Synology RackStation RS819 is a compact and scalable 4-bay rackmount NAS in 1U form factor. Powered
by Synology DiskStation Manager with snapshot technology support, RS819 brings business workgroups
simple yet comprehensive solutions to data management, sharing, synchronization and backup. Synology
RS819 is backed by Synology’s 3-year limited warranty.
• Scalable 4-bay 1U rackmount NAS for
• 64-bit quad-core 1.4GHz processor
• Compact chassis design, less than 12-
inch in depth
• Encryption performance at over 224
MB/s reading, 152 MB/s writing1
• Dual 1GbE LAN with failover and Link
• Advanced Btrfs file system offering
4,096 system-wide snapshots and 256
snapshots per shared folder
• Scale up to 8 drives with Synology
Compact 1U Rackmount NAS with Excellent Performance
Synology RackStation RS819 is 1U 4-bay rackmount network-attached storage solution
for business workgroups. Its compact 12-inch-depth chassis design supports 2-post
racks and brings high flexibility to server deployment.
Equipped with a 64-bit quad-core processor, 2 GB DDR4 memory, and two Gigabit LAN
ports, RS819 delivers sequential reading and writing throughput at over 225 MB/s and
169 MB/s respectively1
. Excellent encrypted data transmission at over 224 MB/s reading
and 152 MB/s writing make RS819 an efficient shared storage for multiple users, while
keeping valuable data secure and away from potential threats.
RS819 also provides storage scalability up to 8 drives when connected to one Synology
expansion unit RX4182
. Storage capacity can be expanded with minimal effort.
Cross-Platform File Sharing and Data Synchronization
Synology RS819 supports comprehensive network protocols, ensuring a seamless file
sharing experience across Windows, Mac®, and Linux® platforms. Windows AD and
LDAP integration allows RS819 to fit quickly and effortlessly into any existing network
environment, without the need to create identical user accounts. Cloud Sync keeps
your Dropbox, Google™ Drive, Microsoft OneDrive, Baidu, and Box storage in sync with
your RackStation at the workplace. Synology Drive allows you to sync files across
Windows, macOS, Linux, and mobile devices, effortlessly keeping everything up-to-date.
RS819 combines seamless file sharing capability with a high level of security, including
HTTPS support, a built-in firewall, and multiple IP and account intrusion auto-blocking
Btrfs: Next Generation Storage Efficiency
RS819 introduces the Btrfs file system, bringing the most advanced storage
technologies to meet the management needs of modern businesses:
• Advanced snapshot technology with customizable backup schedule allows shared
folders to be backed up in a minimum 5-minute interval, without consuming heavy
• File and folder level data restoration brings huge conveniences and saves time for
users who wish to restore only a specific file or folder.
• Flexible Shared Folder and User Quota System provide comprehensive quota control
on all user accounts and shared folders.
• Synology Drive supports file versioning, requiring as little as half the storage when
compared with ext4 file systems.
• Advanced iSCSI LUNs based on a Btrfs volume offer lightning-fast snapshot creation,
recovery, and cloning.
Easy Backup Solutions
Synology Hyper Backup provides multi-version backup with block-level incremental
backup and cross-version deduplication. It optimizes storage utilization and allows data
to be backed up to multiple destinations such as local shared folders, external hard
drives, network shared folders, rsync servers, and public cloud services.
Running on Synology DiskStation Manager (DSM)
Synology DiskStation Manager (DSM) is a web-based operating system tailor-made for
every Synology NAS. Featuring an intuitive multitasking user interface, DSM provides
simple destop-like experience to minimize efforts in exploring and managing your
The built-in Package Center allows you to download and install a variety of packages
designed specifically for your unique needs, including file backup, productivity,
safeguard security and utilities.
With all the built-in and add-on features, DSM provides you with complete and
fine-grained control of your RS819, helping you maximize productivity and make the
best out of of your digital assets. All will happen with just a few clicks.
Next-Generation File System
A modern file system designed to
address obstacles often encountered in
enterprise storage systems, safeguarding
data integrity through metadata
mirroring, self-healing and snapshot
1 Power button and indicator 2 LAN indicator 3 Drive status indicator 4 Beep off button
5 Status indicator 6 Drive tray 7 Console port 8 Fan
9 Power port 10 1GbE RJ-45 port 11 USB 3.0 port 12 eSATA port
13 Reset button
CPU Realtek RTD1296 quad-core 1.4GHz
Hardware encryption engine Yes
Memory 2 GB DDR4
Compatible drive type 4 x 3.5″ or 2.5″ SATA SSD/HDD (drives not included)
Hot swappable drive Yes
External port • 2 x USB 3.0 port
• 1 x eSATA port
Size (HxWxD) • 44 x 430.5 x 295.5 mm
• 44 x 478 x 327.5 mm (with server ears)
Weight 4.34 kg
LAN 2 x Gigabit (RJ-45)
Wake on LAN/WAN Yes
Scheduled power on/off Yes
System fan 3 (40 x 40 x 20 mm)
AC input power voltage 100V to 240V AC
Power frequency 50/60Hz, single phase
Operating temperature 5°C to 35°C (40°F to 95°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 specification
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+, exFAT3
Supported RAID type Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
• Maximum single volume size: 108TB
• Maximum system snapshots: 4,0964
• Maximum internal volume: 64
File sharing capability
• Maximum local user account: 2,048
• Maximum local group: 256
• Maximum shared folder: 256
• Maximum concurrent SMB/NFS/AFP/FTP connection: 200
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)
1 2 3 45
6 8 9 8 10 11 1213 8
Supported client Windows 7 onwards, Mac OS X® 10.11 onwards
Supported browser Chrome®, Firefox®, Edge®, Internet Explorer® 10 onwards, Safari® 10 onwards; Safari (iOS 10 onwards), Chrome (Android™ 6.0 onwards) on
Interface language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, Русский, Polski, Magyar,
Português do Brasil, Português Europeu, Türkçe, Český,
Packages and Applications
File Server & Synchronization
Provide a universal portal to synchronize your files across various platforms, including Windows, macOS, Linux, Android and iOS. The built-in
universal portal allows you to access data anytime and anywhere.
