Features: | Capable Performance: Up to 282/217 MB/s sequential read/write throughput1 supports stable data transfers | Fast Networking: Built-in 2.5GbE port for fast connectivity out of the box | Versatile Network Storage: Leverage built-in file and photo management, data protection, and surveillance solutions | Centralized Data Storage: Store up to 40 TB of data2 in one place,maintain 100% data ownership, and enjoy multi-platform access | File Management Hub for Home, Home Office, and Edge | The Synology DiskStation DS225 is a compact 2-bay NAS solution designed to centralize data management, offering a comprehensive suite of tools through Synology DiskStation Manager DSM for managing, sharing, and protecting files and photos, backing up devices and data, and serving as the core of a smart surveillance system | A Compact & Capable Storage Platform | With a suite of robust data storage and backup solutions and capable performance, the compact 2-bay DS225 is ideal for use in homes, home offices, and as edge storage for retail locations, either as a point-of-sale data repository or as surveillance storage. | Up to 282 MB/s sequential read and 217 MB/s sequential write performance enables fast file sharing, syncing, streaming, and backup for multiple users | Includes one 2.5GbE port and one 1GbE port, providing fast networking with failover support | Supports 2 2.5" SATA SSD and 3.5" SATA HDD. Synology hard drives and SSDs are designed to integrate seamlessly with Synology systems, delivering exceptional reliability | Ease of Use and Security Features | A suite of convenience and security features, combined with DSM's intuitive UI, ensures a seamless experience for users of all levels of expertise. | Easily | access your system from any web browser | via QuickConnect | Adaptive Multi-Factor Authentication AMFA triggers upon suspicious external logins, | providing an additional layer of security | Improve management efficiency with customizable delegation roles, allowing admins to quickly assign roles to non-admin users while restricting access to critical system settings | Built-in Data Protection Solutions | License-free solutions help protect data and configurations on your Synology system, ensure maximum system uptime, and back up and restore all your devices, VMs, and cloud applications. | Synology Active Backup Suite consolidates backup tasks and offers rapid restoration of Windows and Linux endpoints, VMs, Synology NAS, and SaaS applications | Hyper Backup backs up your Synology system data to multiple destinations securely and efficiently with integrity checks and powerful deduplication, compression, and versioning options | Snapshot Replication provides schedulable, near-instantaneous data protection with version control, ensuring that all shared folders and LUNs on your Synology system remain safe and available | C2 Storage for Hyper Backup offers a dedicated secure public cloud destination for Synology NAS backup data | A Collaboration, Communication, and Organization Hub | Synology provides a private cloud solution for on-site and remote workers, as well as home users,to concurrently edit documents, share files, manage emails, send instant messages, manage photos, and more. | Synology Drive serves as a centralized hub to keep your files labeled and organized for easy access, offering granular file sharing permissions and customizable security features to ensure file safety | Synology Photos provides a comprehensive solution for storing, organizing, and sharing photos and videos, with powerful features suitable for both personal and professional use | Synology Office enables users to collaborate on documents, spreadsheets, and presentation slides in real time, supported by convenient options such as file versioning for easy restoration and password protection | Synology Chat brings teams together with one-on-one chats, group chats, and encrypted private channels over multiple platforms | Synology MailPlus provides a secure, reliable, and private email server | Synology Calender helps teams keep track of priorities with convenient calendar sharing and scheduling | Synology Hybrid Share enhances multi-site teamwork with a global hybrid cloud file system which combines the scalability of the cloud with the fast local access provided by Synology systems | Private Video Surveillance | Synology Surveillance Station transforms any Synology system into a powerful network video recorder | 8,700+supported camera models | ONVIF support for a broader selection of cameras | Private, subscription-free storage of recordings | Access through web browsers, desktop clients, and mobile apps | Event-based rules to trigger specific actions | Email, SMS, and push notification options | Simultaneous recording to the cloud with C2 Backup for Surveillance for an extra layer of data protection and