Ultra-performance NAS optimized for intensive tasks and encryption

Featuring a quad-core processor, hardware encryption engine, and flawless software integration, DS1815+ is a powerful, expandable 8-bay NAS server that delivers outstanding speed and accelerated data encryption. Easily scalable, the DS1815+ can be equipped with up to 6GB of DDR3 RAM and host up to 180TB of raw capacity with two Synology DX513 units.

Easy installation, hassle-free maintenance

Easy installation and hot-swappable hard drive support ensures easy maintenance and continuous service uptime should a hard drive need replacement. In addition, DS1815+ incorporates a passive cooling design to reduce dependency on the dedicated processor cooling fan, thus mitigating any critical point of failure. When the system detects a fan failure, the built-in redundancy mechanism ensures continuous operation until the replacement fan arrives.

Quad-core CPU for blazing-fast performance

DS1815+ is powered by a quad-core CPU running at 2.4 GHz. Combined with 2GB of DDR3 RAM (expandable to 6GB), it delivers blazing-fast performance over 450 MB/s reading and 412 MB/s writing.1 That much power makes it easy for DS1815+ to multitask and provide consistently high throughput to all connected clients.

Fit into business environments easily

With the support of Windows AD, LDAP, and Domain Trust, DS1815+ enables seamless account integration. The User Home feature can automatically create a “home” folder for every user account to minimize the administrator’s effort in repeatedly creating “home” folders for all accounts. Windows ACL support on DS1815+ allows IT administrators to fine tune access controls and set up privileges to files and folders on DS1815+ through the familiar Windows user interface. With compatibility for major protocols, DS1815+ can eliminate server configuration overhead and enhance IT administrators’ efficiency.

Effective backup solution

  • Uninterrupted availability is a critical goal for all businesses. DS1815+ supports Synology High Availability (SHA) technology which combines an active and passive server into one cluster, the former always mirrored to the latter. The Heartbeat mechanism detects regular ``heartbeats`` between the two servers. If the main server encounters unexpected downtime, the passive server immediately takes over. With multiple LAN ports, DS1815+ also ensures redundancy in the event of unexpected network failure.

Easy installation, hassle-free maintenance

  • Easy installation and hot-swappable hard drive support ensures easy maintenance and continuous service uptime should a hard drive need replacement. In addition, DS1815+ incorporates a passive cooling design to reduce dependency on the dedicated processor cooling fan, thus mitigating any critical point of failure. When the system detects a fan failure, the built-in redundancy mechanism ensures continuous operation until the replacement fan arrives.

