• Synology DiskStation DS918+ 4 Bay NAS
  • Synology DiskStation DS918+ 4 Bay NAS
  • Synology DiskStation DS918+ 4 Bay NAS
  • Synology DiskStation DS918+ 4 Bay NAS

Synology DiskStation DS918+ 4 Bay NAS

Stock Code:
DS918+
$1,056.00 (inc GST)

Description

Synology DiskStation DS918+ 4-Bay 3.5" Diskless 2xGbE NAS (SMB) - 4GB RAM - 3 year Wty- Scalable with DX517

The Synology DS918+ High-speed scalable storage server is designed for small and medium-sized businesses and IT enthusiasts. With a powerful built-in AES-NI hardware encryption engine, DS918+ provides exceptional encrypted file transmission. Also capable of transcoding up to two channels of H.265/H.264 4K videos at the same time, DS918+ is ideal for sharing and storing ultra-high definition media content.

The Synology DiskStation DS918+ is a 4-bay NAS designed for small and medium-sized businesses and IT enthusiasts. Powered by a new Intel® Celeron® quad-core processor

Features:
- Classification: Small to Medium Business
- Form Factor: Tower
- Scalable: Yes
- HDD Pre-Installed: Diskless
- Drive Bays: 4
- Drive Bay Configuration (#): 3.5" (4), 2.5" supported by optional adapter
- Storage Capacity (Installed): None

CPU
CPU Model: Intel Celeron J3455
CPU Architecture: 64-bit
CPU Frequency: Quad Core 1.5 burst up to 2.3 GHz
Hardware Encryption Engine: (AES-NI) ?
Hardware Transcoding Engine: H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30

Memory
System Memory: 4 GB DDR3L
Memory Module Pre-installed: 4GB (1 x 4GB)
Total Memory Slots: 2
Memory Expandable up to: 8 GB (4 GB x 2)

Storage
Drive Bays: 4
Maximum Drive Bays with Expansion Unit: 9
M.2 Drive Slots 2 (NVMe)

Compatible Drive Type* (See all supported drives) •3.5" SATA HDD
- 2.5" SATA HDD
- 2.5" SATA SSD
- M.2 2280 NVMe SSD

Maximum Internal Raw Capacity 56 TB (14 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 126 TB (56 TB + 14 TB drive x 5) (Capacity may vary by RAID types)
Maximum Single Volume Size 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)
- Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB.

External Ports
RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support)
USB 3.0 Port 2
eSATA Port 1
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 199 mm x 223 mm

Weight 2.28 kg

Others
System Fan 92 mm x 92 mm x 2 pcs
Fan Speed Mode •Full-Speed Mode
•Cool Mode
•Quiet Mode

Brightness adjustable front LED indicators ?
Power Recovery ?
Noise Level* 19.8 dB(A)

Scheduled Power On/Off ?
Wake on LAN/WAN ?
Power Supply Unit / Adapter 100W

AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 28.8 W (Access)
12.6 W (HDD Hibernation)

British Thermal Unit 98.27 BTU/hr (Access)
42.99 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
•CCC
•RCM
•KC
•FCC
•CE
•BSMI

Warranty 3 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 512
Maximum iSCSI Target Number 128
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX ?
SSD Read/Write Cache (White Paper) ?
SSD TRIM ?
Supported RAID Type •Synology Hybrid RAID
•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 •Synology Hybrid RAID
•RAID 1
•RAID 5
•RAID 6

Volume Expansion by Adding a HDD •Synology Hybrid RAID
•RAID 5
•JBOD
•RAID 6 (with Expansion Unit)

Global Hot Spare Supported RAID Type •Synology Hybrid RAID
•RAID 1
•RAID 5
•RAID 6 (with Expansion Unit)
•RAID 10 (with Expansion Unit)

File Services
File Protocol CIFS/AFP/NFS/FTP/WebDAV
Maximum Concurrent CIFS/AFP/FTP Connections 1000
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2000
Windows Access Control List (ACL) Integration ?
NFS Kerberos Authentication ?
Account & Shared Folder
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
High Availability Manager ?
Log Center ?
Syslog Events per Second 800
Virtualization
VMware vSphere 6 with VAAI ?
Windows Server 2012 ?
Windows Server 2012 R2 ?
Windows Server 2016 ?
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 1500
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 1000
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Hosted Files (btrfs) 1,000,000
Maximum Number of Hosted Files (ext4) 1,000,000
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 Tasks 80
exFAT Access (optional) ?
MailPlus / MailPlus Server ?
Free Email Accounts 5 (Licenses required for additional accounts)
Maximum number of concurrent users Up to 100
Maximum Server Performance 1,052,000 emails per day, approx. 32GB
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 ?
Snapshot Replication ?
Maximum Snapshots per Shared Folder 1024
Maximum of system snapshots 65536
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)
840 FPS @ 1080p (1920×1080)
550 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
180 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920×1080)
900 FPS @ 3M (2048x1536)
550 FPS @ 5M (2591x1944)
300 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 720 FPS @ 720p (1280x720)
500 FPS @ 1080p (1920×1080)
330 FPS @ 3M (2048x1536)
200 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.
Synology Drive ?
Recommended Number of Hosted Files 500,000 (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 Connections for PC Clients 450 (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 Users 1800
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 Transcoding 4K Group 1 (See more)
Maximum Transcoding Channel Number 2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or
2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1
Virtual Machine Manager ?
Recommended Virtual Machine Instances 4 (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 Connections 20
Environment & Packaging
Environment RoHS Compliant
Packaging Content •Main Unit X 1
•Accessory Pack X 1
•AC Power Adapter X 1
•AC Power Cord X 1
•RJ-45 LAN Cable X 2
•Quick Installation Guide X 1

Optional Accessories •Surveillance Device License Pack
•D3NS1866L-4G DDR3 non-ECC SO-DIMM
•Expansion Unit: DX517 X 1
•VS360HD
•VS960HD