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Synology Network Attachment Storage DS718+ 2 bay DiskStation 1.5GHz 2GB Retail
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.
Btrfs: Next generation storage efficiency
Btrfs file system introduces the most advanced storage technologies to meet the management needs of modern large scale businesses:
Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders
Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots
File or folder level data restoration makes data recovery fast and flexible
Automatic file self-healing detects and recovers corrupted files without user intervention
Ultimate file management and sharing
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operation without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and sharing of files with just a link. Supports SMB, FTP, AFP, NFS, WebDAV, compatible with any environment.
Synchronize files across your devices
Cloud Station Suite provides real-time data synchronization across all your devices, such as computers, mobile devices, and other Synology NAS whenever a file is modified. "Intelliversioning" keeps the most important file versions to better utilize storage space.
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)
Y
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
System Memory
2 GB DDR3L
Memory Module Pre-installed
2GB (1 x 2GB)
Total Memory Slots
2
Memory Expandable up to
6 GB (2 GB + 4 GB)
Drive Bays
2
Maximum Drive Bays with Expansion Unit
7
RJ-45 1GbE LAN Port
2 (with Link Aggregation / Failover support)
USB 3.0 Port
3
eSATA Port
1
USBCopy
Y
Internal Drives
Btrfs
EXT4
External Drives
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT
Notes
exFAT Access is purchased separately in Package Center.
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
Y
Power Recovery
Y
Noise Level
18.4 dB(A)
Scheduled Power On/Off
Y
Wake on LAN/WAN
Y
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)
Operating Temperature
5oC to 40oC (40oF to 104oF)
Storage Temperature
-20oC to 60oC (-5oF to 140oF)
Relative Humidity
5% to 95% RH
Certification
FCC Class B
CE Class B
BSMI Class B
Notes
Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Maximum Internal Volume Number
512
Maximum iSCSI Target Number
32
Maximum iSCSI LUN
256
iSCSI LUN Clone/Snapshot, Windows ODX
Y
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)
Volume Expansion by Adding a HDD
Synology Hybrid RAID
RAID 5 (with Expansion Unit)
RAID 6 (with Expansion Unit)
JBOD (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)
SSD Read/Write Cache
Y
SSD TRIM
Y
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
500
Windows Access Control List (ACL) Integration
Y
NFS Kerberos Authentication
Y
High Availability Manager
Y
Log Center
Y
Syslog Events per Second
800
VMware vSphere 6 with VAAI
Y
Windows Server 2012
Y
Windows Server 2012 R2
Y
Citrix Ready
Y
OpenStack
Y
Antivirus by McAfee (Trial)
Y
Central Management System
Y
Chat
Y
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
Y
Maximum Number of Concurrently Connected Devices
500
Maximum Number of Concurrently Connected Devices (with RAM expansion)
1500
Maximum Number of Synced Files (btrfs)
1,000,000 / single file reaction time 862 ms
Maximum Number of Synced Files (ext4)
1,000,000 / single file reaction time 351 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
Y
Download Station
Y
Maximum Concurrent Download Tasks
80
exFAT Access (optional)
Y
MailPlus / MailPlus Server
Y
Free Email Accounts
5
Recommended MailPlus Client Number
Up to 90 (Btrfs) / 90 (ext4)
Maximum Server Performance
831,000 (Btrfs) / 966,000 (ext4) emails per day, approx. 25.4 GB (Btrfs) / 29.5 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
Y
DLNA Compliance
Y
Office
Y
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
Y
Maximum Snapshots per Shared Folder
1024
Maximum Snapshots of all Shared Folder
65536
Surveillance Station
Y
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.
Btrfs: Next generation storage efficiency
Btrfs file system introduces the most advanced storage technologies to meet the management needs of modern large scale businesses:
Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders
Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots
File or folder level data restoration makes data recovery fast and flexible
Automatic file self-healing detects and recovers corrupted files without user intervention
Ultimate file management and sharing
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operation without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and sharing of files with just a link. Supports SMB, FTP, AFP, NFS, WebDAV, compatible with any environment.
