It’s The First NAS Storage Solution For Everyone

DS120j is a centralized storage solution you can easily share family photos, movies and documents to all devices computers, tablet and smart phones.  

You can easily back up, and protect your digital data in your smart phone, laptop, desktop tablet, from malware attacks, hacks, virus and theft. In case you lost device you easily recover your data from the cloud.


Quickconnect platform it’s a Synology NAS Web Based platform which gives you quick access to your storage and download/ upload your data anytime. The platform is free of charge and it gives you secure access without the need of special routing , DDNS or any modification on your router. You can access your NAS anywhere you are in the world from any device of your choice.


Quick connect is user friendly mostly to PCs, you can easily upload and download files on NAS, but there are platforms designed for easy upload and download as well for mobile smart phones and tablets. They are available on Play store for android and IOS.


Frequently used applications are DS AUDIO, DS PHOTO & DS VIDEO, but there are a lot of applications to integrate with NAS.



File Server/Management

DSM provides secure file management services to manage your files. You can share these upload file to anyone you want with one link, or customized link with specific user name and password and you can change the password anytime you want.

This makes it easier to use in e-learning. You design specific folders for your students to upload their work and download notes/ results. These upload files can be accessed from anywhere and from any ANDROID, IOS, MAC, WINDOWS ,LINUX device. You can integrate your device with NAS account just like (google drive, box, drop box) and you will be able to access the files as locally.

Enjoy music, photos, Movies from the NAS anywhere you are. You can stream your entertainment on various platforms, mobile apps, web interface with speed and quality. You can stream directly to your TV and you are able to control what type of content you want and when to watch it. you can stream directly to your mobile smart phone On-The-Go.

Comprehensive backup destination
Transform your Synology NAS into a centralized backup monitoring system

Synology has paved a way to counter data lose error by Storing multiple backup versions with block-level incremental data backup and cross-version deduplication. This makes your critical data to be stored in various destinations, in case one fails it will be seamless.

DSM UI made Synology platform easy-to- use and built for everyone. It is an Award-winning operating system with an intuitive user interface and powerful capabilities. Using DSM has no difference with one using their MAC or Windows PC.

Synology offers secure data with comprehensive built-in security tools to protect your devices against evolving threats. To secure your business data from potential malicious users, DSM adopts the AES 256-bit military grade encryption technology to store your data in a format protected by an encryption key. You are guaranteed your data safety, every link you share is fully encrypted which make this DSM easy accessible even on public networks.

DSM offers integration of other service and network applications which gives you more than just a Back-up and a server system.

Add-on Packages

There are many add-on packages available to expand the value and functionality of your Synology NAS. You will be able to download and install the packages designed specifically for your unique needs, whether it’s sharing files on the cloud, sharing photos on an online album, setting up a VPN environment or even an antivirus to protect your system. Everything can be found and done in Package Center, with just a few clicks.



CPUCPU ModelMarvell Armada 3700 88F3720
 CPU Architecture64-bit
 CPU Frequency2-core 800 MHz
 Hardware Encryption Engine 
MemorySystem Memory512 MB DDR3L non-ECC
 NotesSynology 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.
StorageDrive Bays1
 Compatible Drive Type* (See all supported drives)3.5″ SATA HDD2.5″ SATA HDD (with optional 2.5″ Disk Holder)
 Maximum Single Volume Size*108 TB
 Hot Swappable Drive
 NotesStorage Pool and volume creation require all drives to be listed as compatible on the device model’s compatibility list.”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.
External PortsRJ-45 1GbE LAN Port1
 USB 2.0 Port2
File SystemInternal DrivesEXT4
 NotesexFAT Access is purchased separately in Package Center.
AppearanceSize (Height x Width x Depth)166 mm x 71 mm x 224 mm
 Weight0.7 kg
OthersSystem Fan60 mm x 60 mm x 1 pcs
 Fan Speed ModeFull-Speed ModeCool ModeQuiet ModeLow-power Mode
 Power Recovery 
 Noise Level*16.9 dB(A)
 Scheduled Power On / Off 
 Wake on LAN / WAN 
 Power Supply Unit / Adapter36 W
 AC Input Power Voltage100 V to 240 V AC
 Power Frequency50/60 Hz, Single Phase
 Power Consumption*9.81 W (Access)
4.68 W (HDD Hibernation)
 British Thermal Unit33.47 BTU/hr (Access)
15.97 BTU/hr (HDD Hibernation)
 NotesPower 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%
TemperatureOperating Temperature0°C to 40°C (32°F to 104°F)
 Storage Temperature-20°C to 60°C (-5°F to 140°F)
 Relative Humidity5% to 95% RH
Warranty2 Years
 NotesThe warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
EnvironmentRoHS Compliant
Packaging ContentMain Unit X 1Accessory Pack X 1AC Power Adapter X 1RJ-45 LAN Cable X 1Quick Installation Guide X 1
Optional AccessoriesVisualStation: VS960HD/VS360HDSurveillance Device License PackDisk Holder: Type C


DSM Specifications
Storage ManagementMaximum Internal Volume Number1
 Supported RAID TypeBasic
File ServicesFile ProtocolCIFS/AFP/NFS/FTP/WebDAV
 Maximum Concurrent CIFS/AFP/FTP Connections50
 Windows Access Control List (ACL) Integration 
 NFS Kerberos Authentication 
 NotesThe testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.
Account & Shared FolderMaximum Local User Accounts512
 Maximum Local Groups128
 Maximum Shared Folder256
 Maximum Shared Folder Sync Tasks2
Log CenterSyslog Events per Second50
General SpecificationsNetworking ProtocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
 Supported BrowsersGoogle ChromeFirefoxMicrosoft EdgeInternet Explorer 10 onwardsSafari 10 onwardsSafari (iOS 10 onwards)Google Chrome (Android 6.0 onwards)
 Supported LanguageEnglish, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
Add-on Packages view the complete package list
Download StationMaximum Concurrent Download Tasks50
exFAT Access (Optional) 
iSCSI ManagerMaximum iSCSI Target Number10
 Maximum iSCSI LUN10
Media ServerDLNA Compliance 
MomentsNotesThe following features of Moments are not supported on this model: facial recognition, subject recognition, Auto Color & Rotate, and Moments Select.
Surveillance StationMaximum IP cam (Licenses required)5 (including 2 Free License) (See All Supported IP Cameras)
 Total FPS (H.264)150 FPS @ 720p (1280×720)
120 FPS @ 1080p (1920×1080)
70 FPS @ 3M (2048×1536)
40 FPS @ 5M (2591×1944)
20 FPS @ 4K (3840×2160)
 Total FPS (H.265)150 FPS @ 720p (1280×720)
150 FPS @ 1080p (1920×1080)
130 FPS @ 3M (2048×1536)
65 FPS @ 5M (2591×1944)
30 FPS @ 4K (3840×2160)
 Total FPS (MJPEG)50 FPS @ 720p (1280×720)
50 FPS @ 1080p (1920×1080)
40 FPS @ 3M (2048×1536)
40 FPS @ 5M (2591×1944)
 NotesSurveillance 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.The maximum channel number also includes devices installed on Virtual DSM.Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).
Synology DriveRecommended Number of Hosted Files10,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
 Recommended Number of Concurrent Sync Clients5 (the number of connections that can be maintained when the recommended number of hosted files was reached)
 NotesExceeding the recommended numbers above will not block application operations, but may result in longer response time.EXT4 file system and non-encrypted shared folders were used during the aforementioned testing.
Video StationVideo TranscodingGroup 2 (See more)
VPN ServerMaximum Connections10

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