Synology DiskStation DS718+

Flexible scalability meeting growing needs
Powered by a quad-core processor and AES-NI hardware encryption engine, DS718+ delivers excellent file transfer speeds. With the scalability to expand up to 7 drives with Synology Expansion Unit DX517 and the support for real-time 4K/1080p video transcoding, DS718+ is ideal for centralizing data backup and storing ultra-high definition media contents.
CPU
Quad-core burst up to 2.3GHz
RAM options
DDR3L 2GB, up to 6GB
Encryption Performance
Up to 226 MB/s reading and 184 MB/s writing
Transcoding
2-channel 4K H.264/H.265 video transcoding
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 2 GB DDR3L
Memory Module Pre-installed 2 GB (2 GB x 1)
Total Memory Slots 2
Memory Expandable up to 6 GB (2 GB + 4 GB)
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 Bays 2
Maximum Drive Bays with Expansion Unit 7
Compatible Drive Type* (See all supported drives)
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
Maximum Internal Raw Capacity 28 TB (14 TB drive x 2) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 98 TB (28 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 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.
External Ports
RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support)
USB 3.0 Port 3
eSATA Port 1
Copy Button
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)
157 mm x 103.5 mm x 232 mm
Weight
1.74 kg
Others
System Fan 92 mm x 92 mm x 1 pcs
Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode
Brightness adjustable front LED indicators
Power Recovery
Noise Level* 18.4 dB(A)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter 65W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption*
20.1 W (Access)
9.1 W (HDD Hibernation)
British Thermal Unit
68.58 BTU/hr (Access)
31.05 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-year hardware warranty, extendable to 5-year coverage - EW201
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%
The warranty period starts from the purchase date as stated on your purchase receipt.
DSM Specifications
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 (with Expansion Unit)
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)
RAID Migration
Basic to RAID 1
Basic to RAID 5 (with Expansion Unit)
RAID 1 to RAID 5 (with Expansion Unit)
RAID 5 to RAID 6 (with Expansion Unit)
Volume Expansion with Larger HDDs
Synology Hybrid RAID
RAID 1
RAID 5 (with Expansion Unit)
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)
Volume Expansion by Adding a HDD
Synology Hybrid RAID
JBOD (with Expansion Unit)
RAID 5 (with Expansion Unit)
RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
Synology Hybrid RAID
RAID 1 (with Expansion Unit)
RAID 5 (with Expansion Unit)
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)
File Services
File Protocol CIFS/AFP/NFS/FTP/WebDAV
Maximum Concurrent CIFS/AFP/FTP C