It's Time to Replace Your External Hard Drives

It's Time to Replace Your External Hard Drives

Are you saving your precious photos and videos on portable external hard drives as your backup plan? Now's the time to centralize all your data on Synology NAS with anytime, anywhere file access.

Choose NAS over your external drives

Save your memories in the right way

Simply dump all your photos and videos into Synology Moments.

  • Unlike cloud services, photos and videos stored on Synology NAS will keep their original forms without compression.
  • If you have photos you want to keep private, Synology NAS is the best option to retain your own privacy.
  • With the deep learning mechanism in Synology Moments, all your photos can be auto-categorized into people, subjects, and locations.
Save your memories in the right way

Liberate file access from USB

Get Synology Drive as the only portal for all your file access.

  • Your files are always available from most of the web browsers or Drive mobile when you're on the road.
  • Manage files with labels and stars to make it easier for you to identify certain files.
  • Retain traces of versions in Synology Drive and free yourself from file over-write errors.
Liberate file access from USB

Fully compatible with your portable external hard drive

Synology NAS recognizes most of the mainstream file systems, including FAT32 and NTFS. Simply connect the portable hard drive to your Synology NAS and you are good to go. Learn more

Fully compatible with your portable external hard drive

Don’t throw your portable hard drive away

Set up USB Copy and have another copy of important data on your portable hard drive. Simply plug in the portable hard drive regularly and you’ll automatically have another copy of your data.

Don’t throw your portable hard drive away

Your data, your responsibility

  • Personal backup

    Time to think about your data protection plan for PCs, laptops, and portable devices.
  • Protect your data on NAS

    Never put all your eggs in one basket, and remember to keep an extra copy of your data.
  • Photography archive

    See our photo storage solution designed for photography studios. Learn more
Your data, your responsibility

Perfect for beginners

Just take a small step to open infinite possibilities. DiskStation ushers in the next cloud storage era for you at affordable prices.

  • For personal & home users

    Your personal cloud solution for effortless data sharing, multimedia streaming, and seamless storage management. Learn more
  • For IT enthusiasts

    The perfect match of performance and price for home and workgroups. Learn more
Perfect for beginners

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Storage Manager

Features

  • The Btrfs file system can perform file self-healing to automatically detect silent data corruption and recover corrupted data (See limitation 1)
  • Powerful snapshot feature for creating point-in-time snapshots
  • SSD cache support for enhancing system performance

Specifications

General
  • File system types:
    • ext4 and Btrfs (See limitation 2)
    • For external devices: ext4, ext3, FAT, FAT32, NTFS, Btrfs, exFAT, HFS, and HFS+ (See limitation 2)
  • RAID types:
    • Basic, SHR-1, SHR-2, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and RAID F1 (See limitation 2)
  • RAID conversion:
    • Basic to RAID 1, Basic to RAID 5, RAID 1 to RAID 5, RAID 5 to RAID 6, and SHR-1 to SHR-2
  • Up to 512 shared folders (See limitation 2)
  • Up to 256 volumes (See limitation 2)
  • Supports creating global and dedicated hot spare drives
  • Supports expanding storage pool and volume capacity without service disruption
  • Supports creating SSD read-only caches and SSD read-write caches
  • Supports setting volume usage quota
  • Supports setting usage and user quota for shared folders in the Btrfs file system
  • Supports scheduling data scrubbing to ensure data integrity (See limitation 4)
  • Supports adjusting the data scrubbing speed limit, repairing storage pools, expanding storage pools, and changing the RAID types of storage pools
  • Supports RAID Group to improve the level of protection (See limitation 2)
  • Supports Dynamic Bad Sector Mapping to enhance data integrity during storage pool repair
  • Supports complete Windows access control list (ACL)
  • Supports encrypting shared folders with AES-256 CBC mode
Drive Management
  • Supports HDD hibernation feature for power saving
  • Supports SSD TRIM feature for sustained performance
  • Supports scheduling S.M.A.R.T. tests
  • Supports Seagate IronWolf Health Management (IHM)
  • Supports deactivating HDDs while Synology NAS is powered on to prevent service disruption
  • Supports switching the LED indicator of a specific drive slot
ext4 File System
  • Maximum single file size: 16 TiB
  • Maximum file name length: 255 bytes (See limitation 5)
  • Maximum path name length: 4,096 bytes (See limitation 5)
  • Maximum symbolic link depth: 40
  • Maximum single volume size: 200 TiB (See limitation 2)
  • Recommended maximum number of files per folder in the same level: 100,000 (See limitation 3)
Btrfs File System
  • Maximum single file size: 16 TiB
  • Maximum file name length: 255 bytes (See limitation 5)
  • Maximum path name length: 4,096 bytes (See limitation 5)
  • Maximum symbolic link depth: 40
  • Maximum single volume size: 200 TiB (See limitation 2)
  • Recommended maximum number of files per folder in the same level: 100,000 (See limitation 3)
  • Supports inline compression
  • Supports performing file self-healing to automatically detect and recover silent data corruption on metadata and data (See limitation 1)
  • Supports copying data instantly via the SMB protocol when the source and destination of the data are located in the same Btrfs volume
  • Allows manual implementation of file system defragmentation to enhance system performance
  • Integrated with Synology Drive Server and Hyper Backup to enhance storage efficiency and data consistency
Snapshots on the Btrfs File System
  • Supports taking snapshots and creating replication tasks for shared folders and LUNs
  • Maximum number of snapshots per system:
    • Memory exceeding or equivalent to 2 GB: 65,536
    • Others: 4,096
  • Maximum number of snapshots per shared folder:
    • Memory exceeding or equivalent to 2 GB: 1,024
    • Others: 256
  • Maximum number of snapshots per LUN:
    • Memory exceeding or equivalent to 2 GB: 256
    • Others: 64
  • Supports taking application-consistent snapshots
  • Supports browsing read-only snapshots
  • Supports Windows Previous Versions feature

