Description
Backup all your digital assets with Synology DiskStation DS218j, a powerful 2-bay NAS with rapid data transmission and low power consumption, designed for home users.
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.
Eco-friendly
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
| Hardware Specifications | |
| CPU | |
| CPU Model | Marvell Armada 385 88F6820 |
| CPU Architecture | 32-bit |
| CPU Frequency | Dual Core 1.3 GHz |
| Hardware Encryption Engine | |
| Memory | |
| System Memory | 512 MB DDR3 |
| Storage | |
| Drive Bays | 2 |
| Compatible Drive Type* (See all supported drives) |
|
| Maximum Internal Raw Capacity | 28 TB (14 TB drive x 2) (Capacity may vary by RAID types) |
| Maximum Single Volume Size | 16 TB |
| Hot Swappable Drive | |
| Notes |
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| External Ports | |
| RJ-45 1GbE LAN Port | 1 |
| USB 3.0 Port | 2 |
| File System | |
| Internal Drives | EXT4 |
| External Drives |
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| Notes |
|
| Appearance | |
| Size (Height x Width x Depth) | 165 mm x 100 mm x 225.5 mm |
| Weight | 0.88 kg |
| Others | |
| System Fan | 92 mm x 92 mm x 1 pcs |
| Fan Speed Mode |
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| 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 |
| Certification |
|
| Warranty | 2 Years |
| Notes |
|
| DSM Specifications ( See more ) |
|
| Storage Management | |
| Maximum Internal Volume Number | 256 |
| Maximum iSCSI Target Number | 10 |
| Maximum iSCSI LUN | 10 |
| Supported RAID Type |
|
| RAID Migration | Basic to RAID 1 |
| Volume Expansion with Larger HDDs |
|
| Volume Expansion by Adding a HDD | Synology Hybrid RAID |
| File Services | |
| File Protocol | CIFS/AFP/NFS/FTP/WebDAV |
| Maximum Concurrent CIFS/AFP/FTP Connections | 100 |
| Windows Access Control List (ACL) Integration | |
| NFS Kerberos Authentication | |
| Account & Shared Folder | |
| Maximum Local User Accounts | 1024 |
| Maximum Local Groups | 256 |
| Maximum Shared Folder | 256 |
| Maximum Shared Folder Sync Tasks | 2 |
| Log Center | |
| Syslog Events per Second | 100 |
| Add-on Packages (learn more about the complete add-on package list) | |
| Chat | |
| Maximum Users | 10 |
| Notes |
|
| Cloud Station Server | |
| Maximum Number of Concurrently Connected Devices | 100 |
| Maximum Number of Hosted Files (ext4) | 100,000 |
| Notes |
|
| Download Station | |
| Maximum Concurrent Download Tasks | 30 |
| exFAT Access (optional) | |
| Media Server | |
| DLNA Compliance | |
| Moments | |
| Facial recognition | |
| Subject recognition | |
| Surveillance Station | |
| Maximum IP cam (Licenses required) | 14 (including 2 Free License) (See All Supported IP Cameras) |
| Total FPS (H.264)* | 420 FPS @ 720p (1280×720) 120 FPS @ 1080p (1920×1080) 90 FPS @ 3M (2048×1536) 60 FPS @ 5M (2591×1944) 20 FPS @ 4K (3840×2160) |
| Total FPS (H.265)* | 420 FPS @ 720p (1280×720) 210 FPS @ 1080p (1920×1080) 140 FPS @ 3M (2048×1536) 90 FPS @ 5M (2591×1944) 30 FPS @ 4K (3840×2160) |
| Total FPS (MJPEG)* | 140 FPS @ 720p (1280×720) 70 FPS @ 1080p (1920×1080) 40 FPS @ 3M (2048×1536) 20 FPS @ 5M (2591×1944) |
| 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. |
| Synology Drive | |
| Recommended Number of Hosted Files | 100,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) |
| Recommended Number of Concurrent Connections for PC Clients | 200 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
| Notes |
|
| Synology Office | |
| Maximum Users | 200 |
| Notes |
|
| Video Station | |
| Video Transcoding | Group 2 (See more) |
| Notes | |
| VPN Server | |
| Maximum Connections | 10 |
| Environment & Packaging | |
| Environment | RoHS Compliant |
| Packaging Content |
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| Optional Accessories |
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| General | |
| Networking Protocols |
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| Windows AD Domain Integration | Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration |
| HDD Management |
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| Security | Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let’s Encrypt support, HTTPS (Customizable cipher suite) |
| Supported Clients |
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| Supported Browsers |
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| Supported Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 |
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