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)
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
Compatible Drive Type* (See all supported drives)
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
Maximum Internal Raw Capacity 72 TB (12 TB drive x 6) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 360 TB (72 TB + 12 TB drive x 24) (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
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 single volume size is not directly related to the maximum raw capacity. (Learn more)
Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB or 200TB if upgraded to 32GB RAM or more.
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 (Learn more)
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
Brightness adjustable front LED indicators
Power Recovery
Noise Level* 25.5 dB(A)
Scheduled Power On/Off
Wake on LAN/WAN
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
EAC
VCCI
RCM
KC
FCC
CE
BSMI
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%
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number 1024
Maximum iSCSI Target Number 64
Maximum iSCSI LUN 512
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
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
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
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second 1500
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Citrix Ready
OpenStack
Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial)
Central Management System
Chat
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
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
Notes
The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing.
File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing.
Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
Download Station
Maximum Concurrent Download Tasks 80
Drive
Maximum Number of Synced Files 1,000,000 / single file reaction time 437 ms
Maximum Number of Concurrent Connections for PC Clients 550
Notes
The Btrfs file system was used for the purpose of testing.
The maximum number of concurrent connections refers to the maximum number of connections that could be maintained when the maximum number of synced files was reached.
File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS.
For tested models with expandable memory, the maximum amount of RAM was installed.
Non-encrypted shared folders were used during the aforementioned testing.
exFAT Access (optional)
MailPlus / MailPlus Server
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)
Notes
The 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 Compliance
Moments
Facial recognition
Subject recognition
Office
Maximum Users 2900
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
PetaSpace
Snapshot Replication
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station
Maximum IP cam (Licenses required) 75 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 2250 FPS @ 720p (1280x720)
1050 FPS @ 1080p (1920×1080)
600 FPS @ 3M (2048x1536)
450 FPS @ 5M (2591x1944)
320 FPS @ 4K (3840x2160)
Total FPS (H.265)* 2250 FPS @ 720p (1280x720)
2250 FPS @ 1080p (1920×1080)
1125 FPS @ 3M (2048x1536)
600 FPS @ 5M (2591x1944)
500 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 600 FPS @ 720p (1280x720)
360 FPS @ 1080p (1920×1080)
240 FPS @ 3M (2048x1536)
192 FPS @ 5M (2591x1944)
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
Video Transcoding Group 1 - Type 1 (See more)
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Maximum Virtual DSM Number (Licenses required) 4 (including 1 Free License) (Learn more)
Notes Virtual Machine Manager is not supported on hosts running Synology High Availability.
VPN Server
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
RAMEC2133DDR4SO-16G 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

Synology Diskstation DS3018xs provides a reliable and powerful attached storage solution for small and medium business. As the storage can be supercharged with the optoinal M.2 SSD adapter card for dual SSD as cache , it is the ideal solution for simplifying data management and planning virtualization deployment. Synology DS3018xs is backed with Synology's 5-year limited warranty.


Specification:

•CPU Frequency: Intel Pentium dual-core 2.2Ghz, burst up to 2.6Ghz
•Floating Point
•Memory: DDR4 SO-DIMM RAM 8GB (Expandable, up to 32GB
•Internal HDD/SSD: 3.5" or 2.5" SATA x6 , 2 x M.2 2280/2260/2242 SAA SSD (Hard drive not included)
•Max Internal Capacity: 60TB (6x 10TB HDD) (Capacity may vary by RAID types)
•Hot Swappable HDD
•External HDD Interface: USB 3.0 Port x3, Expansion Port x2
•Size (HxWxD): 166x282x243mm
•Weight: 5.2Kg
•LAN: Gigabit x4
•Link Aggregation
•Wake on LAN/WAN
•System Fan: 92x92x25mm x2
•Wireless Support (dongle)
•Noise Level: 21.5 dB(A)
•Power Recovery
•AC Input Power Voltage: 100V-240V AC
•Power Frequency: 50/60 Hz, Single Phase
•Power Consumption: 50.6W (Access); 22W (HDD Hibernation)
•Operating Temperature: 5°C-35°C
•Storage Temperature: -10°C-70°C
•Relative Humidity: 5%-95% RH
•Maximum Operating Altitude: 6,500 feet