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Network Wired NAS (Desktop) DS218J

Synology DS218J DiskStation 2 Bay NAS

Synology DS218J NAS (Desktop)
  • Product Code :DS218J
  • Manufacturer P/N :DS218J
  • Manufacturer :Synology
  • Synology DS218J NAS (Desktop)
Synology DS218j 2 BAY NAS
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$229.85
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Cost-effective home storage server
 
Backup all your digital assets with Synology DS218j, a powerful 2-bay NAS with rapid data transmission and low power consumption, designed for home users.
 
 
 
Cloud Station Backup for PC protection
 
Featuring real-time incremental backup technology, your data stored on a PC can be backed up to a Synology NAS instantly, using minimal system resources, bringing a truly comprehensive and secure private cloud experience.
 
 
Incremental backup: fast while reducing performance impact
 
Cloud Station provides an optimized PC backup solution. With the incremental backup technology, Cloud Station backs up only the modified files and divides them into even smaller parts, demanding significantly less system resources than traditional backup methods.
 
 
Real-time backup saving you from massive data loss
 
Cloud Station Backup carries out the most complete backup tasks in real-time. When data is voluminous, real-time backup prevents massive data loss due to unexpected disaster during backup cycles.
 
 
 
Synchronize files across your devices
 
Cloud Station Suite provides real-time data synchronization across all your devices and other Synology NAS. "Intelliversioning" keeps the most important file versions to better utilize storage space.
 
 
 
Easy file access with QuickConnect
 
Access files on your Synology NAS over the Internet without the hassle of setting up port forwarding rules, DDNS, or other complicated network settings. QuickConnect allows you to connect via a secure, customizable address, so that you can instantly access media and work files on any Internet-connected device with no additional charge.
 
 
 
Seamless integration with your mobile devices
 
Synology mobile applications are designed to allow quick and secure access to your data wherever you are.
 
 
 
Powered by Synology DSM
 
 
 
Surveillance Station
 
Complete surveillance solution for recording, monitoring, and management.
 
 
 
 
 
 
Desktop Backup
 
Simplified backup solution for your Mac, PC, and mobile devices.
 
 
 
 
 
File Server/Management
 
Powerful built-in file management and sharing services.
 
 
 
 
 
 
DSM UI
 
Award-winning operating system with an intuitive user interface and powerful capabilities.
 
 
 
 
 
 
Security
 
Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.
 
 
 
 
 
Multimedia
 
Complete multimedia solution for management, streaming, and playback.
 
Hardware Specifications
CPU
CPU Model Marvell Armada 385 88F6820
CPU Architecture 32-bit
CPU Frequency Dual Core 1.3 GHz
Hardware Encryption Engine  
Memory
System Memory 512 MB DDR3
Storage
Drive Bays 2
Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA HDD (with optional 2.5" Disk Holder)
  • 2.5" SATA SSD (with optional 2.5" Disk Holder)
Maximum Internal Raw Capacity 24 TB (12 TB drive x 2) (Capacity may vary by RAID types)
Maximum Single Volume Size 16 TB
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)
External Ports
RJ-45 1GbE LAN Port 1
USB 3.0 Port 2
File System
Internal Drives EXT4
External Drives
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+*
  • exFAT*
Notes
  • HFS+ is read only, max 2TB volume size.
  • exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 165 mm x 100 mm x 225.5 mm 
Weight 0.88 kg 
Others
System Fan 92 mm x 92 mm x 1 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
  • Low-power Mode
Brightness adjustable front LED indicators  
Power Recovery  
Noise Level* 18.2 dB(A) 
Scheduled Power On/Off  
Wake on LAN/WAN  
Power Supply Unit / Adapter 60W 
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 17.48 W (Access) 
7.03 W (HDD Hibernation) 
British Thermal Unit 59.68 BTU/hr (Access) 
24 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
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty 2 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: 24.25-25.75ËšC; Humidity: 58.2-61.8%
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number 256
Maximum iSCSI Target Number 10
Maximum iSCSI LUN 10
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
RAID Migration Basic to RAID 1
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
Volume Expansion by Adding a HDD Synology Hybrid RAID
File Sharing Capacity
Maximum Local User Accounts 1024
Maximum Local Groups 256
Maximum Shared Folder 256
Maximum Shared Folder Sync Tasks 2
Maximum Concurrent CIFS/AFP/FTP Connections 100
Windows Access Control List (ACL) Integration  
NFS Kerberos Authentication  
Log Center  
Syslog Events per Second 100
Add-on Packages (learn more about the complete add-on package list)
Chat  
Maximum Users 10
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.
Cloud Station Server  
Maximum Number of Concurrently Connected Devices 100
Maximum Number of Synced Files (ext4) 100,000 / single file reaction time 840 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 10KByte 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.
Download Station  
Maximum Concurrent Download Tasks 30
Drive  
Maximum Number of Synced Files 100,000 / single file reaction time 941 ms
Maximum Number of Concurrent Connections for PC Clients 200
Notes
  • The EXT4 file system was used for the purpose of testing.
  • The maximum number of concurrent connections refers to the maximum number of connections that could be maintained when the maximum number of synced files was reached.
  • File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS.
  • Non-encrypted shared folders were used during the aforementioned testing.
exFAT Access (optional)  
Media Server  
DLNA Compliance  
Moments  
Facial recognition  
Subject recognition  
Office  
Maximum Users 200
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.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Surveillance Station  
Maximum IP cam (Licenses required) 14 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 420 FPS @ 720p (1280x720) 
120 FPS @ 1080p (1920×1080) 
90 FPS @ 3M (2048x1536) 
60 FPS @ 5M (2591x1944) 
20 FPS @ 4K (3840x2160)
Total FPS (H.265)* 420 FPS @ 720p (1280x720) 
210 FPS @ 1080p (1920×1080) 
140 FPS @ 3M (2048x1536) 
90 FPS @ 5M (2591x1944) 
30 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 140 FPS @ 720p (1280x720) 
70 FPS @ 1080p (1920×1080) 
40 FPS @ 3M (2048x1536) 
20 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.
Video Station  
Video Transcoding Group 2 (See more)
VPN Server  
Maximum Connections 5
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 1
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • Disk Holder: Type C
  • VS360HD
  • VS960HD

 

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