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DS220J |
Description: | DiskStation DS220j - NAS - Mini Tower - Realtek - RTD1296 - White |
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DS220J Overview
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.
What is the price of DS220J?
Pricing for DS220J is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for DS220J.
Explore more options from Storage or explore other Synology products.
DS220J Specifications
Product Type | Storage System |
Storage Type | NAS |
Form Factor | Desktop |
Bay Count | 2-bay |
Supported Drive Types | SATA HDD / SATA SSD |
Hot-Swap Support | No |
Max Supported Capacity | 32 TB |
RAID Support | RAID 0 / RAID 1 / JBOD |
CPU Type | Realtek |
CPU Cores | 4 |
Installed RAM | 512 MB |
Max RAM Capacity | 512 MB |
RAM Type | DDR4 |
Network Ports | 1GbE |
LAN Ports | 1 |
USB Ports | USB 3.0 |
Expansion Support | No |
Cooling | Active |
Power Supply | Single |
Power Supply Wattage | N/A |
Operating System | DSM |
Snapshot Support | Yes |
Cloud Sync Support | Yes |
Virtualization Ready | No |
ISCSI Support | Yes |
Surveillance Support | Yes |
Use Case | Home Backup |
Product Name | Synology DiskStation DS220j |
Height | 6.5 inches |
Width | 4.25 inches |
Depth | 9.13 inches |
Weight | 2.5 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Bay Count | 12-bay | 12-bay | 8-bay | 16-bay | 2-bay |
Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
Cooling | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan | Active |
CPU Cores | 8 | 8 | 8 | 8 | 4 |
CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Realtek |
Depth | 28 inches | 27.2 inches | 28 | 28 inches | 9.13 inches |
Expansion Support | Yes | Yes | Yes | Yes | No |
Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Desktop |
Height | 3.5 inches | 3.5 inches | 3 | 3.5 inches | 6.5 inches |
Hot-Swap Support | Yes | Yes | Yes | Yes | No |
Installed RAM | 16 GB | 16 GB | 16 GB | 16 GB | 512 MB |
iSCSI Support | Yes | Yes | Yes | Yes | Yes |
LAN Ports | 4 | 2 | 2 | 4 | 1 |
Max RAM Capacity | 64 GB | 64 GB | 64 GB | 128 GB | 512 MB |
Max Supported Capacity | 512 TB | 192 TB | 256 TB | 512 TB | 32 TB |
Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 1GbE |
Operating System | Custom OS | Custom OS | Custom OS | Custom OS | DSM |
Power Supply | Redundant | Redundant | Redundant | Redundant | Single |
Power Supply Wattage | 750W | 350W | 350W | 350W | N/A |
Product Name | 763840-B21 | AS5500G2 | 5800V3-256G-AC | STTZ16STTS Enterprise Storage Array | Synology DiskStation DS220j |
Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / JBOD |
RAM Type | DDR4 | DDR4 | ECC DDR4 | ECC DDR4 | DDR4 |
Snapshot Support | Yes | Yes | Yes | Yes | Yes |
Storage Type | SAN | SAN | SAN | SAN | NAS |
Supported Drive Types | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SATA SSD |
Surveillance Support | No | No | No | Yes | Yes |
USB Ports | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.0 | USB 3.0 |
Use Case | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center | Home Backup |
Virtualization Ready | Yes | Yes | Yes | Yes | No |
Weight | 45 lbs | 45 lbs | 25 lbs | 45 lbs | 2.5 lbs |
Width | 19 inches | 17.5 inches | 17 | 17.3 inches | 4.25 inches |
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