Quad LAN ports for failover and Link Aggregation support

  • Equipped with four Ethernet ports featuring failover and Link Aggregation support, DS1815+ ensures continual network uptime even if LAN connection malfunction occurs on one port, reducing the chance of service disruption and costly downtime. Link Aggregation improves connection speeds beyond the limits of a single network cable or port.
Hardware Specifications
CPU
CPU ModelIntel Atom C2538
CPU Architecture64-bit
CPU FrequencyQuad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory2 GB DDR3
Memory Module Pre-installed2 GB x 1
Total Memory Slots2
Memory Expandable up to6 GB (2 GB + 4 GB)
Storage
Drive Bay(s)8
Maximum Drive Bays with Expansion Unit18
Compatible Drive Type* (See all supported drives)3.5" SATA III / SATA II HDD
2.5" SATA III / SATA II HDD
2.5" SATA III / SATA II SSD
Maximum Internal Raw Capacity80 TB (10 TB HDD x 8) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units180 TB (10 TB HDD x 18) (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.
For the optimal SSD cache performance, please see here.
External Ports
USB 3.0 Port4
eSATA Port2
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)157 mm x 340 mm x 233 mm 
Weight5.29 kg 
Others
RJ-45 1GbE LAN Port4 (with Link Aggregation / Failover support)
Wake on LAN/WAN
System Fan120 mm x 120 mm x 2 pcs
Fan Speed ModeCool Mode
Quiet Mode
Easy Replacement System Fan
Wireless Support (dongle)
Power Recovery
Noise Level*24.3 dB(A) 
Scheduled Power On/Off
Power Supply Unit / Adapter250W 
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*45.88 W (Access) 
25.23 W (HDD Hibernation) 
British Thermal Unit156.55 BTU/hr (Access) 
86.09 BTU/hr (HDD Hibernation) 
Environment Temperature
Operating Temperature5°C to 35°C (40°F to 95°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
CertificationFCC Class B
CE Class B
BSMI Class B
Warranty3 Years
NotesPower consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS 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 Number32
Maximum iSCSI LUN256
iSCSI LUN Clone/Snapshot, Windows ODX
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
Volume Expansion by Adding a HDDSynology Hybrid RAID
RAID 5
RAID 6
JBOD
Global Hot Spare Supported RAID TypeSynology Hybrid RAID
RAID 1
RAID 5
RAID 6
RAID 10
SSD Support
SSD Read/Write Cache (White Paper)
SSD TRIM
File Sharing Capacity
Maximum Local User Accounts2048
Maximum Local Groups256
Maximum Shared Folder512
Maximum Shared Folder Sync Tasks8
Maximum Concurrent CIFS/AFP/FTP Connections512
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second800
Virtualization
VMware vSphere 5 with VAAI
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Citrix Ready
Citrix Ready
OpenStack
Add-on Packages
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users 400
NotesThe number of concurrent HTTP connections for Chat was configured to the maximum.
CPU and RAM usage were both under 80% when testing the recommended number of clients.
For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Maximum Concurrent File Transfers512
Maximum Concurrent File Transfers(with RAM expansion)1500
Docker DSM
Maximum Docker DSM Number (Licenses required)10 (including 1 Free License) (Learn more)
Document Viewer
Download Station
Maximum Concurrent Download Tasks80
exFAT Access (optional)
HiDrive Backup
MailPlus / MailPlus Server
Free Email Accounts5 (Licenses required for additional accounts)
Recommended MailPlus Client NumberUp to 150
Maximum Server Performance362,000 emails per day, approx. 11.7 GB
NotesThe CPU and RAM usages were both under 80% when testing recommended client numbers.
For tested models with expandable memory, the maximum amount of RAM was installed.
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 Certification
Snapshot Replication
Maximum Snapshots per Shared Folder1024
Maximum Snapshots of all Shared Folder65536
SpreadSheet
Maximum Simultaneous Editing Users140
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) 
480 FPS @ 1080p (1920×1080) 
250 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944)
Total FPS (MJPEG)*300 FPS @ 720p (1280x720) 
150 FPS @ 1080p (1920×1080) 
100 FPS @ 3M (2048x1536) 
60 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.
Video Station
Video TranscodingGroup 1 - Type 1 (See more)
Maximum Transcoding Channel Number1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual DSM Manager
VPN Server
Maximum Connections20
Environment & Packaging
EnvironmentRoHS Compliant
Packaging ContentMain Unit X 1
Welcome Note X 1
Accessory Pack X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Optional AccessoriesRemote
Camera License Pack
4GB DDR3 RAM Module
Expansion Unit: DX213 X 2
Expansion Unit: DX513 X 2
VS360HD
+
Overview

Effective backup solution

  • Uninterrupted availability is a critical goal for all businesses. DS1815+ supports Synology High Availability (SHA) technology which combines an active and passive server into one cluster, the former always mirrored to the latter. The Heartbeat mechanism detects regular ``heartbeats`` between the two servers. If the main server encounters unexpected downtime, the passive server immediately takes over. With multiple LAN ports, DS1815+ also ensures redundancy in the event of unexpected network failure.

Easy installation, hassle-free maintenance

  • Easy installation and hot-swappable hard drive support ensures easy maintenance and continuous service uptime should a hard drive need replacement. In addition, DS1815+ incorporates a passive cooling design to reduce dependency on the dedicated processor cooling fan, thus mitigating any critical point of failure. When the system detects a fan failure, the built-in redundancy mechanism ensures continuous operation until the replacement fan arrives.

