



Scalable NAS with SSD cache acceleration capability
Synology DS920+ is an ideal NAS solution to streamline data management and productivity. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance. Scalable storage design lets you start small and expand storage capacity with Synology DX517 as your data grows.
Accelerate demanding applications
A more powerful CPU speeds up computing-intensive applications. Easily categorize your photo memories, smoothly manage files across computers and mobile devices, and enjoy blazing fast web applications.
- 4-core 2.0 GHz, burst up to 2.7 GHz
- 2 x built-in M.2 2280 NVMe SSD slots
- Two USB 3.0 ports
- Provides sequential read and write throughput of over 225 MB/s*
- *Performance figures may vary depending on the environment, usage, and configuration
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File sharing and syncingWith comprehensive support for network file sharing protocols — like CIFS, AFP, NFS, FTP, and more — DiskStation allows the entire office to centralize files and collaborate on projects. Or synchronize files across multiple devices or even across several locations so remote teams can work together. |
Your own personal multimedia serverDiskStation allows you to transcode H.265/H.264 4K videos to 1080p and stream them to high-definition TVs, digital media players, mobile handsets, and computers in the required format, making it easy to watch your entire multimedia library without having to install a 3rd party player. |
Bulletproof backupMaintain control of your data and ensure your files are safe with Synology. We provide secure, reliable, and affordable solutions that make it easy to backup files for all your devices and protect yourself from accidental data loss. |
24/7 smart security solutionSurveillance Station delivers intelligent monitoring and video management tools such as managing multiple IP cameras with live streaming, integration of I/O modules and more to help safeguard all the important places in your life. |


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Synology DS220+ |
Synology DS420+ |
Synology DS720+ |
Synology DS920+ |
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Drive Bays | 2 | 4 | 2 | 4 |
Maximum Drive Bays with Expansion Unit | 2 | 4 | 7 | 9 |
Maximum Internal Raw Capacity | 32 TB (16 TB drive x 2) (Capacity may vary by RAID types) | 64 TB (16 TB drive x 4) (Capacity may vary by RAID types) | 32 TB (16 TB drive x 2) (Capacity may vary by RAID types) | 64 TB (16 TB drive x 4) (Capacity may vary by RAID types) |
CPU | 2-core 2.0 (base) / 2.9 (burst) GHz | 2-core 2.0 (base) / 2.9 (burst) GHz | 4-core 2.0 (base) / 2.7 (burst) GHz | 4-core 2.0 (base) / 2.7 (burst) GHz |
Hardware Encryption Engine (AES-NI) | ✓ |
✓ |
✓ |
✓ |
Memory | 2 GB DDR4 (Expandable up to 6GB) | 2 GB DDR4 (Expandable up to 6GB) | 2 GB DDR4 (Expandable up to 6GB) | 4 GB DDR4 (Expandable up to 8GB) |
RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) | 2 (with Link Aggregation / Failover support) | 2 (with Link Aggregation / Failover support) | 2 (with Link Aggregation / Failover support) |
USB 3.0 | 2 | 2 | 2 | 2 |
Compatible Drive Type | 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD | 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD | 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD | 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD |
Product information |
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