DiskStation DS3018xs

Description

Hardware Specification

CPU

CPU ModelIntel Pentium D1508
 CPU Architecture64-bit
 CPU FrequencyDual Core 2.2 (base) / 2.6 (turbo) GHz
 Hardware Encryption Engine (AES-NI)

Memory

System Memory8 GB DDR4 ECC SO-DIMM
 Memory Module Pre-installed8 GB (8 GB x 1)
 Total Memory Slots2
 Memory Expandable up to32 GB (16 GB x 2)
 Notes
  • Synology 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.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.

Storage

Drive Bays6
 Maximum Drive Bays with Expansion Unit30
 Compatible Drive Type* (See all supported drives)
  • 3.5″ SATA HDD
  • 2.5″ SATA HDD
  • 2.5″ SATA SSD
 Maximum Internal Raw Capacity96 TB (16 TB drive x 6) (Capacity may vary by RAID types)
 Maximum Raw Capacity with Expansion Units480 TB (96 TB + 16 TB drive x 24) (Capacity may vary by RAID types)
 Maximum Single Volume Size*
  • 200 TB (32 GB RAM required, for RAID 5 or RAID 6 groups only)
  • 108 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)
  • Each internal volume (may consist of multiple drives) is expandble up to 108TB (with memory less than 32GB) or 200TB (with memory equal to or greater than 32GB).

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 Support
  • PCIe Network Interface Card (Learn more)
  • M2D18 – Dual M.2 SATA/NVMe SSD adapter card for SSD cache

File System

Internal Drives
  • Btrfs
  • EXT4
 External Drives
  • Btrfs
  • 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 Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
 Easy Replacement System Fan
 Brightness Adjustable Front LED Indicators
 Power Recovery
 Noise Level*25.5 dB(A)
 Scheduled Power On / Off
 Wake on LAN / WAN
 Power Supply Unit / Adapter250 W
 AC Input Power Voltage100 V to 240 V AC
 Power Frequency50/60 Hz, Single Phase
 Power Consumption*79.44 W (Access)
56.92 W (HDD Hibernation)
 British Thermal Unit271.24 BTU/hr (Access)
194.35 BTU/hr (HDD Hibernation)
 Notes
  • Power consumption is measured when it’s fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%

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

Certification

  • EAC
  • VCCI
  • RCM
  • KC
  • FCC
  • CE
  • BSMI

Warranty

5 Years
 NotesThe warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

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

  • D4ECSO-2400-16G DDR4 ECC SO-DIMM*
  • Surveillance Device License Pack
  • Expansion Unit: DX1215 X 2
  • Synology Ethernet Adapter E10G17-F2
  • Synology Ethernet Adapter E10G18-T1
  • Synology Ethernet Adapter E10G18-T2
  • Synology M2D18 M.2 SSD adapter card
  • VS360HD
  • VS960HD
 NotesIf multiple memory modules of different frequency are installed in the same system, all memory modules will be operated at the lowest frequency available.

DSM Specifications(Software specs.)

 

Storage Management

 Maximum Internal Volume Number256
 Maximum iSCSI Target Number256
 Maximum iSCSI LUN512
 iSCSI LUN Clone/Snapshot, Windows ODX
 SSD Read / Write Cache (White Paper)
 SSD TRIM
 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
  • RAID 10
 Volume Expansion by Adding a HDD
  • RAID F1
  • JBOD
  • RAID 5
  • RAID 6
 Global Hot Spare Supported RAID Type
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10

File Services

 File ProtocolCIFS/AFP/NFS/FTP/WebDAV
 Maximum Concurrent CIFS/AFP/FTP Connections2,000
 Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)8,000
 Windows Access Control List (ACL) Integration
 NFS Kerberos Authentication

Account & Shared Folder

 Maximum Local User Accounts16,000
 Maximum Local Groups512
 Maximum Shared Folder512
 Maximum Shared Folder Sync Tasks32

High Availability

 Synology High Availability

Log Center

 Syslog Events per Second1,500

Virtualization

 VMware vSphere 6 with VAAI
 Windows Server 2012
 Windows Server 2012 R2
 Windows Server 2016
 Citrix Ready
 OpenStack

General Specifications

 Networking ProtocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
 Supported Browsers
  • Chrome
  • Firefox
  • Edge
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
 Supported LanguageEnglish, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文

Add-on Packages view the complete package list

 

Antivirus by McAfee (Trial)

 

Central Management System

 

Synology Chat

 Maximum Users2,000
 Notes
  • The number of concurrent HTTP connections for Synology 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

 Recommended Number of Hosted Files1,000,000
 Recommended Number of Concurrent Sync Clients2,000 (the number of connections that can be maintained when the recommended number of hosted files was reached)
 Notes
  • The 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)

 

Synology MailPlus / MailPlus Server

 Free Email Accounts5 (Licenses required for additional accounts)
 Maximum Number of Concurrent Users200
 Maximum Server Performance1,909,000 emails per day, approx. 58GB
 Notes
  • The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
  • 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 Compliance

Moments

 Facial Recognition
 Subject Recognition
 Auto Color & Rotate
 Moments Select

PetaSpace

 

Snapshot Replication

 Maximum Snapshots per Shared Folder1,024
 Maximum of System Snapshots65,536

Surveillance Station

 Maximum IP cam (Licenses required)75 (including 2 Free License) (See All Supported IP Cameras)
 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.

Synology Drive

 Recommended Number of Hosted Files1,000,000 (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 Sync Clients550 (the number of connections that can be maintained when the recommended number of hosted files was reached)
 Notes
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Exceeding 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 Users2,900
 Notes
  • Multiple 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 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 Machine Manager

 Recommended Virtual Machine Instances(Learn more)
 Recommended Virtual DSM Number (Licenses required)4 (including 1 Free License)
 Notes
  • Virtual Machine Manager is not supported on hosts running Synology High Availability.
  • The specifications vary depending on system configuration and memory size.

VPN Server

 

 Maximum Connections40

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