Due to Rapid Change in Exchange Rate, all the Prices are affected so please re-confirm the prices before ordering
All Categories
    Menu Close

    Synology DiskStation DS218j Diskless 2 Bay NAS

    Manufacturer: Synology
    DiskStation DS218j A versatile entry-level 2-bay NAS for home and personal cloud storage *Actual product may vary
    Call for pricing
    i h

    Cost-effective home storage server


    Backup all your digital assets with Synology DS218j, a powerful 2-bay NAS with rapid data transmission and low power consumption, designed for home users.




    17.48 W in access, 7.03 W in HDD Hibernation


    High Performance


    Over 113 MB/s and 112 MB/s sequential reading and writing


    Cloud Station Backup for PC protection


    Featuring real-time incremental backup technology, your data stored on a PC can be backed up to a Synology NAS instantly, using minimal system resources, bringing a truly comprehensive and secure private cloud experience.


    Incremental backup: fast while reducing performance impact


    Cloud Station provides an optimized PC backup solution. With the incremental backup technology, Cloud Station backs up only the modified files and divides them into even smaller parts, demanding significantly less system resources than traditional backup methods.


    Real-time backup saving you from massive data loss


    Cloud Station Backup carries out the most complete backup tasks in real-time. When data is voluminous, real-time backup prevents massive data loss due to unexpected disaster during backup cycles.





    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 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.





    Seamless integration with your mobile devices


    Synology mobile applications are designed to allow quick and secure access to your data wherever you are.



    DS audio





    DS Photo





    DS video




    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


    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




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


    Learn more




    Complete multimedia solution for management, streaming, and playback.


    Learn more




    1Status indicator


    2LAN indicator


    3Drive status indicator


    4Power button and indicator




    6USB 3.0 port


    7Reset button


    8Power port


    91GbE RJ-45 port


    10Kensington Security Slot




    Hardware Specifications
    CPU Model Marvell Armada 385 88F6820
    CPU Architecture 32-bit
    CPU Frequency Dual Core 1.3 GHz
    Hardware Encryption Engine  
    System Memory 512 MB DDR3
    Drive Bays 2
    Compatible Drive Type* (See all supported drives)

    3.5" SATA HDD

    2.5" SATA HDD (with optional 2.5" Disk Holder)

    2.5" SATA SSD (with optional 2.5" Disk Holder)

    Maximum Internal Raw Capacity 24 TB (12 TB drive x 2) (Capacity may vary by RAID types)
    Maximum Single Volume Size 16 TB

    "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 raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)

    External Ports
    RJ-45 1GbE LAN Port 1
    USB 3.0 Port 2
    File System
    Internal Drives EXT4
    External Drives








    HFS+ is read only, max 2TB volume size.

    exFAT Access is purchased separately in Package Center.

    Size (Height x Width x Depth) 165 mm x 100 mm x 225.5 mm
    Weight 0.88 kg
    System Fan 92 mm x 92 mm x 1 pcs
    Fan Speed Mode

    Full-Speed Mode

    Cool Mode

    Quiet Mode

    Low-power Mode

    Brightness adjustable front LED indicators  
    Power Recovery  
    Noise Level* 18.2 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* 17.48 W (Access)
    7.03 W (HDD Hibernation)
    British Thermal Unit 59.68 BTU/hr (Access)
    24 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








    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
    Supported RAID Type

    Synology Hybrid RAID



    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 1024
    Maximum Local Groups 256
    Maximum Shared Folder 256
    Maximum Shared Folder Sync Tasks 2
    Maximum Concurrent CIFS/AFP/FTP Connections 100
    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)
    Maximum Users 10

    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 100
    Maximum Number of Synced Files (ext4) 100,000 / single file reaction time 840 ms

    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
    Maximum Number of Synced Files 100,000 / single file reaction time 941 ms
    Maximum Number of Concurrent Connections for PC Clients 200

    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  
    Facial recognition  
    Subject recognition  
    Maximum Users 200

    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) 14 (including 2 Free License) (See All Supported IP Cameras)
    Total FPS (H.264)* 420 FPS @ 720p (1280x720)
    120 FPS @ 1080p (1920×1080)
    90 FPS @ 3M (2048x1536)
    60 FPS @ 5M (2591x1944)
    20 FPS @ 4K (3840x2160)
    Total FPS (H.265)* 420 FPS @ 720p (1280x720)
    210 FPS @ 1080p (1920×1080)
    140 FPS @ 3M (2048x1536)
    90 FPS @ 5M (2591x1944)
    30 FPS @ 4K (3840x2160)
    Total FPS (MJPEG)* 140 FPS @ 720p (1280x720)
    70 FPS @ 1080p (1920×1080)
    40 FPS @ 3M (2048x1536)
    20 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 Group 2 (See more)
    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

    Disk Holder: Type C



    0.0 0
    Write your own review Close
    • Only registered users can write reviews
    • Bad
    • Excellent