Compact and high performance NAS solution
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Synology DS220+ is a compact network-attached storage solution designed to streamline your data and multimedia management. It features smooth data sharing, video streaming, and photo indexing, as well as well-rounded data protection and recovery options.
Your personal entertainment and multimedia hub
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Access multimedia content anytime, anywhere through an intuitive web-based interface.
Seamless integration with your mobile devices
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Synology mobile applications are designed to allow quick and secure access to your data wherever you are.
Btrfs: Next generation storage efficiency
The Btrfs file system introduces cutting-edge storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools. Learn more
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Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders
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Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots
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File or folder level data restoration makes data recovery fast and flexible
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Automatic file self-healing detects and recovers corrupted files without user intervention
Access and sync your files seamlessly
Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS. Learn more
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Sync files on demand: Save the storage space and network bandwidth of your PC.
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Go back in time: Easily retrieve previous versions of your shared files.
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Back up your data: Protect your files as scheduled or in real-time.
Powered by Synology DiskStation Manager
Desktop Backup
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Simplified backup solution for your Mac, PC, and mobile devices.
DSM UI
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Award-winning operating system with an intuitive user interface and powerful capabilities.
Snapshot Replication
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Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.
Synology Drive
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Instantly access your NAS files across multiple devices whenever you want, wherever you are.
File Server/Management
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Powerful built-in file management and sharing services.
Security
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Secure data with comprehensive built-in security tools to protect your devices against evolving threats.
HARDWARE SPECS
CPU
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CPU Model Intel Celeron J4025
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CPU Quantity 1
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CPU Architecture 64-bit
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CPU Frequency 2-core 2.0 (base) / 2.9 (burst) GHz
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Hardware Encryption Engine (AES-NI)
Memory
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System Memory 2 GB DDR4 non-ECC
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Total Memory Slots 1
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Maximum Memory Capacity 6 GB (2 GB + 4 GB)
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Notes
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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.
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Synology 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.
Storage
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Drive Bays 2
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Compatible Drive Type* (See all supported drives)
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3.5" SATA HDD
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2.5" SATA HDD
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2.5" SATA SSD
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Maximum Single Volume Size* 108 TB
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Hot Swappable Drive
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Notes
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"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.
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Each internal volume (may consist of multiple drives) is expandable up to 108TB.
External Ports
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RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support)
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USB 3.2 Gen 1 Port* 2
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USB / SD Copy
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Notes The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
File System
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Internal Drives
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Btrfs
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EXT4
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External Drives
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Btrfs
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EXT4
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EXT3
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FAT
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NTFS
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HFS+
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exFAT
Appearance
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Size (Height x Width x Depth) 165 mm x 108 mm x 232.2 mm
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Weight 1.30 kg
Others
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System Fan 92 mm x 92 mm x 1 pcs
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Fan Speed Mode
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Full-Speed Mode
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Cool Mode
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Quiet Mode
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Brightness Adjustable Front LED Indicators
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Power Recovery
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Noise Level* 19.3 dB(A)
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Scheduled Power On / Off
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Wake on LAN / WAN
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Power Supply Unit / Adapter 60 W
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AC Input Power Voltage 100 V to 240 V AC
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Power Frequency 50/60 Hz, Single Phase
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Power Consumption* 14.69 W (Access)
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4.41 W (HDD Hibernation)
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British Thermal Unit 50.12 BTU/hr (Access)
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15.05 BTU/hr (HDD Hibernation)
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Notes
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Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
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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%
Temperature
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Operating Temperature 0°C to 40°C (32°F to 104°F)
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Storage Temperature -20°C to 60°C (-5°F to 140°F)
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Relative Humidity 5% to 95% RH
Certification
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FCC
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CE
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BSMI
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EAC
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CCC
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KC
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VCCI
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RCM
Warranty
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2 Years
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Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
Packaging Content
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Main Unit X 1
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Accessory Pack X 1
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AC Power Adapter X 1
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AC Power Cord X 1
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RJ-45 LAN Cable X 2
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Quick Installation Guide X 1
Optional Accessories
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DDR4 non-ECC SODIMM: D4NESO-2666-4G
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3.5" SATA HDD: HAT5300
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2.5" SATA SSD: SAT5200
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VisualStation: VS960HD/VS360HD
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Surveillance Device License Pack
Notes All memory modules will operate at the maximum frequency specified by the CPU manufacturer.
Notes:
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Model specifications are subject to change without prior notice.
