DS1019+

DiskStation DS1019+

Scalable 5-bay NAS for small offices and IT enthusiasts

Versatile Storage in a Compact Desktop Chassis

Capable of transcoding up to 2-channel, 4K video simultaneously, DS1019+ provides a remarkable video streaming experience for advanced home users. Its versatile built-in applications including collaboration, file sharing, data backup and recovery also fulfill SOHO users’ various needs, accelerate office productivity, it is even ready for virtualization deployment.

CPU
Quad-core 1.5GHz burst up to 2.3GHz

Memory
2 x 4GB DDR3L memory module pre-installed

Scalability
Up to 10 drives with one DX517

Performance
Over 225 MB/s reading and writing in encrypted1

A Perfect Mixture of Scalability and Performance

DS1019+ comes with dual native M.2 NVMe SSD slots, allowing you to build NVMe SSD cache without occupying any of the drive trays. You can also scale up to 10 drives with one DX517 expansion unit, seamlessly expanding your storage capacity.

Engineered for reliability, backed by Synology

DS1019+ is designed to reliably store your data and is backed by Synology’s three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage.

Ultimate Backup Solution

DS1019+ integrates various backup applications to safeguard your important data on any device with an intuitive user interface and durable storage technologies.

Active Backup for Business

Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.

Hyper Backup

Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.

Desktop Backup

Safeguard your PC with Cloud Station Backup. Effortlessly back up data stored on macOS to Synology NAS with Time Machine.

Active Backup for
Office 365 / G Suite

Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

4K Multimedia Server

Access and stream your 4K media content anytime and anywhere. DS918+ supports 4K H.264/H.265 online transcoding via Video Station and DS video, allowing 4K videos to be converted and played on the fly on other computers, smartphones, and media players that originally do not support Ultra HD formats.

Next-generation file system for better data protection

The Btrfs file system introduces advanced storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools.

Flexible Shared Folder / User Quota System provides comprehensive quota control on user accounts and shared folders

Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots

 
File- or folder-level data restoration accelerates data recovery, providing more flexibility for businesses

 
Automatic file self-healing detects and recovers corrupted files without user intervention

DSM UI

Award-winning operating system with an intuitive user interface and powerful capabilities.

Snapshot Replication

Provides schedulable and instantaneous data protection for shared folders and virtual machines on iSCSI LUNs in the event of disaster.

Security

Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.

File Server/Management

Powerful built-in file management and sharing services.

Public Cloud Integration

Backup and synchronize data easily between your public cloud accounts and your NAS.

All-in-one server

Save additional investment by integrating various network services, web/mail services, management applications into your NAS.

