DS3018xs

DiskStation DS3018xs

Powerful 6-bay NAS designed for work-intensive businesses

High-performance NAS server with flexibility to scale

Synology DiskStation DS3617xs is a high-performance NAS server with easy scalability. Equipped with quad-core Xeon® D processor and 16GB DDR4 ECC RAM, DS3617xs delivers stunning reading and writing performance while ensuring data accuracy when handling mission-critical tasks.

CPU
Dual-core Turbo Boost up to 2.6 GHz

RAM options
8GB DDR4 ECC RAM, up to 32GB

Ultra Performance
2,231 MB/s reading, 265,000 sequential IOPS reading

Scalability
Up to 30 drives with two DX1215

Supercharge your storage with speedy performance

Equipped with dual-channel memory and a PCIe slot, DS3018xs supports installing the dual M.2 SSD adapter card, M2D17, or the 10GbE NIC, for high-IOPS system cache and ultra-fast data transmission respectively.

SSD

Dual M.2 SATA SSD slot, compatible with 2280/2260/2242 form factors

10GbE

10GbE network capacity for bandwidth intensive environments

5 Year Warranty

Synology’s 5-year limited warranty provides hardware replacement and technical support via email and telephone services, maximizing your enterprises’ return on investment.

Synology Replacement Services(SRS)

SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity.

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

Fully certified storage virtualization solutions

Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.

Digital asset protection

Powered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes.

Security Advisor

Analyzes system settings, password strength, network preferences, and removes any possible malware.

AppArmor

A kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.

AES 256-bit encryption

Encrypt shared folders and network data transmission to keep data from unauthorized access.

2-step verification

Prevent others from logging in to your DSM by generating a one-time password (OTP) on your mobile device.

Trust Level

Customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered package files.

CMS

Manage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency.

MailPlus

Secure, reliable, and private mail server solution with an intuitive and modern mail client.

Synology High Availability

Ensures seamless service transition between clustered servers in the event of a server failure.

Office

Collaborate on spreadsheets and documents on your private cloud.

Snapshot Replication

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

Surveillance Station

Complete surveillance solution for recording, monitoring, and management.

