Synology DiskStation DS218 - Image 1
Synology DiskStation DS218play
Synology DiskStation DS620 Slim 6 Bay

Synology DiskStation DS218

Synology DiskStation DS218

SKUDS218Plus
Barcode #846504002580
BrandSYNOLOGY
Shipping Weight2.4000kg
Shipping Width0.290m
Shipping Height0.120m
Shipping Length0.260m
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Description

Synology DiskStation DS218

Synology DiskStation DS218

Versatile 2-bay NAS for high-speed file sharing and centralized data management

Synology DiskStation DS218 comes with a new 64-bit quad-core processor to deliver excellent data transfer speed and supports rich applications such as multimedia streaming, and file syncing and sharing. Data can be further protected with RAID 1 disk mirroring support.

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Synology DiskStation DS218 Hardware Specifications
CPU
CPU ModelIntel Celeron J3355
CPU Architecture64-bit
CPU FrequencyDual Core 2.0 burst up to 2.5 GHz
Hardware Encryption Engine (AES-NI)
Hardware Transcoding EngineH.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 Memory2 GB DDR3L
Memory Module Pre-installed2GB (1 x 2GB)
Total Memory Slots2
Memory Expandable up to6 GB (2 GB + 4 GB)
Storage
Drive Bays2
Compatible Drive Type* (See all supported drives)
  • 3.5″ SATA HDD
  • 2.5″ SATA HDD
  • 2.5″ SATA SSD
Maximum Internal Raw Capacity20 TB (10 TB drive x 2) (Capacity may vary by RAID types)
Maximum Single Volume Size108 TB
Hot-Swappable Drive
Synology DiskStation DS218 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 Port1
USB 3.0 Port3
eSATA Port1
USB copy
Synology DiskStation DS218 File System
Synology DiskStation DS218 Internal Drives
  • Btrfs
  • EXT4
Synology DiskStation DS218 External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
NotesexFAT Access is purchased separately in Package Center.
Synology DiskStation DS218 Appearance
Size (Height x Width x Depth)165 mm x 108 mm x 232.2 mm
Weight1.30 kg
Others
System Fan92 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 / Adapter60W
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*17.23 W (Access)

5.4 W (HDD Hibernation)

British Thermal Unit58.79 BTU/hr (Access)

18.43 BTU/hr (HDD Hibernation)

Synology DiskStation DS218 Environment Temperature
Operating Temperature5°C to 40°C (40°F to 104°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
Synology DiskStation DS218 Certification
  • FCC Class B
  • CE Class B
  • BSMI Class B
Warranty2 Years
NotesPower consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number256
Maximum iSCSI Target Number32
Maximum iSCSI LUN256
iSCSI LUN Clone/Snapshot, Windows ODX
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
RAID MigrationBasic to RAID 1
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
Volume Expansion by Adding an HDDSynology Hybrid RAID
SSD Support
SSD TRIM
File Sharing Capacity
Maximum Local User Accounts2048
Maximum Local Groups256
Maximum Shared Folder256
Maximum Shared Folder Sync Tasks4
Maximum Concurrent CIFS/AFP/FTP Connections500
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Log Center
Syslog Events per Second400
Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users1000
Synology DiskStation DS218 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 Devices500
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
Synology DiskStation DS218 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 Tasks80
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts5 (Licenses required for additional accounts)
Recommended MailPlus Client NumberUp to 45 (Btrfs) / 45 (ext4)
Maximum Server Performance181,000 (Btrfs) / 194,000 (ext4) emails per day, approx. 5.5 GB (Btrfs) / 5.9 GB (ext4)
Synology DiskStation DS218 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 Users200
Maximum Simultaneous Editing Users60
Synology DiskStation DS218

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 Folder1024
Maximum Snapshots of all Shared Folder65536
Surveillance Station
Maximum IP cam (Licenses required)25 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)*750 FPS @ 720p (1280×720)
375 FPS @ 1080p (1920×1080)
250 FPS @ 3M (2048×1536)
200 FPS @ 5M (2591×1944)
120 FPS @ 4K (3840×2160)
Total FPS (H.265)*750 FPS @ 720p (1280×720)
750 FPS @ 1080p (1920×1080)
450 FPS @ 3M (2048×1536)
250 FPS @ 5M (2591×1944)
200 FPS @ 4K (3840×2160)
Total FPS (MJPEG)*450 FPS @ 720p (1280×720)
250 FPS @ 1080p (1920×1080)
160 FPS @ 3M (2048×1536)
130 FPS @ 5M (2591×1944)
NotesSurveillance 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 Transcoding4K Group 1 (See more)
Maximum Transcoding Channel Number2 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 Connections20
Environment & Packaging
EnvironmentRoHS 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
SKUDS218Plus
Barcode #846504002580
BrandSYNOLOGY
Shipping Weight2.4000kg
Shipping Width0.290m
Shipping Height0.120m
Shipping Length0.260m

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