Stream content to your TV
Turn your Synology NAS into a home media hub and stream your digital contents to computers, mobile devices, Samsung TV, Apple TV, Google Chromecast, and DLNA devices.
Powerful 4-bay NAS for home and office users
Synology DS418 comes with a new 64-bit quad-core processor, delivering excellent data transfer speed and large storage volume management.
Quad-core 1.4GHz
Dual 1GbE LAN ports
2GB DDR4
Over 226 MB/s and 170 MB/s sequential reading and writing
Synology Office is a collaboration package combining the convenience and usability of the public cloud with private cloud privacy and security. It enables seamless collaboration on documents and spreadsheets in a protected environment. Learn more
Turn your Synology NAS into a home media hub and stream your digital contents to computers, mobile devices, Samsung TV, Apple TV, Google Chromecast, and DLNA devices.
Turn your Synology NAS into a home media hub and stream your digital contents to computers, mobile devices, Samsung TV, Apple TV, Google Chromecast, and DLNA devices.
Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS. Learn more
Sync files on demand: Save the storage space and network bandwidth of your PC.
Go back in time: Easily retrieve previous versions of your shared files.
Back up your data: Protect your files with scheduled backups or in real-time.
Storage management is easy with Synology Hybrid RAID (SHR) technology. SHR is an automated RAID management system allowing you to easily create and expand storage volumes and migrate RAID types without requiring details on RAID. SHR provides 1 to 2-disk redundancy to safeguard your data during drive failures.
SHR maximizes the data capacity of your RAID when different sizes of HDDs are used. Calculate your RAID needs.
For novice users who have no technical background and still want to protect their data using RAID technology, a convenient installation wizard will guide you through all the steps during your first installation.
You can add new disks on the fly in Storage Manager with a simple click. Learn more about SHR.
While creating a volume, you can plan ahead and leave empty and unallocated space for future usage.
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 at no additional charge.
Complete surveillance solution for recording, monitoring, and management.
Learn moreBack up and synchronize data easily between public cloud accounts and your NAS.
Learn moreAward-winning operating system with an intuitive user interface and powerful capabilities.
Learn moreSecure data with comprehensive built-in security tools to protect your devices against evolving threats.
Learn moreHardware Specifications |
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CPU |
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CPU |
CPU Model | Realtek RTD1296 |
CPU Quantity | 1 | |
CPU Architecture | 64-bit | |
CPU Frequency | 4-core 1.4 GHz | |
Hardware Encryption Engine | ||
Hardware Transcoding Engine | 10-bit H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 60 | |
Memory |
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Memory |
System Memory | 2 GB DDR4 non-ECC |
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 |
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Storage |
Drive Bays | 4 |
Compatible Drive Type* (See all supported drives) |
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Maximum Single Volume Size* | 108 TB | |
Hot Swappable Drive | ||
Notes | "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. | |
External Ports |
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External Ports |
RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) |
USB 3.2 Gen 1 Port* | 2 | |
Notes | The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. | |
File System |
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File System |
Internal Drives |
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External Drives |
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Notes | exFAT Access is purchased separately in Package Center. | |
Appearance |
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Appearance |
Size (Height x Width x Depth) | 166 mm x 199 mm x 223 mm |
Weight | 2.28 kg | |
Others |
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Others |
System Fan | 92 mm x 92 mm x 2 pcs |
Fan Speed Mode |
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Brightness Adjustable Front LED Indicators | ||
Power Recovery | ||
Noise Level* | 20.9 dB(A) | |
Scheduled Power On / Off | ||
Wake on LAN / WAN | ||
Power Supply Unit / Adapter | 90 W | |
AC Input Power Voltage | 100 V to 240 V AC | |
Power Frequency | 50/60 Hz, Single Phase | |
Power Consumption* |
26.49 W (Access) 8.78 W (HDD Hibernation) |
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British Thermal Unit |
90.39 BTU/hr (Access) 29.96 BTU/hr (HDD Hibernation) |
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Notes |
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Temperature |
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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 |
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Certification |
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Warranty |
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Warranty |
2 Years | |
Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
Environment |
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Environment |
RoHS Compliant | |
Packaging Content |
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Packaging Content |
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Optional Accessories |
