Synology 2 bay NAS DS218j A50

  • A versatile entry-level 2-bay NAS for home and personal cloud storage
  • Over 113 MB/s reading, 112 MB/s writing
  • Dual-core CPU with hardware encryption engine. Operating Temperature: 5°C to 40°C (40°F to 104°F)
  • Everywhere access with iOS/Android/Windows ready mobile apps
  • An integrated media server supporting multimedia streaming.Maximum Single Volume Size:16 TB
  • Compatible drive – 3.5″ SATA HDD; 2.5″ SATA HDD (with optional 2.5″ Disk Holder) ; 2.5″ SATA SSD (with optional 2.5″ Disk Holder)



Synology Disk Station DS218j is a 2-bay NAS server which perfectly fits home and personal users to build your own personal cloud. Simple yet powerful, Synology DS218j offers effortless data sharing, multimedia streaming, and cloud synchronization. Synology DS218j is backed by Synology’s 2-year limited warranty. System Fan: 92 mm x 92 mm, Fan Speed Mode: Full-Speed Mode, Cool Mode, Quiet Mode, Low-power Mode. Noise Level: 18.2 dB(A), Power Supply Unit / Adapter: 60 Watts, AC Input Power Voltage: 100V to 240V AC, Power Frequency: 50/60 Hz, Single Phase.

Your own private cloud

DiskStation offers big storage capacity for housing your movies, photos, or important data, making it easy to create your own private cloud and maintain complete control over your data. Synology’s DiskStation Manager (DSM) operating system simplifies the process of backing up your computers, accessing your files from anywhere, streaming multimedia, and more.

At a glance:

  • 2 drive bays for data redundancy
  • Performance over 113 MB/s reading
  • Powered by DiskStation Manager (DSM)
  • Anywhere access with mobile apps

File sharing and syncing

With comprehensive support for file sharing protocols and operating systems, DiskStation allows you to centralize files and access them using all major platforms. Or synchronize files across multiple devices or even across several locations so remote teams can work together.

Personal multimedia server

Turn your DiskStation into a home media hub and stream your movies, TV shows, pictures, and MP3s to your favorite devices such as computers, smartphones, Samsung TV, Roku players, Apple TV, Google Chromecast, DLNA devices, and more.

Bulletproof backup

Maintain control of your data and ensure your files are safe with Synology. We provide secure, reliable, and affordable solutions that make it easy to backup files for all your devices and protect yourself from accidental data loss.

24/7 smart security solution

Surveillance Station delivers intelligent monitoring and video surveillance tools for protecting your home. Safeguard the important places in your life with remote live viewing, flexible event notifications, and smart analytics.

Easy file access anytime, anywhere

Access files on your Synology DiskStation over the Internet without the hassle of setting up complicated network settings. QuickConnect allows you to connect via a simple customizable address so that you can instantly access media and work files on any Windows/Mac/Linux computer, laptop, or mobile device without additional charge. Synology also provides various mobile applications allowing you to enjoy your multimedia library even when on the go.

DS218j DS418j DS119j
Drive Bays 2 4 1
Max Raw Storage Capacity 24 TB (12 TB drive x 2) (Capacity may vary by RAID types) 48 TB (12 TB drive x 4) (Capacity may vary by RAID types) 14 TB (14 TB drive x 1) (Capacity may vary by RAID types)
CPU Dual Core 1.3 GHz Dual Core 1.4 GHz Dual Core 800 MHz
Hardware Encryption Engine
Memory 512 MB DDR3 1 GB DDR4 256 MB DDR3L
1GbE LAN Port 1 1 1
USB Port 2 x USB 3.0 2 x USB 3.0 2 x USB 2.0
Supported RAID Type Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1 Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 Basic
Maximum IP cameras 14 16 5
Power consumption 17.48 W (Access), 7.03 W (HDD Hibernation) 21.22 W (Access), 8.97 W (HDD Hibernation) 10.04 W (Access) 5.01 W (HDD Hibernation)