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While intended for home and small business use, the DS620slim has many of the same features as Synology's higher end offerings. Its Linux-based DiskStation Manager (DSM) operating system offers cross platform file sharing over various network protocols including SMB, AFP and NFS. The DS620slim also offers support for multiple RAID types, iSCSI and domain authentication.
| General DSM Specification | |
| Networking Protocol | SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP) |
| File System | • Internal: Btrfs, ext4 • External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT2 |
| Supported RAID Type | Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
| Storage Management | • Maximum single volume size: 108 TB • Maximum of system snapshots: 65,5365 • Maximum internal volumes: 64 |
| SSD Cache | Read-write cache support |
| File Sharing Capability | • Maximum local user account: 2,048 • Maximum local group: 256 • Maximum shared folder: 256 • Maximum concurrent SMB/NFS/AFP/FTP connection: 500 |
| Privilege | Windows Access Control List (ACL), application privileges |
| Directory Service | Windows AD integration: Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration |
| Virtualization | VMware vSphere 6.5, Microsoft Hyper-V, Citrix, OpenStack |
| Security | Firewall, encryption shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable cipher suite) |
| Supported Client | Windows 7 and 10, Mac OS X 10.11 onwards |
| Supported Browser | Chrome, Firefox, Edge, Internet Explorer 10 onwards, Safari 10 onwards; Safari (iOS 10 onwards), Chrome (Android 6.0 onwards) on tablets |
| Interface Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文 |
The DS620slim's capabilities can be expanded even further by downloading and installing add-on packages. Within the Package Center, you'll find packages that will let you backup and sync your data, collaborate with others, stream multimedia content and even manage IP cameras deployed within your home.
| File Server & Synchronization | |
| Drive | Provide a universal portal to synchronize your files across various platforms, including Windows, macOS, Linux, Android, and iOS. The built-in universal portal allows you to access data anytime and anywhere. • Maximum number of hosted files: 500,000 • Maximum number of concurrent connections for PC clients: 450 |
| File Station | Virtual drive, remote folder, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users or groups, creating sharing links, transfer logs |
| FTP Server | Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocol, boot over the network with TFTP and PXE support, transfer logs |
| Presto File Server | High-speed data transfer over WAN with exclusive SITA technology between Synology NAS and desktop |
| Cloud Sync | One or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, Amazon Drive, Amazon S3-compatible storage, Backblaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, Tencent COS, WebDAV servers, Yandex Disk |
| Universal Search | Offer global search into applications and files |
| iSCSI Storage & Virtualization | |
| iSCSI Manager | • Maximum iSCSI target: 128 • Maximum iSCSI LUN: 256 • iSCSI LUN clone/snapshot support |
| Virtual Machine Manager | Deploy and run various virtual machines on Synology NAS, including Windows, Linux, or Virtual DSM |
| Data Protection & Backup Solution | |
| Hyper Backup | Support local backup, network backup, and data backup to public clouds |
| Backup Tool | DSM configuration backup, macOS Time Machine support, Cloud Station Backup Shared folder sync - maximum task number: 8 |
| Snapshot Replication | • Maximum of shared folder snapshots: 1,024 • Maximum of Replication: 32 |
| Synology High Availability | Reduce service downtime by setting up two identical NAS into one high-availability cluster |
| Active Backup for G Suite Support | G Suite My Drive and Team Drive backup and restoration |
| Active Backup for Office 365 Support | Office 365 OneDrive for Business, mail, contacts, and calendar backup and restoration |
| Active Backup for Business | All-in-one backup solution designed for heterogeneous business IT environment, enabling IT admins to remotely manage and monitor protection over PC, servers and VM on one centralized console |
| Productivity & Collaboration | |
| Collaboration tools | Collaborate with instant message service Synology Chat, online editor Synology Office, and scheduling assistant Synology Calendar • Chat maximum user: 1,000 • Office maximum user: 500 • Calendar supports CalDAV and access via mobile devices |
| Note Station | Rich-text note organization and versioning, encryption, sharing, media embedding and attachments |
| Synology MailPlus Server | Secure, reliable, and private mail solution with high-availability, load balancing, security and filtering design (includes 5 free email account licenses; additional accounts require the purchasing of additional licenses) |
| Synology MailPlus | Intuitive webmail interface for MailPlus Server, customizable mail labels, filters, and user interface |
| Multimedia | |
| Moments | Support smart AI album with facial and subject recognition, photo editing and sharing features, similar photo detection, auto-editing functions such as color correction and angle adjustments, and AI selection of the best photos. Mobile applications are available on iOS and Android devices. |
| Other Packages | Video Station, Photo Station, Audio Station, iTunes Server |
| Surveillance | |
| Surveillance Station | Maximum IP camera: 25 (total of 750 FPS at 720p, H.264) (Including two free camera licenses; additional cameras require the purchasing of additional licenses) |
| All-in-One Server | |
| Synology Directory Server | Provide a flexible and cost-effective domain controller solution |
| CMS | Provide a single interface to manage and monitor multiple Synology NAS |
| VPN Server | Maximum connection: 30, supported VPN protocol: PPTP, OpenVPN, L2TP/IPSec |
| Mail Server | Supported Mail Server protocol: POP3, SMTP, IMAP, support LDAP/AD account |
| Mail Station | Webmail interface for Mail Server to receive emails from multiple POP3 mailboxes, customizable SMTP server |
| Web Station | Virtual host (up to 30 websites), PHP/MariaDB, 3rd-party applications support |
| Other Packages | DNS Server, RADIUS Server, Log Center |
| Others | |
| Storage Analyzer | Volume and quota usage, total size of files, volume usage and trends based on past usage, size of shared folders, large files, most recently modified files, least recently accessed files |
| Antivirus Essential | Full system scan, scheduled scan, white list customization, virus definition auto update |
| Security Adviser | Malware detection/removal, user account/password, network, system-related security scan |
| iOS/Android applications | Synology Drive, Synology MailPlus, DS audio, DS photo, DS video, DS cam, DS file, DS finder, DS note, Moments |
