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DS220J
DiskStation DS220j - NAS - Mini Tower - Realtek - RTD1296 -...
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DS220J is a 2-bay NAS that supports SATA HDD and SATA SSD drives, offering a total storage capacity of up to 32 TB. It provides RAID 0, RAID 1, and JBOD configurations, is powered by a Realtek quad‑core processor running at 1.4 GHz with 512 MB DDR4 memory, and connects via a 1GbE Ethernet interface and USB 3.0 ports.
Designed for use cases such as SMB backup and home media server setups, DS220J features active cooling with a single, non‑redundant power supply. With no expansion support, it delivers an accessible, reliable solution for small office and home network environments.
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| DS220J |  DS418 |  DS218 |  DS923+ |  DS223 | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | NAS | NAS | NAS |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Desktop |
| Bay Count | 2-bay | 4-bay | 2-bay | 4-bay | 2-bay |
| Supported Drive Types | SATA HDD / SATA SSD | SATA HDD / SATA SSD | SATA HDD / SATA SSD | Mixed | SATA HDD / SATA SSD |
| Hot-Swap Support | No | Yes | Yes | Yes | No |
| Max Supported Capacity | 32 TB | 64 TB | 32 TB | 64 TB | 32 TB |
| RAID Support | RAID 0 / RAID 1 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD | RAID 0 / RAID 1 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / JBOD |
| CPU Type | Realtek | Realtek | Realtek | AMD Ryzen | Realtek |
| CPU Cores | 4 | 4 | 4 | 4 | 4 |
| Installed RAM | 512 MB | 2 GB | 2 GB | 4 GB | 2 GB |
| Max RAM Capacity | 512 MB | 2 GB | 2 GB | 32 GB | 4 GB |
| RAM Type | DDR4 | DDR4 | DDR4 | ECC DDR4 | DDR4 |
| Network Ports | 1GbE | 1GbE | 1GbE | 2.5GbE | 1GbE |
| LAN Ports | 1 | 2 | 2 | 2 | 1 |
| USB Ports | USB 3.0 | USB 3.0 | USB 3.0 | USB 3.2 | USB 3.0 |
| Expansion Support | No | No | No | Yes | Yes |
| Cooling | Active | Active | Active | Active | Active |
| Power Supply | Single | Single | Single | Single | Single |
| Power Supply Wattage | N/A | N/A | N/A | 150W | 150W |
| Operating System | DSM | DSM | DSM | QTS | DSM |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | No | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | Yes | Yes | Yes | Yes | Yes |
| Use Case | Home Backup | SMB / Media Server / Virtualization | Home Backup / SMB / Media Server / Virtualization | SMB | SMB |
| Product Name | Synology DiskStation DS220j | Synology DiskStation DS418 | Synology DiskStation DS218 | QNAP DS923+ | Synology DiskStation DS223 |
| Height | 6.5 inches | 9.1 inches | 9.13 inches | 6.61 inches | 4.0 inches |
| Width | 4.25 inches | 6.5 inches | 6.50 inches | 8.74 inches | 6.3 inches |
| Depth | 9.13 inches | 8.8 inches | 4.25 inches | 9.06 inches | 9.1 inches |
| Weight | 2.5 lbs | 4.5 lbs | 2.71 lbs | 6.5 lbs | 5.4 lbs |
Reliable entry-level 2-bay NAS. Perfect for simple office file sharing and basic data backups with quiet operation.
Consistent performance and easy setup. The DS220j is a cost-effective solution for small offices needing dependable network storage.
Excellent value and user-friendly interface. It provides a stable and efficient platform for our basic document management needs.
Robust and efficient 2-bay storage. It offers reliable performance for standard office tasks and simple cloud storage integration.
Professional grade reliability in a compact tower. A dependable choice for businesses requiring straightforward and accessible network storage.
Top-tier entry-level NAS for small teams. It delivers consistent speed and the basic data protection our office requires.
Trustworthy performance for basic networking. The DS220j provides a solid and reliable way to centralize our office files.
The Synology DiskStation DS220j is a 2-bay NAS mini tower powered by a Realtek RTD1296 quad-core processor, designed for home and small-office data storage, backup, and file sharing.
The DS220j features a Realtek RTD1296 quad-core 1.4 GHz CPU, 512 MB DDR4 memory, two 3.5″/2.5″ drive bays, dual Gigabit Ethernet ports, and USB 3.0 connectivity.
The DS220j supports up to two 16 TB drives for a total raw capacity of 32 TB and expandable storage via external USB drives.
Yes. The DS220j supports RAID 0, RAID 1, JBOD, and Basic volume types for data redundancy and performance optimization.
It is powered by a Realtek RTD1296 quad-core 1.4 GHz processor paired with 512 MB of DDR4 memory, optimized for energy-efficient performance.
Under optimal conditions, the DS220j delivers up to 112 MB/s read and 112 MB/s write speeds over dual Gigabit Ethernet links using Link Aggregation.
Install hard drives, connect to your router via Ethernet, power on, then complete the setup with Synology’s DSM Web Assistant at find.synology.com.
Yes. The DS220j fully supports Windows, macOS, and Linux operating systems for seamless file sharing and backup.
Absolutely. It supports DLNA, Plex Media Server, and Synology Video Station for streaming photos, music, and videos to smart TVs, mobile devices, and media players.
Use Synology Drive for PC/Mac backup, Hyper Backup for multi-version snapshots, or USB Copy for one-touch external backups.
Yes. With Synology’s DS cloud, DS file, DS video, and QuickConnect, you can access and back up data from anywhere via mobile devices.
The DS220j includes AES 256-bit folder encryption, firewall, auto-block, 2-step verification, and Security Advisor for proactive protection.
Typical power consumption is 14.69 W during access and 4.41 W in HDD hibernation mode, ensuring energy-efficient operation.
Operating noise is rated at 19.2 dB(A), making it one of the quietest 2-bay NAS models ideal for home environments.
The DS220j includes a two-year limited warranty, with optional extension to five years through Synology’s Extended Warranty service.
Via Synology DSM, you can install applications such as Moments, MailPlus Server, Surveillance Station, Docker, and Virtual Machine Manager for versatile usage.