Technical Specifications

Hardware

CPU:
Intel Celeron J3355 dual-core 2.0 GHz, burst up to 2.5 GHz

Hardware encryption engine:
Yes (AES-NI)

Hardware transcoding engine:
Supported codec: H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30

Memory:
2 GB DDR3L (expandable up to 6 GB)

Compatible drive type:
2 x 3.5" or 2.5" SATA SSD / HDD (drives not included)

External port:
-3 x USB 3.0 port
-1 x eSATA port

Size (HxWxD):
165 x 108 x 232.2 mm

Weight:
1.3 kg

LAN:
Gigabit (RJ-45) x 1

Wake on LAN/WAN:
Yes

Scheduled power on/off:
Yes

System fan:
92 x 92 x 25 mm

AC input power voltage:
100V to 240V AC

Power frequency:
50/60Hz, single phase

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

Maximum operating altitude:
5,000 m (16,400 ft)

General DSM Specifications

Networking protocol:
SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP)

File system:
-Internal: Btrfs, ext4
-External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT

Supported RAID type:
Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1

Storage management:
-Maximum internal volume: 256
-Maximum iSCSI target: 32
-Maximum iSCSI LUN: 256
-iSCSI LUN clone/snapshot support

File sharing capability:
-Maximum local user account: 2,048
-Maximum local group: 256
-Maximum shared folder: 256
-Maximum concurrent SMB/NFS/AFP/FTP connection: 500

Privilege:
Windows Access Control List (ACL), application privilege

Directory service:
Windows® AD integration: Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration

Security:
Firewall, Encryption shared folder, SMB encryption, FTP over SSL/TLS, SFTP, Rsync over SSH, Login auto block, Let's Encrypt support, HTTPS (customizable cipher suite)

Supported client:
Windows 7 and 10, Mac OS X 10.11 onwards

Supported browser:
Chrome®, Firefox®, Internet Explorer® 10 onwards, Safari® 10 onwards; Safari (iOS 10 onwards), Chrome (Android™ 6.0 onwards)

Interface Language:
English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, PyccK1i:: , Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český,  Japanese and Chinese

Packages and Applications

File Station:
Virtual drive, remote folder, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users or groups, creating sharing links, transfer logs

FTP Server:
Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocol, boot over the network with TFTP and PXE support, transfer logs

Universal Search:
Offer global search into applications and files

Hyper Backup:
Support local backup, network backup, and backup data to public clouds

Active Backup for Server:
Centralize data backup for Windows and Linux servers without client installation

Backup tool:
DSM configuration backup, macOS Time Machine support, Cloud Station Backup Shared folder sync - maximum task number: 4

Cloud Station Suite:
-Sync your data between multiple platforms by installing client utilities on Windows, Mac, Linux, Android, and iOS devices, while retaining up  to 32 historical versions of files
-Maximum concurrent file transfer: 500

Cloud Sync:
One or two-way synchronization with public cloud storage providers including Amazon Drive, Amazon S3-compatible storage, Baidu cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, WebDAV servers, and Yandex Disk

Surveillance Station:
Maximum IP camera: 25 (total of 750 FPS at 720p, H.264) (includes two free camera licenses; additional cameras require the purchasing of additional licenses)

Virtual Machine Manager:
Deploy and run various virtual machines on Synology NAS, including Windows, Linux, or Virtual DSM

Snapshot Replication:
-Maximum of replications: 64
-Maximum of shared folder snapshots: 1,024
-Maximum of system snapshots: 65,536

Active Directory Server:
Provide a flexible and cost-effective domain controller solution

CMS:
Provide a single interface to manage and monitor multiple Synology NAS

VPN Server:
Maximum connection: 20, supported VPN protocol: PPTP, OpenVPN™, L2TP/IPSec

MailPlus Server:
Secure, reliable, and private mail solution with high-availability, load balancing, security and filtering design (includes 5 free email account licenses; additional accounts require the purchasing of additional licenses)

MailPlus:
Intuitive webmail interface for MailPlus Server, customizable mail labels, filters, and user interface

Collaboration Suite:
-Chat maximum user: 1,000
-Office maximum user: 200, maximum simultaneous editing user: 60
-Calendar: Support CalDAV and access via mobile devices

Note Station:
Rich-text note organization and versioning, encryption, sharing, media embedding and attachments

Storage Analyzer:
Volume and quota usage, total file size, volume usage and trends based on past usage, size of shared folders, largest/most/least frequently modified files

Security Advisor:
Malware detection/removal, user account/password, network, system-related security scan

Antivirus Essential:
Full system scan, scheduled scan, white list customization, virus definition auto update

Download Station:
Supported download protocols: BT, HTTP, FTP, NZB, eMule, Thunder, FlashGet, QQDL Maximum concurrent download task: 80

Web Station:
Virtual host (up to 30 websites), PHP / MariaDB®, third-party applications support

Other packages:
Video Station, Photo Station, Audio Station, DNS Server, RADIUS Server, iTunes® Server, Log Center, third-party packages available on Package Center

iOS/Android™ applications:
DS audio, DS cam, DS cloud, DS file, DS finder, DS get, DS note, DS photo, DS video, MailPlus

Windows Phone® applications:
DS audio, DS file, DS finder, DS get, DS photo, DS video

Environment and Packaging

Environment safety:
RoHS compliant

Package content:
-DS218+ main unit x 1
-Quick Installation Guide x 1
-Accessory pack x 1
-AC power adapter x 1
-RJ-45 LAN cable x 1

Optional accessories:
-D3NS1866L-4G
-Synology VS360HD
-Surveillance Device License Pack
-MailPlus License Pack

Warranty:
2 years

*Model specifications are subject to change without notice. Please refer to www.synology.com for the latest information.

1. Performance figures may vary depending on environment, usage, and
2. DS218+ can transcode 4K video to 1080p or The maximum number of concurrent video transcoding channels supported may vary depending on the video codec, resolution, bitrate and FPS.
3. exFAT Access is purchased separately in Package