Limitations

  1. The data checksum option must be enabled on a shared folder before silent data corruption detection can take effect (Only RAID 1, RAID 5, RAID 6, and RAID F1 support corrupted data recovery)
  2. Varies according to models (Refer to here for more information)
  3. Approximately 1 GB memory is required for listing 100 million files in a folder of the same level
  4. File system scrubbing (only supported on the Btrfs file system) and RAID scrubbing (only supported on RAID 5, RAID 6, and RAID F1) will run sequentially when data scrubbing is performed
  5. Different character encodings may contain different data sizes (e.g., a character with UTF-8 encoding may contain 1 to 4 bytes)

Synology Drive

Synology Drive Server

Features

  • Synchronization server for clients on various platforms
  • Cross-office file collaboration among Synology NAS servers
  • File management on web portal
  • Integrated with Synology Office for online file editing
  • Generates safe and secure file sharing links

Application components

  • Synology Drive Admin Console
  • Synology Drive ShareSync
  • Synology Drive

Specifications

  • Compatible with DSM 6.2.2 or above
  • The following packages from Package Center must be installed first:
    • Synology Universal Search
    • Synology Application Service

Synology Drive Admin Console

Features
  • Service management center for administrators to monitor and control business data assets and resources on Synology Drive
  • File synchronization server for corresponding client applications on computers, mobile phones, and other Synology NAS servers
  • Option to select specific shared folders on Synology NAS for access in Synology Drive with history version policies
  • Flexible settings for users' access and sharing permissions to suit any deployment scenarios
  • Point-in-time history version restoration of files and folders
Specifications
  • Shared folder service management with versioning policies
    • Up to 32 historical file versions with cross-version deduplication
    • Historical version rotation with duration of 7, 30, 60, or 120 days
    • Retention policy of first-in-first-out method or Intelliversioning algorithm, preserving the most significant file versions
  • Recommended number of concurrent computer client connections per Synology NAS: Up to 2,000 (See Note 1)
  • Monitors and logs detailed system health status, user actions, and events, including service disruption, modification of shared folder configurations, and file manipulations
  • Non-admin users' sharing permission settings, including the ability to share files publicly as well as directly with assigned DSM users and group accounts
  • Blacklisting file types (e.g., documents, music, videos, images, etc.), file name, file extensions, and maximum file size for specific users' syncing files
  • Connection list of client applications with detailed information (e.g., device name, username, application type, online/offline status, IP address, location) as well as an option to unlink the connection
  • Customizable content indexing rules for each shared folders for robust search in Synology Drive
  • Calculation of application's storage usage and option to manually clean up deleted files in recycle bins to free up space
  • Version Explorer allows administrators to switch view roles, browse file/folder version history, and download/restore them with minute-level version granularity
Limitations
  • Mounted shared folders cannot be enabled as team folders
Note
  1. The number of concurrent computer client connections may vary for different Synology NAS models (Refer to each Synology NAS model's product spec for the recommended number)