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Optional Accessories |
DSM Specifications |
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Storage Management |
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Storage Management |
Maximum Internal Volume Number | 64 |
SSD TRIM | ||
Supported RAID Type |
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RAID Migration |
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Volume Expansion with Larger HDDs |
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Volume Expansion by Adding a HDD |
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Global Hot Spare Supported RAID Type |
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File Services |
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File Services |
File Protocol | SMB/AFP/NFS/FTP/WebDAV |
Maximum Concurrent SMB/AFP/FTP Connections | 200 | |
Windows Access Control List (ACL) Integration | ||
NFS Kerberos Authentication | ||
Notes | The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed. | |
Account & Shared Folder |
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Account & Shared Folder |
Maximum Local User Accounts | 2,048 |
Maximum Local Groups | 256 | |
Maximum Shared Folder | 256 | |
Maximum Shared Folder Sync Tasks | 4 | |
Log Center |
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Log Center |
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Syslog Events per Second | 400 | |
General Specifications |
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General Specifications |
Networking Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
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 | |
Add-on Packages view the complete package list |
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Synology Chat |
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Synology Chat |
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Maximum Users | 500 | |
Notes | The number of concurrent HTTP connections for Synology Chat was configured to the maximum. | |
Cloud Station Server |
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Cloud Station Server |
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Recommended Number of Hosted Files | 100,000 | |
Recommended Number of Concurrent Sync Clients | 200 (the number of connections that can be maintained when the recommended number of hosted files was reached) | |
Notes |
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Download Station |
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Download Station |
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Maximum Concurrent Download Tasks | 80 | |
exFAT Access (Optional) |
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exFAT Access (Optional) |
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iSCSI Manager |
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iSCSI Manager |
Maximum iSCSI Target Number | 128 |
Maximum iSCSI LUN | 256 | |
iSCSI LUN Clone/Snapshot, Windows ODX | ||
Media Server |
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Media Server |
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DLNA Compliance | ||
Moments |
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Moments |
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Facial Recognition | ||
Subject Recognition | ||
Snapshot Replication |
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Snapshot Replication |
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Maximum Snapshots per Shared Folder | 256 | |
Maximum of System Snapshots | 4,096 | |
Surveillance Station |
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Surveillance Station |
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Maximum IP cam (Licenses required) | 30 (including 2 Free License) (See All Supported IP Cameras) | |
Total FPS (H.264) |
900 FPS @ 720p (1280x720) 300 FPS @ 1080p (1920x1080) 240 FPS @ 3M (2048x1536) 150 FPS @ 5M (2591x1944) 110 FPS @ 4K (3840x2160) |
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Total FPS (H.265) |
900 FPS @ 720p (1280x720) 450 FPS @ 1080p (1920x1080) 360 FPS @ 3M (2048x1536) 250 FPS @ 5M (2591x1944) 180 FPS @ 4K (3840x2160) |
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Total FPS (MJPEG) |
300 FPS @ 720p (1280x720) 200 FPS @ 1080p (1920x1080) 130 FPS @ 3M (2048x1536) 80 FPS @ 5M (2591x1944) |
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Notes |
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Synology Drive |
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Synology Drive |
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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 Sync Clients | 200 (the number of connections that can be maintained when the recommended number of hosted files was reached) | |
Notes |
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Synology Office |
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Synology Office |
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Maximum Users | 200 | |
Notes |
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Video Station |
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Video Station |
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Video Transcoding | 4K Group 3 (See more) | |
Maximum Transcoding Channel Number |
1 channel, 60 FPS @ 4K (4096 x 2160), H.265 (HEVC), 10-bit or 1 channel, 30 FPS @ 1080p (1920 × 1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 |
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VPN Server |
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VPN Server |
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Maximum Connections | 20 |
Notes: