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DS720+
DiskStation DS720+ - NAS - Desktop - Intel® Celeron® - J4125...
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DS720+ is a high-performance NAS designed for small to medium business backup, enterprise data centers, virtualization, and media server applications. It is a 2-bay storage system supporting both SATA HDD and SATA SSD drives with a total storage capacity of up to 32 TB when using dual 16 TB drives. The DS720+ supports RAID 0, RAID 1, and JBOD configurations and is powered by an Intel Celeron processor with 4 cores that ensures efficient data processing while running Synology’s DSM operating system.
DS720+ comes with 2 GB of DDR4 memory pre-installed, which can be upgraded to a maximum of 4 GB as per official vendor documentation. The NAS features integrated 1GbE network ports with 2 LAN ports and provides USB 3.0 connectivity. It also offers expansion support for future scalability, active cooling, and a single 150W power supply, making it an ideal solution for diverse use cases such as SMB backup, virtualization, media serving, and enterprise data center deployments.
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 DS720+ |  RX1217SAS |  RS2421+ |  FS6400 |  RS820RP+ | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | SAN | NAS | SAN | NAS |
| Form Factor | Desktop | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 2-bay | 12-bay | 12-bay | 12-bay | 8-bay |
| Supported Drive Types | SATA HDD / SATA SSD | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed |
| Hot-Swap Support | No | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 32 TB | 512 TB | 192 TB | 1 PB | 256 TB |
| RAID Support | RAID 0 / RAID 1 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| CPU Type | Intel Celeron | Intel Xeon | AMD Ryzen | Intel Xeon | Intel Atom |
| CPU Cores | 4 | 8 | 4 | 8 | 4 |
| Installed RAM | 2 GB | 16 GB | 8 GB | 16 GB | 8 GB |
| Max RAM Capacity | 4 GB | 64 GB | 64 GB | 64 GB | 32 GB |
| RAM Type | DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | DDR3 |
| Network Ports | 1GbE | 10GbE | 10GbE | 10GbE | 1GbE |
| LAN Ports | 2 | 2 | 2 | 2 | 2 |
| USB Ports | USB 3.0 | USB 3.0 | USB 3.2 | USB 3.2 | USB 3.0 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan |
| Power Supply | Single | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 150W | 350W | 350W | 500W | 350W |
| Operating System | DSM | Custom OS | QTS | Custom OS | QTS |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | Yes | No | Yes | Yes | Yes |
| Use Case | SMB | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | SMB Backup / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center |
| Product Name | Synology DiskStation DS720+ | RX1217SAS Storage Array | RS2421+ | FS6400 Unified Storage System | RS820RP+ |
| Height | 8.8 inches | 1.75 inches | 3.5 inches | 3 inches | 3.5 inches |
| Width | 6.5 inches | 19 inches | 17.3 inches | 17 inches | 17.5 inches |
| Depth | 4.3 inches | 25 inches | 28 inches | 28 inches | 28.7 inches |
| Weight | 5.8 lbs | 40 lbs | 44 lbs | 45 lbs | 32 lbs |
High-performance 2-bay NAS with NVMe slot support. It delivers exceptional speed for our professional office server applications.
Exceptional responsiveness and robust features. The DS720+ is perfect for maintaining a high-speed and secure office cloud environment.
Consistent throughput and professional-grade reliability. It handles our daily backups and virtualization with absolute stability and speed.
Outstanding build quality and scalability. A very dependable choice for businesses needing a high-performance and compact storage server.
Trustworthy performance for demanding small networks. The DS720+ delivers consistent speed and easy management for professional data.
Superior 2-bay NAS with impressive processing power. It provides the reliable performance needed for our business-critical office applications.
Top-tier compact NAS for professional use. It offers excellent throughput and the reliable data protection our team requires.
The Synology DS720+ is a two-bay desktop NAS powered by an Intel® Celeron® J4125 quad-core CPU, designed for home and small office file storage, multimedia streaming, backup, and collaboration.
The DS720+ ships with 2 GB DDR4 RAM pre-installed and supports expansion up to 6 GB by adding a compatible 4 GB SO-DIMM module.
The DS720+ supports two 3.5″ or 2.5″ SATA HDDs/SSDs in its drive bays, and can host two additional NVMe M.2 SSDs for caching to boost performance.
With two 16 TB drives, the DS720+ delivers up to 32 TB of raw storage capacity; adding two M.2 SSDs yields enhanced caching, not additional volume capacity.