Synology Drive ShareSync

Features
  • Real-time collaboration via two-way synchronization with multiple Synology NAS servers in multiple locations
  • One-way synchronization to distribute or collect data and files to remote Synology NAS servers
  • Flexible options to sync folders and selectively sync sub-folders to prevent redundant file syncing
Specifications
  • Sync files on shared folder basis or selectively sync sub-folders with multiple Synology NAS servers
  • Flexible sync mode settings with either syncing all privileges, only domain user privileges or files excluding permissions and metadata
  • Two-way sync or one-way upload/download to meet different remote offices and collaboration needs
  • Blacklisting file types (e.g., documents, music, videos, images, etc.), file name, file extensions, and maximum file size for syncing files and folders for each syncing task
  • Options to tackle file version conflict by either keeping the latest modified version, or keeping the version on the server and renaming to keep the discarded version
  • Monitors syncing status with information connected servers' information and connection status for error handling
  • Monitors and logs detailed file syncing events which can be filtered by shared folders, keywords, or date range
Limitations
  • Under the following circumstances, files will not be synced by Synology Drive ShareSync:
    • Certain file types or file paths containing certain characters (Learn more)
    • The file path is longer than 2,048 characters
    • The file name is longer than 255 characters
  • Each Synology NAS can connect with multiple host Synology NAS servers, but a Synology NAS can only be paired with the host Synology NAS once
  • A local shared folder cannot be set as the sync folder for multiple host Synology NAS servers simultaneously
  • User home folders (homes), mounted shared folders, and folders without write permission cannot be used as sync folders
  • Files and folders under the mounted folder on the client Synology NAS will not be synced

Synology Drive

Features
  • File access on web portal and collaboration through team folders with labels and stars to categorize or mark important files
  • Granular and flexible file/folder permission settings for secure sharing scenarios
  • Integration with the online editing tool Synology Office and instant messaging service Synology Chat for seamless team collaboration
Specifications
  • Supported browsers including Firefox, Chrome, Safari, and Internet Explorer 10 or later
  • File management with labels, stars, or hotkey, and sorting by title, modified time, type, owner, and size
  • Content searching via DSM built-in package Synology Universal Search with a variety of search criteria (e.g., keyword, location, type, owner, labels, size, and date) to quickly gather the most relevant data
  • Customizable permission settings to share folders and files only with other DSM users, or share publicly with the protection of password and validity period
  • Monitors and logs detailed user actions and events, including file manipulations, permission modifications, and version rotations
  • Provides the ability for team collaboration on documents, spreadsheets, and slides through the integration with Synology Office
  • Sends important update notifications via the Synology instant message application Synology Chat
  • Backs up Synology Drive to local or remote destinations and restores the settings and data of the package to a previous point in time with the Synology package Hyper Backup
Limitations
  • Deleted files from Team Folder will be placed in the Recycle Bin, which is only accessible by system administrators

Synology Drive Client

Features

  • Desktop application to synchronize files and folders between the computer and the Synology Drive server to access, browse, and share files via file browser
  • Real-time or scheduled computer backup from the local computer to Synology Drive Server with the capability to restore files and folders on the client side

Specifications

  • Create up to 64 sync tasks with Synology Drive Client for Windows environment
  • On-demand Sync option to reduce computer capacity consumption and overhead on the server (Available on Windows 10 version 1809 and above)
  • File access from file browser on local computer with synchronization with My Drive, Team Folder, and Shared with me folders on Synology Drive Server
  • Two-way sync or one-way upload/download to meet different collaboration needs
  • Blacklisting file name, file extensions, and maximum file size for each sync task
  • Flexible backup settings with continuous, manual, or schedule mode to meet different backup needs
  • Monitors and logs file manipulations, including downloads, delete, rename, etc.

Limitations

  • Certain file and drive types are not supported on Synology Drive sync task (Learn more)
  • .pst files are not supported because .pst files are not guaranteed to be portable
  • Only one backup task can be established for one account
  • Folders already synced or folders that are ancestor or child folders to a synced folder cannot be selected for sync task
  • If the local folder contains a folder mounted via other file protocols, files inside this mount point might not be synced because Synology Drive cannot detect file changes inside a mount point
  • On-demand Sync
    • Local folders which are already synced with Synology Drive's On-demand Sync, OneDrive's File On-Demand, or iCloud Drive and their child folders cannot be selected for a task with On-demand Sync
    • Root drive directories (e.g., C:\ and D:\) and home directories (e.g., C:\Users<username>) cannot be selected as On-demand Sync folder

Synology Drive Mobile

Features

  • Easy access and file management on the go with file searching, sharing, moving, and applying labels in iOS and Android environments
  • Granular and flexible file or folder permission settings for secure sharing scenarios 
  • Offline access to view the files downloaded to the local device

