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CPU
CPU Model	Intel Celeron J4025
CPU Quantity	1
CPU Architecture	64-bit
CPU Frequency	2-core 2.0 (base) / 2.9 (burst) GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory	2 GB DDR4 non-ECC
Total Memory Slots	1
Maximum Memory Capacity	6 GB (2 GB + 4 GB)
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. 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
Drive Bays	2
Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
Hot Swappable Drive
Notes	"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 Ports
RJ-45 1GbE LAN Port	2 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port*	2
USB / SD Copy
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
Internal Drives	Btrfs EXT4
External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT
Notes	exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.
Appearance
Size (Height x Width x Depth)	165 mm x 108 mm x 232.2 mm
Weight	1.30 kg
Others
System Fan	92 mm x 92 mm x 1 pcs
Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
Brightness Adjustable Front LED Indicators
Power Recovery
Noise Level*	19.3 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter	60 W
AC Input Power Voltage	100 V to 240 V AC
Power Frequency	50/60 Hz, Single Phase
Power Consumption*	14.69 W (Access) 4.41 W (HDD Hibernation)
British Thermal Unit	50.12 BTU/hr (Access) 15.05 BTU/hr (HDD Hibernation)
Notes	Power 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%
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)
Relative Humidity	5% to 95% RH

DSM Specifications
Storage Management
Maximum Single Volume Size*	108 TB
Maximum Internal Volume Number	64
SSD TRIM
Supported RAID Type	Synology Hybrid RAID Basic JBOD RAID 0 RAID 1
RAID Migration	Basic to RAID 1
Volume Expansion with Larger HDDs	Synology Hybrid RAID RAID 1
Volume Expansion by Adding a HDD	Synology Hybrid RAID
Notes	Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration.
File Services
File Protocol	SMB/AFP/NFS/FTP/WebDAV
Maximum Concurrent SMB/AFP/FTP Connections	500
Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion)	1,500
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Notes	Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM. 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
Maximum Local User Accounts	2,048
Maximum Local Groups	256
Maximum Shared Folder	256
Maximum Shared Folder Sync Tasks	8
Hybrid Share
Maximum Hybrid Share Folders	4
Notes	For more details about the maximum number of Hybrid Share folders, check this article.
High Availability
Synology High Availability
Log Center
Syslog Events per Second	800
General Specifications
Networking Protocols	SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers	Google Chrome Firefox Microsoft 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.
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)

Central Management System

Synology Chat
Maximum Users	1,000
Notes	The number of concurrent HTTP connections for Synology Chat was configured to the maximum. For tested models with expandable memory, the maximum amount of RAM was installed.
Document Viewer

Download Station
Maximum Concurrent Download Tasks	80
SAN Manager
Maximum iSCSI Target Number	128
Maximum LUN	256
LUN Clone/Snapshot, Windows ODX
Notes	iSCSI Manager has been renamed to SAN Manager in DSM 7.0.
Synology MailPlus / MailPlus Server
Free Email Accounts	5 (Licenses required for additional accounts)
Maximum Number of Concurrent Users	50
Maximum Server Performance	936,000 emails per day, approx. 28GB
Notes	For tested models with expandable memory, the maximum amount of RAM was installed. The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. 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
Synology Photos
Facial Recognition
Notes	Photo Station and Synology Moments are succeeded by Synology Photos in DSM 7.0. For a features comparison, check this article.
Snapshot Replication
Maximum Snapshots per Shared Folder	1,024
Maximum of System Snapshots	65,536
Surveillance Station
Maximum IP cam (Licenses required)	25 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)	750 FPS @ 720p (1280x720) 700 FPS @ 1080p (1920x1080) 350 FPS @ 3M (2048x1536) 240 FPS @ 5M (2591x1944) 120 FPS @ 4K (3840x2160)
Total FPS (H.265)	750 FPS @ 720p (1280x720) 750 FPS @ 1080p (1920x1080) 500 FPS @ 3M (2048x1536) 250 FPS @ 5M (2591x1944) 200 FPS @ 4K (3840x2160)
Total FPS (MJPEG)	450 FPS @ 720p (1280x720) 250 FPS @ 1080p (1920x1080) 160 FPS @ 3M (2048x1536) 130 FPS @ 5M (2591x1944)
Notes	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. 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 Drive
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)
Recommended Number of Concurrent Sync Clients	350 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes	Exceeding the recommended numbers above will not block application operations, but may result in longer response time. For tested models with expandable memory, the maximum amount of RAM was installed. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Users	600
Notes	Multiple files were opened for testing and each file was edited by 30 users simultaneously. For tested models with expandable memory, the maximum amount of RAM was installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station

Virtual Machine Manager
Recommended Virtual Machine Instances	2 (Learn more)
Recommended Virtual DSM Number (Licenses required)	2 (including 1 Free License)
Notes	The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections	40

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Synology DiskStation DS220+

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.

