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.

Eco-friendly
17.48 W in access, 7.03 W in HDD Hibernation

High Performance
Over 113 MB/s and 112 MB/s sequential reading and writing

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 – Yes

Memory
System Memory – 512 MB DDR3

Storage
Drive Bays – 2
Compatible Drive Type

• 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 – Yes
Power Recovery – Yes
Noise Level – 18.2 dB(A)
Scheduled Power On/Off – Yes
Wake on LAN/WAN – Yes
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

• FCC Class B
• CE Class B
• BSMI Class B
• EAC
• CCC
• RCM
• KC

Warranty – 2 Years