Hardware Specifications 
CPU 
CPU ModelIntel Pentium D1508
CPU Architecture64-bit
CPU FrequencyDual Core 2.2 GHz 2.2 (base) / 2.6 (turbo) GHz
Hardware Encryption Engine (AES-NI)Yes
Memory 
System Memory8 GB DDR4 ECC SO-DIMM
Memory Module Pre-installed8GB (1 x 8GB)
Total Memory Slots2
Memory Expandable up to32 GB (16 GB x 2)
Storage 
Drive Bays6
Maximum Drive Bays with Expansion Unit30
 3.5″ SATA HDD
 2.5″ SATA HDD
 2.5″ SATA SSD
Maximum Internal Raw Capacity60 TB (10 TB drive x 6) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units300 TB (10 TB drive x 30) (Capacity may vary by RAID types)
Maximum Single Volume Size200 TB (32GB RAM required, for RAID 5 or RAID 6 groups only)
 108 TB
Hot Swappable DriveYes
External Ports 
RJ-45 1GbE LAN Port4 (with Link Aggregation / Failover support)
USB 3.0 Port3
Expansion Port2
PCIe 
PCIe Expansion1 x Gen3 x8 slot (x8 link)
Add-in-card supportM2D17 - Dual M.2 SSD adapter card for SSD cache
 PCIe Network Interface Card
NotesDS3018xs with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
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 282 mm x 243 mm
Weight5.2 kg
Others 
System Fan92 mm x 92 mm x 2 pcs
Fan Speed ModeFull-Speed Mode
 Cool Mode
 Quiet Mode
Easy Replacement System FanYes
Brightness adjustable front LED indicatorsYes
Power RecoveryYes
Noise Level*25.5 dB(A)
Scheduled Power On/OffYes
Wake on LAN/WANYes
Power Supply Unit / Adapter250W
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*126.89 W (Access)
 56.92 W (HDD Hibernation)
British Thermal Unit433.27 BTU/hr (Access)
 194.35 BTU/hr (HDD Hibernation)
Environment Temperature 
Operating Temperature5°C to 40°C (40°F to 104°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
Warranty5 Years
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%
Storage Management 
Maximum Internal Volume Number1024
Maximum iSCSI Target Number64
Maximum iSCSI LUN512
iSCSI LUN Clone/Snapshot, Windows ODXYes
RAID Group 
Supported RAID TypeRAID F1
 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 HDDsRAID F1
 RAID 1
 RAID 5
 RAID 6
Volume Expansion by Adding a HDDRAID F1
 RAID 5
 RAID 6
 JBOD
Global Hot Spare Supported RAID TypeRAID F1
 RAID 1
 RAID 5
 RAID 6
 RAID 10
SSD Support 
SSD Read/Write Cache 
SSD TRIMYes
File Sharing Capacity 
Maximum Local User Accounts16000
Maximum Local Groups512
Maximum Shared Folder512
Maximum Shared Folder Sync Tasks16
Maximum Concurrent CIFS/AFP/FTP Connections2000
Windows Access Control List (ACL) IntegrationYes
NFS Kerberos AuthenticationYes
High Availability ManagerYes
Log CenterYes
Syslog Events per Second1500
Virtualization 
VMware vSphere 6 with VAAIYes
Windows Server 2012Yes
Windows Server 2012 R2Yes
Citrix ReadyYes
OpenStackYes
Antivirus by McAfee (Trial)Yes
Central Management SystemYes
ChatYes
Maximum Users2000
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.
 For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station ServerYes
Maximum Number of Concurrently Connected Devices2000
Maximum Number of Concurrently Connected Devices (with RAM expansion)8000
Maximum Number of Synced Files (btrfs)1,000,000 / single file reaction time 640 ms
Maximum Number of Synced Files (ext4)1,000,000 / single file reaction time 387 ms
Document ViewerYes
Download StationYes
Maximum Concurrent Download Tasks80
exFAT Access (optional)Yes
MailPlus / MailPlus ServerYes
Free Email Accounts5 (Licenses required for additional accounts)
Recommended MailPlus Client NumberUp to 200 (Btrfs) / 200 (EXT4)
Maximum Server Performance1,616,000 (Btrfs) / 1,782,000 (EXT4) emails per day, approx. 49.31 GB (Btrfs) / 54.38 GB (EXT4)
Media ServerYes
DLNA ComplianceYes
OfficeYes
Maximum Users400
Maximum Simultaneous Editing Users80
PetaSpaceYes
Snapshot ReplicationYes
Maximum Snapshots per Shared Folder1024
Maximum Snapshots of all Shared Folder65536
Surveillance StationYes
Maximum IP cam (Licenses required)75 (including 2 Free License)
Total FPS (H.264)*2250 FPS @ 720p (1280×720)
 1050 FPS @ 1080p (1920×1080)
 600 FPS @ 3M (2048×1536)
 450 FPS @ 5M (2591×1944)
 320 FPS @ 4K (3840×2160)
Total FPS (H.265)*2250 FPS @ 720p (1280×720)
 2250 FPS @ 1080p (1920×1080)
 1125 FPS @ 3M (2048×1536)
 600 FPS @ 5M (2591×1944)
 500 FPS @ 4K (3840×2160)
Total FPS (MJPEG)*600 FPS @ 720p (1280×720)
 360 FPS @ 1080p (1920×1080)
 240 FPS @ 3M (2048×1536)
 192 FPS @ 5M (2591×1944)
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 StationYes
Video TranscodingGroup 1 - Type 1
Maximum Transcoding Channel Number1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
VPN ServerYes
Maximum Connections30
Environment & Packaging 
EnvironmentRoHS Compliant
Packaging ContentMain Unit X 1
 Accessory Pack X 1
 AC Power Cord X 1
 RJ-45 LAN Cable X 2
 Quick Installation Guide X 1
Optional AccessoriesSurveillance Device License Pack
 16GB DDR4 ECC SO-DIMM
 Expansion Unit: DX1215 X 2
 VS360HD
 VS960HD
 Synology Ethernet Adapter E10G15-F1
 Synology Ethernet Adapter E10G17-F2
 Synology M2D17 M.2 SSD adapter card