Synology DiskStation DS220j 2-Bays – DS220j
DiskStation DS220j
Personal cloud solution for data sharing and backup
Overview
Features
An easy-to-use private cloud for everyone
DS220j is an entry-level 2-bay NAS designed for home and personal users to store and share photos, videos, and documents. The private cloud solution is powered by the award-winning DiskStation Manager (DSM) OS, providing an intuitive user interface and safe data protection approaches for easy digital asset backups from computers and mobile devices at no additional cost.
CPU
64-bit 4-core 1.4 GHz
Performance
More than 112 MB/s reading and writing1
Safe storage
RAID 1 protection to avoid sudden drive failure
Cost savings
No public-cloud subscription fees
Centralized backup solution for your digital devices
Synology’s comprehensive multi-version backup solution protects your digital assets on computers (Windows/Mac) and mobile phones (Android/iOS) against malicious attacks, including the rising encryption-based ransomware threats.
Synology Hybrid RAID (SHR) technology
Storage management is easy with Synology Hybrid RAID (SHR) technology. SHR is an automated RAID management system that allows you to easily create and expand storage volumes and migrate RAID types without requiring details on the RAID setup. SHR provides 1-disk redundancy to safeguard your data in case of drive failures.
Cost-effective
SHR maximizes the data capacity of your RAID when different size HDDs are used. Calculate your RAID needs.
Easy Management
For new users with limited technical knowledge who want to protect their data using RAID technology, a convenient installation wizard will guide you through all the steps during your first installation.
Scalability
Add new disks on the fly in Storage Manager with a simple click. Learn more about SHR.
Flexibility
While creating a volume, choose to plan ahead and leave empty or unallocated space for future use.
Powered by Synology DiskStation Manager
Hyper Backup
Store multiple backup versions with block-level incremental data backup and cross-version deduplication.
DSM UI
Award-winning operating system with an intuitive user interface and powerful capabilities.
Security
Secure data with comprehensive built-in security tools to protect your devices against evolving threats.
All-in-one server
Save additional investment by integrating various network services, web/mail services, management applications into your NAS.
DiskStation DS220j
- 1 Status indicator
- 2 LAN indicator
- 3 Drive status indicator
- 4 Power button and indicator
- 5 System fan
- 6 USB 3.0 port
- 7 Reset button
- 8 Power port
- 9 1GbE RJ-45 port
- 10 Kensington Security Slot
Detailed Tech Specification
Hardware Specs
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CPU
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CPU Model | Realtek RTD1296 |
|---|---|---|
| CPU Quantity | 1 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 4-core 1.4 GHz | |
| Hardware Encryption Engine | Yes | |
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Memory
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System Memory | 512 MB DDR4 non-ECC |
| Notes | 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. | |
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Storage
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Drive Bays | 2 |
| Compatible Drive Type* (See all supported drives) |
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| 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. | |
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External Ports
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RJ-45 1GbE LAN Port | 1 |
| USB 3.2 Gen 1 Port* | 2 | |
| Notes | The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. | |
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File System
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Internal Drives |
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| External Drives |
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| 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. | |
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Appearance
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Size (Height x Width x Depth) | 165 mm x 100 mm x 225.5 mm |
| Weight | 0.88 kg | |
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Others
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System Fan | 92 mm x 92 mm x 1 pcs |
| Fan Speed Mode |
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| Brightness Adjustable Front LED Indicators | Yes | |
| Power Recovery | Yes | |
| Noise Level* | 18.2 dB(A) | |
| Scheduled Power On / Off | Yes | |
| Wake on LAN / WAN | Yes | |
| Power Supply Unit / Adapter | 60 W | |
| AC Input Power Voltage | 100V to 240V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption* | 12.46 W (Access) 5.06 W (HDD Hibernation) |
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| British Thermal Unit | 45.52 BTU/hr (Access) 17.27 BTU/hr (HDD Hibernation) |
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| Notes |
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Temperature
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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 | |
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Certification
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Warranty
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2-year hardware warranty, extendable to 4 years with Extended Warranty Plus | |
| Notes |
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Environment
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RoHS Compliant | |
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Packaging Content
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Optional Accessories
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Software Specs
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DSM Specifications
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|---|---|---|
| Maximum Single Volume Size* | 108 TB | |
| Maximum Internal Volume Number | 64 | |
| Supported RAID Type |
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| RAID Migration | Basic to RAID 1 | |
| Volume Expansion with Larger HDDs |
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| Volume Expansion by Adding a HDD | Synology Hybrid RAID | |
| Notes |
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| File Protocol | SMB/AFP/NFS/FTP/WebDAV | |
| Maximum Concurrent SMB/AFP/FTP Connections | 100 | |
| Windows Access Control List (ACL) Integration | Yes | |
| NFS Kerberos Authentication | Yes | |
| Notes | 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. | |
| Maximum Local User Accounts | 1,024 | |
| Maximum Local Groups | 256 | |
| Maximum Shared Folder | 256 | |
| Maximum Shared Folder Sync Tasks | 2 | |
| Syslog Events per Second | 200 | |
| Networking Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | |
| Supported Browsers |
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| 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. | |
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Add-on Packages view the complete package list
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| Maximum Users | 10 | |
| Notes | When applicable, systems are tested configured with maximum memory and set to allow the maximum number of connections. | |
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Download Station
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Maximum Concurrent Download Tasks | 50 |
| Maximum iSCSI Target Number | 10 | |
| Maximum LUN | 10 | |
| Notes | iSCSI Manager has been renamed to SAN Manager in DSM 7.0. | |
| DLNA Compliance | Yes | |
| Facial Recognition | Yes | |
| Maximum IP cam (Licenses required) | 12 (including 2 Free License) (see all supported IP cameras) | |
| Total FPS (H.264) | 360 FPS @ 720p (1280×720) 110 FPS @ 1080p (1920×1080) 70 FPS @ 3M (2048×1536) 40 FPS @ 5M (2591×1944) 30 FPS @ 4K (3840×2160) |
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| Total FPS (H.265) | 360 FPS @ 720p (1280×720) 240 FPS @ 1080p (1920×1080) 110 FPS @ 3M (2048×1536) 70 FPS @ 5M (2591×1944) 40 FPS @ 4K (3840×2160) |
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| Total FPS (MJPEG) | 80 FPS @ 720p (1280×720) 50 FPS @ 1080p (1920×1080) 40 FPS @ 3M (2048×1536) 20 FPS @ 5M (2591×1944) |
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| Notes |
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| Recommended Number of Concurrent Sync Clients | 200 (the number of connections that can be maintained when the recommended number of hosted files was reached) | |
| Recommended Number of Hosted Files | 500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) | |
| Notes |
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| Maximum Users | 200 | |
| Notes |
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| Video Transcoding | Group 2 (See more) | |
| Maximum Connections | 10 | |
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