| Hardware Specifications | |
| CPU | |
| CPU Model | Realtek RTD1293 |
| CPU Architecture | 64-bit |
| CPU Frequency | Dual Core 1.4 GHz |
| Hardware Encryption Engine | |
| Memory | |
| System Memory | 1 GB DDR4 |
| Notes | Synology reserves the right to replace memory modules with the same or higher frequency based on supplier’s product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. |
| Storage | |
| Drive Bays | 4 |
| Compatible Drive Type* (See all supported drives) |
|
| Maximum Internal Raw Capacity | 56 TB (14 TB drive x 4) (Capacity may vary by RAID types) |
| Maximum Single Volume Size | 108 TB |
| Hot Swappable Drive | |
| Notes |
|
| External Ports | |
| RJ-45 1GbE LAN Port | 1 |
| USB 3.0 Port | 2 |
| File System | |
| Internal Drives | EXT4 |
| External Drives |
|
| Notes | exFAT Access is purchased separately in Package Center. |
| Appearance | |
| Size (Height x Width x Depth) | 184 mm x 168 mm x 230 mm |
| Weight | 2.21 kg |
| Notes | The rail kit is sold separatelty. |
| Others | |
| System Fan | 80 mm x 80 mm x 2 pcs |
| Fan Speed Mode |
|
| Brightness adjustable front LED indicators | |
| Power Recovery | |
| Noise Level* | 20.6 dB(A) |
| Scheduled Power On/Off | |
| Wake on LAN/WAN | |
| Power Supply Unit / Adapter | 90W |
| AC Input Power Voltage | 100V to 240V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption* | 21.22 W (Access) 8.97 W (HDD Hibernation) |
| British Thermal Unit | 72.41 BTU/hr (Access) 30.61 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 |
| SSD TRIM | |
| Supported RAID Type |
|
| RAID Migration |
|
| Volume Expansion with Larger HDDs |
|
| Volume Expansion by Adding a HDD |
|
| Global Hot Spare Supported RAID Type |
|
| 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 | |
| Auto Color & Rotate | |
| Moments Select | |
| Surveillance Station | |
| Maximum IP cam (Licenses required) | 16 (including 2 Free License) (See All Supported IP Cameras) |
| Total FPS (H.264)* | 480 FPS @ 720p (1280×720) 240 FPS @ 1080p (1920×1080) 150 FPS @ 3M (2048×1536) 100 FPS @ 5M (2591×1944) 70 FPS @ 4K (3840×2160) |
| Total FPS (H.265)* | 480 FPS @ 720p (1280×720) 320 FPS @ 1080p (1920×1080) 224 FPS @ 3M (2048×1536) 160 FPS @ 5M (2591×1944) 100 FPS @ 4K (3840×2160) |
| Total FPS (MJPEG)* | 224 FPS @ 720p (1280×720) 150 FPS @ 1080p (1920×1080) 100 FPS @ 3M (2048×1536) 60 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) |
| VPN Server | |
| Maximum Connections | 10 |
| Environment & Packaging | |
| Environment | RoHS Compliant |
| Packaging Content |
|
| Optional Accessories |
|
Synology DS418j 4-bay NAS DiskStation Warranty 2 years
- 4-bay DiskStation, Dual Core 1.4 GHz, 1GB RAM
- Warranty 2 years
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