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Category: Storage Solutions Tag: Synology

Description


CPU
CPU Model	Intel Celeron J4025
CPU Quantity	1
CPU Architecture	64-bit
CPU Frequency	2-core 2.0 (base) / 2.9 (burst) GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory	2 GB DDR4 non-ECC
Total Memory Slots	1
Maximum Memory Capacity	6 GB (2 GB + 4 GB)
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. 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
Drive Bays	2
Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
Hot Swappable Drive
Notes	"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 Ports
RJ-45 1GbE LAN Port	2 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port*	2
USB / SD Copy
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
Internal Drives	Btrfs EXT4
External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT
Notes	exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.
Appearance
Size (Height x Width x Depth)	165 mm x 108 mm x 232.2 mm
Weight	1.30 kg
Others
System Fan	92 mm x 92 mm x 1 pcs
Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
Brightness Adjustable Front LED Indicators
Power Recovery
Noise Level*	19.3 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter	60 W
AC Input Power Voltage	100 V to 240 V AC
Power Frequency	50/60 Hz, Single Phase
Power Consumption*	14.69 W (Access) 4.41 W (HDD Hibernation)
British Thermal Unit	50.12 BTU/hr (Access) 15.05 BTU/hr (HDD Hibernation)
Notes	Power 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%
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)
Relative Humidity	5% to 95% RH

DSM Specifications
Storage Management
Maximum Single Volume Size*	108 TB
Maximum Internal Volume Number	64
SSD TRIM
Supported RAID Type	Synology Hybrid RAID Basic JBOD RAID 0 RAID 1
RAID Migration	Basic to RAID 1
Volume Expansion with Larger HDDs	Synology Hybrid RAID RAID 1
Volume Expansion by Adding a HDD	Synology Hybrid RAID
Notes	Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration.
File Services
File Protocol	SMB/AFP/NFS/FTP/WebDAV
Maximum Concurrent SMB/AFP/FTP Connections	500
Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion)	1,500
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Notes	Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM. 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
Maximum Local User Accounts	2,048
Maximum Local Groups	256
Maximum Shared Folder	256
Maximum Shared Folder Sync Tasks	8
Hybrid Share
Maximum Hybrid Share Folders	4
Notes	For more details about the maximum number of Hybrid Share folders, check this article.
High Availability
Synology High Availability
Log Center
Syslog Events per Second	800
General Specifications
Networking Protocols	SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers	Google Chrome Firefox Microsoft 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.
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)

Central Management System

Synology Chat
Maximum Users	1,000
Notes	The number of concurrent HTTP connections for Synology Chat was configured to the maximum. For tested models with expandable memory, the maximum amount of RAM was installed.
Document Viewer

Download Station
Maximum Concurrent Download Tasks	80
SAN Manager
Maximum iSCSI Target Number	128
Maximum LUN	256
LUN Clone/Snapshot, Windows ODX
Notes	iSCSI Manager has been renamed to SAN Manager in DSM 7.0.
Synology MailPlus / MailPlus Server
Free Email Accounts	5 (Licenses required for additional accounts)
Maximum Number of Concurrent Users	50
Maximum Server Performance	936,000 emails per day, approx. 28GB
Notes	For tested models with expandable memory, the maximum amount of RAM was installed. The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. 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
Synology Photos
Facial Recognition
Notes	Photo Station and Synology Moments are succeeded by Synology Photos in DSM 7.0. For a features comparison, check this article.
Snapshot Replication
Maximum Snapshots per Shared Folder	1,024
Maximum of System Snapshots	65,536
Surveillance Station
Maximum IP cam (Licenses required)	25 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)	750 FPS @ 720p (1280x720) 700 FPS @ 1080p (1920x1080) 350 FPS @ 3M (2048x1536) 240 FPS @ 5M (2591x1944) 120 FPS @ 4K (3840x2160)
Total FPS (H.265)	750 FPS @ 720p (1280x720) 750 FPS @ 1080p (1920x1080) 500 FPS @ 3M (2048x1536) 250 FPS @ 5M (2591x1944) 200 FPS @ 4K (3840x2160)
Total FPS (MJPEG)	450 FPS @ 720p (1280x720) 250 FPS @ 1080p (1920x1080) 160 FPS @ 3M (2048x1536) 130 FPS @ 5M (2591x1944)
Notes	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. 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 Drive
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)
Recommended Number of Concurrent Sync Clients	350 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes	Exceeding the recommended numbers above will not block application operations, but may result in longer response time. For tested models with expandable memory, the maximum amount of RAM was installed. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Users	600
Notes	Multiple files were opened for testing and each file was edited by 30 users simultaneously. For tested models with expandable memory, the maximum amount of RAM was installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station

Virtual Machine Manager
Recommended Virtual Machine Instances	2 (Learn more)
Recommended Virtual DSM Number (Licenses required)	2 (including 1 Free License)
Notes	The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections	40

Additional information

Brand	Synology

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About Synology

Data is at the heart of every industry's transformation, and this is where Synology has a profoundly important role to play. At its very core, our mission is to manage and protect the world’s data. Synology uniquely enables every business to manage, secure, and protect their data wherever access is needed from flash to disk to multiple cloud architectures – at the scale needed to accommodate the exponential data growth of the digital world.

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