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The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
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The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
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If usage requirements exceed the specifications above, please contact our regional partners for professional advice.
SOFTWARE SPECS
DSM Specifications
Storage Management:
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Maximum Internal Volume Number 64
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SSD TRIM
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Supported RAID Type
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Synology Hybrid RAID
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Basic
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JBOD
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RAID 0
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RAID 1
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RAID Migration Basic to RAID 1
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Volume Expansion with Larger HDDs
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Synology Hybrid RAID
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RAID 1
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Volume Expansion by Adding a HDD Synology Hybrid RAID
File Services:
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File Protocol SMB/AFP/NFS/FTP/WebDAV
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Maximum Concurrent SMB/AFP/FTP Connections 500
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Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) 1,500
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Windows Access Control List (ACL) Integration
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NFS Kerberos Authentication
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Notes
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Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
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The 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 Folder
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Maximum Local User Accounts 2,048
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Maximum Local Groups 256
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Maximum Shared Folder 256
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Maximum Shared Folder Sync Tasks 8
Hybrid Share
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Hybrid Share Folder Number 4
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Notes For more supported details, please check this article.
High Availability
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Synology High Availability
Log Center
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Syslog Events per Second 800
General Specifications
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Networking Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
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Supported Browsers
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Google Chrome
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Firefox
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Microsoft Edge
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Safari
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Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, ???????, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Ceský, ???????, ???, ???, ????, ????
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Notes For an updated list of supported browser versions, check the DSM Technical Specifications.
Add-on Packages
Antivirus by McAfee (Trial) :yes
Central Management System
Synology Chat
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Maximum Users 1,000
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Notes:The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
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For tested models with expandable memory, the maximum amount of RAM was installed.
Document Viewer: yes
Download Station
Maximum Concurrent Download Tasks 80
SAN Manager
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Maximum iSCSI Target Number 128
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Maximum LUN 256
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LUN Clone/Snapshot, Windows ODX
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Notes iSCSI Manager has been renamed to SAN Manager in DSM 7.0.
Synology MailPlus / MailPlus Server
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Free Email Accounts 5 (Licenses required for additional accounts)
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Maximum Number of Concurrent Users 50
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Maximum Server Performance 936,000 emails per day, approx. 28GB
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Notes
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For tested models with expandable memory, the maximum amount of RAM was installed.
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The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
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Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server:DLNA Compliance: yes
Synology Photos
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Facial Recognition
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Notes Photo Station and Synology Moments are succeeded by Synology Photos in DSM 7.0. For a features comparison, check this article.
Snapshot Replication
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Maximum Snapshots per Shared Folder 1,024
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Maximum of System Snapshots 65,536
Surveillance Station
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Maximum IP cam (Licenses required) 25 (including 2 Free License) (See All Supported IP Cameras)
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Total FPS (H.264) 750 FPS @ 720p (1280x720)
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700 FPS @ 1080p (1920x1080)
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350 FPS @ 3M (2048x1536)
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240 FPS @ 5M (2591x1944)
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120 FPS @ 4K (3840x2160)
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Total FPS (H.265) 750 FPS @ 720p (1280x720)
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750 FPS @ 1080p (1920x1080)
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500 FPS @ 3M (2048x1536)
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250 FPS @ 5M (2591x1944)
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200 FPS @ 4K (3840x2160)
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Total FPS (MJPEG) 450 FPS @ 720p (1280x720)
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250 FPS @ 1080p (1920x1080)
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160 FPS @ 3M (2048x1536)
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130 FPS @ 5M (2591x1944)
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Notes
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Surveillance 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.
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The maximum channel number also includes devices installed on Virtual DSM.
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Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).
Synology Drive
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Recommended Number of Hosted Files 5,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
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Recommended Number of Concurrent Sync Clients 350 (the number of connections that can be maintained when the recommended number of hosted files was reached)
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Notes
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Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
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For tested models with expandable memory, the maximum amount of RAM was installed.
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Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
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Maximum Users 600
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Notes
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Multiple files were opened for testing and each file was edited by 30 users simultaneously.
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For tested models with expandable memory, the maximum amount of RAM was installed.
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Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station: yes
Virtual Machine Manager
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Recommended Virtual Machine Instances 2 (Learn more)
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Recommended Virtual DSM Number (Licenses required) 2 (including 1 Free License)
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Notes The specifications vary depending on system configuration and memory size.
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VPN Server
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Maximum Connections 40