Specifications

  • Compatible with DSM 6.2.2 or above
  • File management with labels, stars, sorting by title, modified time, type, owner, and size
  • Content searching with a variety of criteria (e.g., keyword, location, type, owner, labels, size, and date) to quickly gather the most relevant data
  • Customizable permission settings to share folders and files only with other DSM users, or share publicly with the protection of password and validity period
  • Secure application lock with passcode and 2-step verification if the option has been enabled in DSM
  • Offline access and auto-update for multiple files on a local device
  • Option to view files in My Drive by file types (e.g., document, photo, video, music)
  • Integration with iOS Files and Android document provider as a universal entry to easily browse, open, edit, or move files among different storage apps
  • Seamlessly edit files online with Microsoft applications
  • Smooth previews and generation of thumbnails of raw images, and support for viewing general file formats (Supported formats may vary by OS and device)
    • Synology Office files: Synology Document, Synology Spreadsheet, Synology Slides
    • Documents: htm, html
    • Images: jpg, jpeg, png, gif, bmp
    • Audio files: mp3, m4a (except for alac), m4b, flac, ogg, wav
  • Accelerates file loading speed with cache management

Limitations

  • Synology Slides cannot be viewed if the files are opened with links that do not allow downloads or copies in iOS device

Synology Moments

Features

  • Photo and video display in chronological order in timeline mode
  • Automatic face/special subject recognition in photos with auto-created albums
  • Flexible and reliable mobile backup settings
  • Synchronization with Synology Drive Server to display photos and videos in My Drive

Specifications

  • Compatible with DSM 6.2.1-23824 and above
  • Home service must be enabled first
  • The following packages from Package Center must be installed first:
    • Synology Universal Search
    • Synology Application Service
    • Synology Drive Server
  • Supported file formats
    • Image formats: BMP, GIF, HEIC, JPEG, PNG, RAW (3fr, arw, cr2, crw, dcr, dng, erf, k25, kdc, mef, mos, mrw, nef, orf, ptx, pef, raf, raw, rw2, sr2, srf ), TIFF
    • Video playback formats: 3G2, 3GP, ASF, AVI, DAT, DivX, FLV, M4V, MOV, MP4, MPEG, MPG, MTS, M2TS, M2T, QT, WMV, XviD
    • Apple's Live Photos playback
    • 360-degree photo and video playback
  • AI-calculated features
    • View and edit face recognition results in the People albums
    • View photos categorized by objects and scenes in the Subject album
    • View photos selected by AI aesthetics in the Moments Select section
    • View and decide to keep or delete similar or duplicate photos in the Similar Photos section
    • Choose to apply color and angle adjustments while browsing photos in lightbox mode
  • Auto-created albums
    • View the automatically categorized albums: Shared, People, Subjects, Places, Tags, Videos, and Recently Added
    • Enable or disable the People, Subject, and Places albums in Settings
  • Photo operations
    • Search photos and albums by keywords, tags, and dates
    • Advanced search by file types, time ranges, tags, or keywords
    • Edit the date, time, and descriptions of photos
    • Add general tags to photos or videos
    • Rotate photos
    • Play slideshows in photo albums
    • Share photos and albums
    • Download albums
  • Mobile backup and browsing
    • Back up photos with Wi-Fi/photos only options and duplicated-file handling settings
    • Enhance thumbnail resolution with super-resolution under unstable Internet connections
  • Display photos and videos in My Drive
  • Shared Photo Library: select specific users to access the shared folder "/photo"

Limitations

  • Drag-and-drop photo upload only allows a maximum of 2,000 photos per upload
  • Drag-and-drop folder upload is only supported via Chrome browser
  • AI-calculated features are only supported on selected models (Supported models)

External Access

QuickConnect

Features

  • Supports DSM, Photo Station, Audio Station, Surveillance Station, Download Station, Cloud Station, Video Station, File Station, Note Station, and all Synology mobile apps
  • Ensures server connection efficiency by LAN/WAN detection
  • Ensures server reachability by QuickConnect hole punching and optional QuickConnect relay service
  • Offers a web portal to DSM management interface and Photo Station
  • Automatically adds required port forwarding rules on compatible UPnP routers

DDNS

Features

  • Translate the domain name of your Synology NAS to an IP address
  • Multiple DDNS providers
  • Synology Heartbeat service DDNS server
  • Supports custom DDNS provider profiles

EZ-Internet

Features

  • Express Setup: Supports UPnP & NAT-PMP routers
  • Advanced Setup: Supports signing in to a router with an admin account
  • Supports custom ports for router port-forwarding rules
  • Provides router port accessibility test to ensure forwarded ports can be accessed from the Internet

USB Copy

Features

  • Automatically copy files and folders between your Synology NAS and an attached USB/SD storage device
  • Trigger a transfer by hot-plugging a USB/SD device, pushing the hardware copy button, or running the application in DSM
  • Flexible configurations:
    • Task type: Photo/Video Import, Data Import, Data Export
    • Copy mode: Multi-versioned, Mirroring, Incremental
    • File type filter: File name, file extension
    • File conflict policy: Rename, overwrite

Notes:

  1. Please note that the figures marked in asterisks are derived from the Synology lab by using high-performance client computers with optimized network settings, and could vary in different environments.