Hardware Specifications 
CPU
CPU ModelIntel Celeron J3455
CPU Architecture64-bit
CPU FrequencyQuad Core 1.5 burst up to 2.3 GHz
Hardware Encryption Engine (AES-NI)
Hardware Transcoding EngineH.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
Memory
System Memory8 GB DDR3L
Memory Module Pre-installed8 GB (4 GB x 2)
Total Memory Slots2
Memory Expandable up to8 GB (4 GB x 2)
NotesSynology 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 Bays5
Maximum Drive Bays with Expansion Unit10
M.2 Drive Slots2 (NVMe)
Compatible Drive Type* (See all supported drives)3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
M.2 2280 NVMe SSD
Maximum Internal Raw Capacity70 TB (14 TB drive x 5) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units140 TB (70 TB + 14 TB drive x 5) (Capacity may vary by RAID types)
Maximum Single Volume Size108 TB
Hot Swappable Drive
Notes"Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
External Ports
RJ-45 1GbE LAN Port2 (with Link Aggregation / Failover support)
USB 3.0 Port2
eSATA Port1
File System
Internal DrivesBtrfs
EXT4
External DrivesBtrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT*
NotesexFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth)166 mm x 230 mm x 223 mm 
Weight2.54 kg 
Others
System Fan92 mm x 92 mm x 2 pcs
Fan Speed ModeFull-Speed Mode
Cool Mode
Quiet Mode
Brightness adjustable front LED indicators
Power Recovery
Noise Level*20.8 dB(A) 
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter120W 
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*38.59 W (Access) 
13.32 W (HDD Hibernation) 
British Thermal Unit131.67 BTU/hr (Access) 
45.45 BTU/hr (HDD Hibernation) 
Environment Temperature
Operating Temperature0°C to 40°C (32°F to 104°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
CertificationEAC
VCCI
CCC
RCM
FCC
CE
BSMI
Warranty3 Year Hardware Warranty, Extendable to 5 Year Coverage - EW201
NotesPower consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number512
Maximum iSCSI Target Number128
Maximum iSCSI LUN256
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache (White Paper)
SSD TRIM
Supported RAID TypeSynology Hybrid RAID
Basic
JBOD
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10
RAID MigrationBasic to RAID 1
Basic to RAID 5
RAID 1 to RAID 5
RAID 5 to RAID 6
Volume Expansion with Larger HDDsSynology Hybrid RAID
RAID 1
RAID 5
RAID 6
RAID 10
Volume Expansion by Adding a HDDSynology Hybrid RAID
JBOD
RAID 5
RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID TypeSynology Hybrid RAID
RAID 1
RAID 5
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)
File Services
File ProtocolCIFS/AFP/NFS/FTP/WebDAV
Maximum Concurrent CIFS/AFP/FTP Connections2000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Account & Shared Folder
Maximum Local User Accounts2048
Maximum Local Groups256
Maximum Shared Folder512
Maximum Shared Folder Sync Tasks32
High Availability Manager
Log Center
Syslog Events per Second800
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2016
Citrix Ready
OpenStack
Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users1500
NotesThe number of concurrent HTTP connections for Chat was configured to the maximum.
CPU and RAM usage were both under 80% when the number of maximum users was reached.
Cloud Station Server
Maximum Number of Concurrently Connected Devices2000
Maximum Number of Hosted Files (btrfs)500000
Maximum Number of Hosted Files (ext4)500000
NotesThe maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
Download Station
Maximum Concurrent Download Tasks80
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts5 (Licenses required for additional accounts)
Maximum number of concurrent usersUp to 100
Maximum Server Performance1,052,000 emails per day, approx. 32GB
NotesThe CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance
Moments
Facial recognition
Subject recognition
Auto Color & Rotate
Moments Select
Snapshot Replication
Maximum Snapshots per Shared Folder1024
Maximum of system snapshots65536
Surveillance Station
Maximum IP cam (Licenses required)40 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)*1200 FPS @ 720p (1280x720) 
840 FPS @ 1080p (1920×1080) 
550 FPS @ 3M (2048x1536) 
300 FPS @ 5M (2591x1944) 
180 FPS @ 4K (3840x2160)
Total FPS (H.265)*1200 FPS @ 720p (1280x720) 
1200 FPS @ 1080p (1920×1080) 
900 FPS @ 3M (2048x1536) 
550 FPS @ 5M (2591x1944) 
300 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*720 FPS @ 720p (1280x720) 
500 FPS @ 1080p (1920×1080) 
330 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944)
NotesSurveillance 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 Files500,000 (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 Clients450 (the number of connections that can be maintained when the recommended number of hosted files was reached)
NotesExceeding the limits above may result in longer response time in file operations.
Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Users1800
NotesMultiple files were opened for testing and each file was edited by 30 users simultaneously.
CPU and RAM usage were both under 80% when the number of maximum users was reached.
For tested models with expandable memory, the maximum amount of RAM was installed.
Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station
Video Transcoding4K Group 1 (See more)
Maximum Transcoding Channel Number2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or 
2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1
Virtual Machine Manager
Recommended Virtual Machine Instances4 (Learn more)
Recommended Virtual DSM Number(Licenses required)4 (including 1 Free License)
NotesVirtual Machine Manager is not supported on hosts running Synology High Availability. 
The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections30
Environment & Packaging
EnvironmentRoHS Compliant
Packaging ContentMain Unit X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1
Optional AccessoriesSurveillance Device License Pack
D3NS1866L-4G DDR3 non-ECC SO-DIMM
Expansion Unit: DX517 X 1
VS360HD
VS960HD