) 
130 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 1 (See more)
Maximum Transcoding Channel Number 2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or 
2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1
VPN Server  
Maximum Connections 20
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
  • D3NS1866L-4G RAM Module
  • VS360HD
  • VS960HD