Sale Synology DiskStation DS918+ 4 Bays NAS - Diskless

Synology DiskStation DS918+ 4 Bays NAS - Diskless

Product Code: DS918+

Regular Price: $799.00

Special Price $750.00

Availability: In Stock at PC Lan

Brand Synology

Details

Hardware Specifications
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
Compatible Drive Type* 
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 NVMe 2280 SSD
Maximum Internal Raw Capacity 40 TB (10 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 90 TB (10 TB drive x 9) (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 single volume size is not directly related to the maximum raw capacity. 
  • 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
  • FCC Class B
  • CE Class B
  • BSMI Class B
Warranty 3 Years
Notes Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
DSM Specifications
Storage Management
Maximum Internal Volume Number 512
Maximum iSCSI Target Number 32
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX  
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)
SSD Support
SSD Read/Write Cache  
SSD TRIM  
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 1000
Windows Access Control List (ACL) Integration  
NFS Kerberos Authentication  
High Availability Manager  
Log Center  
Syslog Events per Second 800
Virtualization
VMware vSphere 6 with VAAI  
Windows Server 2012  
Windows Server 2012 R2  
Citrix Ready  
OpenStack  
Add-on Packages 
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 Synced Files (btrfs) 1,000,000 / single file reaction time 744 ms
Maximum Number of Synced Files (ext4) 1,000,000 / single file reaction time 630 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 1KByte 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
exFAT Access (optional)  
MailPlus / MailPlus Server  
Free Email Accounts
Recommended MailPlus Client Number Up to 90 (Btrfs) / 90 (ext4)
Maximum Server Performance 840,000 (Btrfs) / 1,014,000 (ext4) emails per day, approx. 25.6 GB (Btrfs) / 30.9 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  
Office  
Maximum Users 200
Maximum Simultaneous Editing Users 80
Notes
  • 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
Snapshot Replication  
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station  
Maximum IP cam (Licenses required) 40 (including 2 Free License) 
Total FPS (H.264)* 1200 FPS @ 720p (1280x720) 
840 FPS @ 1080p (1920×1080) 
400 FPS @ 3M (2048x1536) 
300 FPS @ 5M (2591x1944) 
180 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 480 FPS @ 720p (1280x720) 
400 FPS @ 1080p (1920×1080) 
330 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720) 
1200 FPS @ 1080p (1920×1080) 
600 FPS @ 3M (2048x1536) 
400 FPS @ 5M (2591x1944) 
300 FPS @ 4K (3840x2160)
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 4K Group 1 
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
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 RAM Module
  • Expansion Unit: DX517 X 1
  • VS360HD
  • VS960HD

Additional Information

Condition Brand New
Manufacturer Synology
Availability In Stock at PC Lan
Hard Drive Capacity Diskless
Number of Bays 4 Bays
System Memory 4GB
Memory Expandable No
Form Factor Tower
Connections Gigabit Ethernet, USB 3.0, eSATA
Internal HDD Interface 3.5" SATA
NAS Model DS918+
Warranty 3 Years
Price $799.00

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Satisfied Review by Simons
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Very satisfied with what I get (Posted on 19/03/2018)
value price, good quality Review by Kontami
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Perfect for my small business, thanks. (Posted on 23/01/2018)
Good Product Review by Cravard
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Bought this NAS with a good price, very satisfied! (Posted on 23/01/2018)

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