• Maximum number of hosted files: 100,000
• Maximum number of concurrent connections for PC clients: 200
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
One or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, Amazon Drive, Amazon S3-compatible
storage, Backblaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack
Swift-compatible storage, Tencent COS, WebDAV servers, Yandex Disk
Universal Search Offer global search into applications and files
• Maximum iSCSI target: 128
• Maximum iSCSI LUN: 256
• iSCSI LUN clone/snapshot support
Data Protection & Backup Solution
Hyper Backup Support local backup, network backup, and backup data to public clouds
Backup tools DSM configuration backup, macOS Time Machine support, Cloud Station Backup
Shared folder sync – maximum task number: 4
Snapshot Replication • Maximum of shared folder snapshots: 256
• Maximum of Replication: 16
Productivity & Collaboration
Collaborate with instant message service Chat, online editor Office, and scheduling assistant Calendar
• Chat maximum user: 500
• Office maximum user: 200
• Calendar: support CalDAV and access via mobile devices
Note Station Rich-text note organization and versioning, encryption, sharing, media embedding and attachments
Moments Support smart AI album with facial and subject recognition, similar photo detection, and photo editing and sharing features. Mobile
applications are available on iOS and Android devices.
Other packages Video Station, Photo Station, Audio Station, iTunes® Server
Surveillance Station Maximum IP camera: 30 (total of 900 FPS at 720p, H.264) (Including two free camera licenses; additional cameras require the purchasing of
VPN Server Maximum connection: 20, supported VPN protocol: PPTP, OpenVPN™, L2TP/IPSec
Mail Server Supported Mail Server Protocols: POP3, SMTP, IMAP, Support LDAP/AD account
Mail Station Webmail interface for Mail Server to receive emails from multiple POP3 mailboxes, customizable SMTP server
Web Station Virtual host (up to 30 websites), PHP/MariaDB®, third-party applications support
Other packages DNS Server, RADIUS Server, Log Center
Storage Analyzer Volume and quota usage, total size of files, volume usage and trends based on past usage, size of shared folders, large files, most recently
modified files, least recently accessed files
Antivirus Essential Full system scan, scheduled scan, white list customization, virus definition auto update
Other packages Additional 3rd-party packages available on Package Center
Environment and Packaging
Environment safety RoHS compliant
• RS819 main unit x 1
• Quick Installation Guide x 1
• Accessory pack x 1
• AC power cord x 1
• Synology Expansion Unit RX418
• VisualStation VS360HD, VS960HD
• Surveillance Device License Pack
• Rail Kit RKM114-Rail Kit Mounted / RKS1317-Rail Kit Sliding
Warranty 3 years5
*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 configuration.
2. RS819 supports one Synology expansion unit RX418, sold separately.
3. exFAT Access is purchased separately in Package Center.
4. System snapshot includes snapshots taken by iSCSI Manager and Snapshot Replication. Availability of these packages varies by model.
5. 5-year warranty is available as an optional bundle with EW201, 2-year Extended Warranty service add-on. Visit https://www.synology.com/products/Extended_Warranty for
more information on availability. The warranty period starts from the purchase date as stated on your purchase receipt. Visit https://www.synology.com/company/legal/
warranty for more information.
Synology Inc. 9F., No.1, Yuandong Rd., Banqiao Dist., New Taipei City 220, Taiwan Tel: +886 2 2955 1814 Fax: +886 2 2955 1884
Synology creates network-attached storage, IP surveillance solutions, and network equipment that transform the way users manage data, conduct surveillance, and
manage networks in the cloud era. By taking full advantage of the latest technologies, Synology aims to help users centralize data storage and backup, share files
on-the-go, implement professional surveillance solutions, and manage networks in reliable and affordable ways. Synology is committed to delivering products with
forward-thinking features and the best in class customer services.
Copyright © 2019, Synology Inc. All rights reserved. Synology, the Synology logo are trademarks or registered trademarks of Synology Inc. Other product and
company names mentioned herein may be trademarks of their respective companies. Synology may make changes to specification and product descriptions at
anytime, without notice.
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Unit 5 Danbury Court, Linford Wood,
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