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 Model Intel Pentium D1508
CPU Architecture 64-bit
CPU Frequency Dual Core 2.2 GHz 2.2 (base) / 2.6 (turbo) GHz
Hardware Encryption Engine (AES-NI) Yes
Memory  
System Memory 8 GB DDR4 ECC SO-DIMM
Memory Module Pre-installed 8GB (1 x 8GB)
Total Memory Slots 2
Memory Expandable up to 32 GB (16 GB x 2)
Storage  
Drive Bays 6
Maximum Drive Bays with Expansion Unit 30
  3.5″ SATA HDD
  2.5″ SATA HDD
  2.5″ SATA SSD
Maximum Internal Raw Capacity 60 TB (10 TB drive x 6) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 300 TB (10 TB drive x 30) (Capacity may vary by RAID types)
Maximum Single Volume Size 200 TB (32GB RAM required, for RAID 5 or RAID 6 groups only)
  108 TB
Hot Swappable Drive Yes
External Ports  
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 3
Expansion Port 2
PCIe  
PCIe Expansion 1 x Gen3 x8 slot (x8 link)
Add-in-card support M2D17 – Dual M.2 SSD adapter card for SSD cache
  PCIe Network Interface Card
Notes DS3018xs with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
File System  
Internal Drives Btrfs
  EXT4
External Drives Btrfs
  EXT4
  EXT3
  FAT
  NTFS
  HFS+
  exFAT*
Notes exFAT Access is purchased separately in Package Center.
Appearance  
Size (Height x Width x Depth) 166 mm x 282 mm x 243 mm
Weight 5.2 kg
Others  
System Fan 92 mm x 92 mm x 2 pcs
Fan Speed Mode Full-Speed Mode
  Cool Mode
  Quiet Mode
Easy Replacement System Fan Yes
Brightness adjustable front LED indicators Yes
Power Recovery Yes
Noise Level* 25.5 dB(A)
Scheduled Power On/Off Yes
Wake on LAN/WAN Yes
Power Supply Unit / Adapter 250W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 126.89 W (Access)
  56.92 W (HDD Hibernation)
British Thermal Unit 433.27 BTU/hr (Access)
  194.35 BTU/hr (HDD Hibernation)
Environment Temperature  
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
Certification FCC Class B
  CE Class B
  BSMI Class B
Warranty 5 Years
Notes Power 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 Number 1024
Maximum iSCSI Target Number 64
Maximum iSCSI LUN 512
iSCSI LUN Clone/Snapshot, Windows ODX Yes
RAID Group  
Supported RAID Type RAID F1
  Basic
  JBOD
  RAID 0
  RAID 1
  RAID 5
  RAID 6
  RAID 10
RAID Migration Basic to RAID 1
  Basic to RAID 5
  RAID 1 to RAID 5
  RAID 5 to RAID 6
Volume Expansion with Larger HDDs RAID F1
  RAID 1
  RAID 5
  RAID 6
Volume Expansion by Adding a HDD RAID F1
  RAID 5
  RAID 6
  JBOD
Global Hot Spare Supported RAID Type RAID F1
  RAID 1
  RAID 5
  RAID 6
  RAID 10
SSD Support  
SSD Read/Write Cache  
SSD TRIM Yes
File Sharing Capacity  
Maximum Local User Accounts 16000
Maximum Local Groups 512
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 16
Maximum Concurrent CIFS/AFP/FTP Connections 2000
Windows Access Control List (ACL) Integration Yes
NFS Kerberos Authentication Yes
High Availability Manager Yes
Log Center Yes
Syslog Events per Second 1500
Virtualization  
VMware vSphere 6 with VAAI Yes
Windows Server 2012 Yes
Windows Server 2012 R2 Yes
Citrix Ready Yes
OpenStack Yes
Antivirus by McAfee (Trial) Yes
Central Management System Yes
Chat Yes
Maximum Users 2000
Notes The 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 Server Yes
Maximum Number of Concurrently Connected Devices 2000
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 Viewer Yes
Download Station Yes
Maximum Concurrent Download Tasks 80
exFAT Access (optional) Yes
MailPlus / MailPlus Server Yes
Free Email Accounts 5 (Licenses required for additional accounts)
Recommended MailPlus Client Number Up to 200 (Btrfs) / 200 (EXT4)
Maximum Server Performance 1,616,000 (Btrfs) / 1,782,000 (EXT4) emails per day, approx. 49.31 GB (Btrfs) / 54.38 GB (EXT4)
Media Server Yes
DLNA Compliance Yes
Office Yes
Maximum Users 400
Maximum Simultaneous Editing Users 80
PetaSpace Yes
Snapshot Replication Yes
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station Yes
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)
Notes Surveillance 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 Yes
Video Transcoding Group 1 – Type 1
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
VPN Server Yes
Maximum Connections 30
Environment & Packaging  
Environment RoHS Compliant
Packaging Content Main Unit X 1
  Accessory Pack X 1
  AC Power Cord X 1
  RJ-45 LAN Cable X 2
  Quick Installation Guide X 1
Optional Accessories Surveillance 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