Synchronize files across your devices
Cloud Station Suite provides real-time data synchronization across all your devices, such as computers, mobile devices, and other Synology NAS whenever a file is modified. "Intelliversioning" keeps the most important file versions to better utilize storage space.
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)
Y
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
System Memory
2 GB DDR3L
Memory Module Pre-installed
2GB (1 x 2GB)
Total Memory Slots
2
Memory Expandable up to
6 GB (2 GB + 4 GB)
Drive Bays
2
Maximum Drive Bays with Expansion Unit
7
RJ-45 1GbE LAN Port
2 (with Link Aggregation / Failover support)
USB 3.0 Port
3
eSATA Port
1
USBCopy
Y
Internal Drives
Btrfs
EXT4
External Drives
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT
Notes
exFAT Access is purchased separately in Package Center.
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
Y
Power Recovery
Y
Noise Level
18.4 dB(A)
Scheduled Power On/Off
Y
Wake on LAN/WAN
Y
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)
Operating Temperature
5oC to 40oC (40oF to 104oF)
Storage Temperature
-20oC to 60oC (-5oF to 140oF)
Relative Humidity
5% to 95% RH
Certification
FCC Class B
CE Class B
BSMI Class B
Notes
Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Maximum Internal Volume Number
512
Maximum iSCSI Target Number
32
Maximum iSCSI LUN
256
iSCSI LUN Clone/Snapshot, Windows ODX
Y
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)
Volume Expansion by Adding a HDD
Synology Hybrid RAID
RAID 5 (with Expansion Unit)
RAID 6 (with Expansion Unit)
JBOD (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)
SSD Read/Write Cache
Y
SSD TRIM
Y
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
500
Windows Access Control List (ACL) Integration
Y
NFS Kerberos Authentication
Y
High Availability Manager
Y
Log Center
Y
Syslog Events per Second
800
VMware vSphere 6 with VAAI
Y
Windows Server 2012
Y
Windows Server 2012 R2
Y
Citrix Ready
Y
OpenStack
Y
Antivirus by McAfee (Trial)
Y
Central Management System
Y
Chat
Y
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
Y
Maximum Number of Concurrently Connected Devices
500
Maximum Number of Concurrently Connected Devices (with RAM expansion)
1500
Maximum Number of Synced Files (btrfs)
1,000,000 / single file reaction time 862 ms
Maximum Number of Synced Files (ext4)
1,000,000 / single file reaction time 351 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
Y
Download Station
Y
Maximum Concurrent Download Tasks
80
exFAT Access (optional)
Y
MailPlus / MailPlus Server
Y
Free Email Accounts
5
Recommended MailPlus Client Number
Up to 90 (Btrfs) / 90 (ext4)
Maximum Server Performance
831,000 (Btrfs) / 966,000 (ext4) emails per day, approx. 25.4 GB (Btrfs) / 29.5 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
Y
DLNA Compliance
Y
Office
Y
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
Y
Maximum Snapshots per Shared Folder
1024
Maximum Snapshots of all Shared Folder
65536
Surveillance Station
Y
Shipping
Orders below $100: $10 flat rate
Orders above $100: FREE
Currently we only ship within the US.
Returns
You have 14 calendar days to return an item from the date you received it.
To be eligible for a return, your item must be unopened in the same condition that you received it.
Your item must be in the original packaging.
Your item needs to have the receipt or proof of purchase.
Refunds
Once we receive your item, we will inspect it and notify you that we have received your returned
item. We will immediately notify you on the status of your refund after inspecting the item.
If your return is approved, we will initiate a refund to your credit card (or original method of payment).
You will receive the credit within a certain amount of days, depending on your card issuer's policies.
Shipping
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are nonrefundable.
If you receive a refund, the cost of return shipping will be deducted from your refund.
Contact Us
If you have any questions on how to return your item to us, contact us.