Quad LAN ports for failover and Link Aggregation support

  • Equipped with four Ethernet ports featuring failover and Link Aggregation support, DS1815+ ensures continual network uptime even if LAN connection malfunction occurs on one port, reducing the chance of service disruption and costly downtime. Link Aggregation improves connection speeds beyond the limits of a single network cable or port.
+
Specifications
Hardware Specifications
CPU
CPU ModelIntel Atom C2538
CPU Architecture64-bit
CPU FrequencyQuad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory2 GB DDR3
Memory Module Pre-installed2 GB x 1
Total Memory Slots2
Memory Expandable up to6 GB (2 GB + 4 GB)
Storage
Drive Bay(s)8
Maximum Drive Bays with Expansion Unit18
Compatible Drive Type* (See all supported drives)3.5" SATA III / SATA II HDD
2.5" SATA III / SATA II HDD
2.5" SATA III / SATA II SSD
Maximum Internal Raw Capacity80 TB (10 TB HDD x 8) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units180 TB (10 TB HDD x 18) (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.
For the optimal SSD cache performance, please see here.
External Ports
USB 3.0 Port4
eSATA Port2
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)157 mm x 340 mm x 233 mm 
Weight5.29 kg 
Others
RJ-45 1GbE LAN Port4 (with Link Aggregation / Failover support)
Wake on LAN/WAN
System Fan120 mm x 120 mm x 2 pcs
Fan Speed ModeCool Mode
Quiet Mode
Easy Replacement System Fan
Wireless Support (dongle)
Power Recovery
Noise Level*24.3 dB(A) 
Scheduled Power On/Off
Power Supply Unit / Adapter250W 
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*45.88 W (Access) 
25.23 W (HDD Hibernation) 
British Thermal Unit156.55 BTU/hr (Access) 
86.09 BTU/hr (HDD Hibernation) 
Environment Temperature
Operating Temperature5°C to 35°C (40°F to 95°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
CertificationFCC Class B
CE Class B
BSMI Class B
Warranty3 Years
NotesPower consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS 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 Number32
Maximum iSCSI LUN256
iSCSI LUN Clone/Snapshot, Windows ODX
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
Volume Expansion by Adding a HDDSynology Hybrid RAID
RAID 5
RAID 6
JBOD
Global Hot Spare Supported RAID TypeSynology Hybrid RAID
RAID 1
RAID 5
RAID 6
RAID 10
SSD Support
SSD Read/Write Cache (White Paper)
SSD TRIM
File Sharing Capacity
Maximum Local User Accounts2048
Maximum Local Groups256
Maximum Shared Folder512
Maximum Shared Folder Sync Tasks8
Maximum Concurrent CIFS/AFP/FTP Connections512
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second800
Virtualization
VMware vSphere 5 with VAAI
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Citrix Ready
Citrix Ready
OpenStack
Add-on Packages
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users 400
NotesThe number of concurrent HTTP connections for Chat was configured to the maximum.
CPU and RAM usage were both under 80% when testing the recommended number of clients.
For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Maximum Concurrent File Transfers512
Maximum Concurrent File Transfers(with RAM expansion)1500
Docker DSM
Maximum Docker DSM Number (Licenses required)10 (including 1 Free License) (Learn more)
Document Viewer
Download Station
Maximum Concurrent Download Tasks80
exFAT Access (optional)
HiDrive Backup
MailPlus / MailPlus Server
Free Email Accounts5 (Licenses required for additional accounts)
Recommended MailPlus Client NumberUp to 150
Maximum Server Performance362,000 emails per day, approx. 11.7 GB
NotesThe CPU and RAM usages were both under 80% when testing recommended client numbers.
For tested models with expandable memory, the maximum amount of RAM was installed.
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 Certification
Snapshot Replication
Maximum Snapshots per Shared Folder1024
Maximum Snapshots of all Shared Folder65536
SpreadSheet
Maximum Simultaneous Editing Users140
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) 
480 FPS @ 1080p (1920×1080) 
250 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944)
Total FPS (MJPEG)*300 FPS @ 720p (1280x720) 
150 FPS @ 1080p (1920×1080) 
100 FPS @ 3M (2048x1536) 
60 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.
Video Station
Video TranscodingGroup 1 - Type 1 (See more)
Maximum Transcoding Channel Number1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual DSM Manager
VPN Server
Maximum Connections20
Environment & Packaging
EnvironmentRoHS Compliant
Packaging ContentMain Unit X 1
Welcome Note X 1
Accessory Pack X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Optional AccessoriesRemote
Camera License Pack
4GB DDR3 RAM Module
Expansion Unit: DX213 X 2
Expansion Unit: DX513 X 2
VS360HD
+
Photos