more convenient sharing | Technical Specifications | Hardware | CPU | CPU Model: Intel Celeron J4125 | CPU Quantity: 1 | CPU Core: 4 | CPU Architecture: 64-bit | CPU Frequency: 2.0 (base) / 2.7 (turbo) GHz | Hardware Encryption Engine: Yes | Memory | System Memory: 2 GB DDR4 non-ECC | Total Memory Slots: 1 | Maximum Memory Capacity: 6 GB (2GB + 4GB) | Notes: Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. | Storage | Drive Bays: 2 | Drive Type: 3.5" SATA HDD / 2.5" SATA SSD | Hot Swappable Drive: Yes | Notes: Compatible drives are mandatory. Please consult Synology compatibility list before purchasing hard drives. | External Ports | RJ45 1GbE LAN Port: 1 | RJ45 2.5GbE LAN Port: 1 | USB 3.2 Gen 1 Port: 2 | Others | System Fan: 92 mm x 92 mm x 25 mm x 1 pcs | AC Input Power Voltage: 100V to 240V AC | Power Frequency: 50/60 Hz, Single Phase | Temperature | Operating Temperature: 0°C to 40°C (32°F to 104°F) | Storage Temperature: -20°C to 60°C (-5°F to 140°F) | Operating Humidity: 8% to 80% RH | Storage Humidity: 5% to 95% RH | Maximum Operating Altitude: 5,000 m | General DSM Specifications | Storage Management | Maximum Single Volume Size: 108 TB | Maximum Internal Volume Number: 32 | Supported RAID Type: ynology Hybrid RAID,Basic,JBOD,RAID 0,RAID 1 | Notes | Each internal volume (may consist of multiple drives) is expandable up to 108TB. | Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration. | Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored. | File System | Internal Drives: Btrfs,ext4 | External Drives: Btrfs,ext4,ext3,FAT32,NTFS,HFS+,exFAT | File Services | File Protocol: SMB,AFP,NFS,FTP,WebDAV,Rsync | Maximum Number of SMB Connections (FSCTBased): 5 | Windows Access Control List (ACL) Integration: Yes | NFS Kerberos Authentication: Yes | Account & Shared Folder | Maximum Local User Accounts: 512 | Maximum Local Groups: 128 | Maximum Shared Folder: 128 | Maximum Shared Folder Sync Tasks: 4 | 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) | General Specifications | Supported Protocols: SMB1 CIFS, SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | Supported Browsers: Chrome,Firefox,Edge,Safari | Supported Language: English, 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 | Notes: For an updated list of supported browser versions, check the DSM Technical Specifications. | Packages and Applications | Synology AI Console | Centralize AI management with flexible configurations for AI model integration, user access control, data privacy, usage policies, and resource allocation | Third-Party AI Model Integration: V | Synology Drive | Synchronizes files across Windows, macOS, Linux, Android and iOS. The built-in cross-platform portal allows access to data anytime and anywhere | Maximum Number of Users: 10 | Maximum Number of Hosted Files: 100,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) | File Station | Provides virtual drives, remote folders, Windows ACL editor, compression/extraction of archived files, bandwidth control for specific users/groups, creation of sharing links, and transfer logs | Hybrid Share | Synchronize data across multiple sites for fast and efficient multi-site teamwork. Powered by Synology C2 Storage, Hybrid Share requires purchase of a monthly or annual subscription | SAN Manager | Maximum iSCSI Target Number: 2 | Maximum LUN: 4 | LUN Clone/Snapshot, Windows ODX: Yes | Virtual Machine Manager | Recommended Virtual Machine Instances: 2 | Recommended Virtual DSM Number: 2 (including 1 Free License) | Hyper Backup | Supports local backup, network backup, and data backup to other servers and public clouds, including C2 Storage | Snapshot Replication: 128 | Maximum of System Snapshots: 1024 | Synology High Availability | Reduces service downtime by combining two identical NAS into a high-availability cluster | Synology Chat | Maximum Number of Users: 100 | Synology Office | Synology MailPlus / MailPlus Server | A secure, reliable, and private mail solution featuring high-availability, load balancing, security, and filtering options | Free Email Accounts: 5 (Additional accounts require purchase of licenses) | Maximum Number of Users: 20 | Surveillance Station | Default Licenses: 2 (Additional cameras require purchase of licenses) | Suggested Maximum IP Cameras and Total FPS (H.264) | 1080p: 25 channels, 750 FPS | 3M 25 channels, 350 FPS | 5M 25 channels, 280 FPS | 4K 17 channels, 170 FPS | Suggested Maximum IP Cameras and Total FPS (H.265) | 3M 25 channels, 600 FPS | 5M 25 channels, 480 FPS | 4K 20 channels, 200 FPS | Central Management System | Provides a single interface to manage and monitor multiple Synology NAS | VPN Server | Maximum Connections: 4 | Warranty: 3-year hardware warranty | Note: | Features, Price and Specifications are subject to change without notice. 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