Synology DiskStation DS718 Network Attached Storage

CPU
CPU Model    Intel Celeron J3455
CPU Architecture    64-bit
CPU Frequency    Quad Core 1.5 (base) / 2.3 (burst) 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    32 TB (16 TB drive x 2) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units    112 TB (32 TB + 16 TB drive x 5) (Capacity may vary by RAID types)
Maximum Single Volume Size*    108 TB
Hot Swappable Drive yes    

Notes
Compatible drive type" indicates 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 expandable up to 108TB.

External Ports 
RJ-45 1GbE LAN Port    2 (with Link Aggregation / Failover support)

USB 3.0 Port    3
eSATA Port    1
USB / SD Copy    
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    65 W
AC Input Power Voltage    100 V to 240 V 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)

Notes
    
Power consumption is measured when it is 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 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 :    The 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 Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1

Optional Accessories

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