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RS820RP+
RackStation RS820RP+ - NAS - Rack (1U) - Intel Atom® - C3538...
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RS820RP+ is a high-performance NAS engineered for demanding data center and enterprise backup applications. It features an 8-bay design that supports a mixed array of drive types, including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD, enabling a total storage capacity of up to 256 TB. Powered by an Intel Atom 4-core processor with 8 GB of DDR3 memory (expandable to 32 GB), the unit supports multiple RAID levels—RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10—to protect critical data without compromise.
RS820RP+ offers robust connectivity and reliability with dual 1GbE LAN ports and a USB 3.0 interface, accompanied by expansion capabilities for scalable storage growth. Its redundant fan cooling and redundant 350W power supply secure continuous operation, while features like snapshot support, cloud sync, virtualization readiness, and iSCSI enable versatile use cases ranging from enterprise data centers and virtualization environments to media servers and surveillance storage solutions.
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| RS820RP+ |  DS420+ |  DS920+ |  RS2421+ |  RX1216SAS | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | NAS | NAS | SAN |
| Form Factor | Rackmount | Desktop | Desktop | Rackmount | Rackmount |
| Bay Count | 8-bay | 4-bay | 4-bay | 12-bay | 12-bay |
| Supported Drive Types | Mixed | Mixed | SATA HDD / SATA SSD / NVMe SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 256 TB | 64 TB | 64 TB | 192 TB | 1 PB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD | 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 |
| CPU Type | Intel Atom | Intel Celeron | Intel Celeron | AMD Ryzen | Intel Xeon |
| CPU Cores | 4 | 4 | 4 | 4 | 8 |
| Installed RAM | 8 GB | 4 GB | 4 GB | 8 GB | 16 GB |
| Max RAM Capacity | 32 GB | 8 GB | 8 GB | 64 GB | 64 GB |
| RAM Type | DDR3 | DDR4 | DDR4 | DDR4 | DDR4 |
| Network Ports | 1GbE | 1GbE | 1GbE | 10GbE | 10GbE |
| LAN Ports | 2 | 2 | 2 | 2 | 2 |
| USB Ports | USB 3.0 | USB 3.0 | USB 3.0 | USB 3.2 | USB 3.0 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Active | Active | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Single | Single | Redundant | Redundant |
| Power Supply Wattage | 350W | 250W | N/A | 350W | 500W |
| Operating System | QTS | QTS | DSM | QTS | Custom OS |
| 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 | Yes | Yes | Yes | No |
| Use Case | Enterprise Data Center | SMB | SMB / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center |
| Product Name | RS820RP+ | DS420+ | Synology DS920+ | RS2421+ | RX1216SAS |
| Height | 3.5 inches | 3.7 inches | 8.8 inches | 3.5 inches | 4 inches |
| Width | 17.5 inches | 8.7 inches | 6.5 inches | 17.3 inches | 17 inches |
| Depth | 28.7 inches | 10.2 inches | 7.8 inches | 28 inches | 28 inches |
| Weight | 32 lbs | 12 lbs | 4.8 lbs | 44 lbs | 35 lbs |
Robust 1U RackStation with power redundancy. Provides consistent performance and high availability for our business servers.
Exceptional uptime and professional design. The redundant power supplies are vital for our mission-critical data integrity.
Reliable performance and easy rack management. It handles our backups and office file sharing with ease.
Superior 1U storage with rock-solid stability. Perfect for businesses requiring high-availability in a compact rack form.
Trustworthy hardware with consistent throughput. The RS820RP+ offers impressive features for professional network storage.
Top-tier reliability and great scalability. A dependable workhorse for maintaining constant access to office data.
The Synology RackStation RS820RP+ is a 1U rack-mount NAS powered by an Intel Atom C3538 quad-core CPU, designed for SMBs requiring high availability, scalable storage and centralized data management.
The RS820RP+ uses an Intel Atom C3538 quad-core 2.1 GHz processor, delivering efficient multi-threaded performance for file sharing, virtualization and data backup tasks.
The RS820RP+ ships with 2 GB DDR4 ECC RAM, expandable up to 18 GB, ensuring stable performance under heavy workloads and error correction for data integrity.
The RS820RP+ features four 3.5″/2.5″ hot-swappable SATA drive bays, supporting up to 64 TB raw capacity or greater with Synology Expansion Unit RX418.
The RS820RP+ supports Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5 and RAID 10, offering flexibility between performance, capacity and redundancy.
The RS820RP+ includes four 1 GbE LAN ports with Link Aggregation and failover support, and an optional 10 GbE network card can be installed for higher throughput.
Yes, the RS820RP+ accommodates 3.5″ HDDs and 2.5″ SATA SSDs, enabling hybrid storage pools and SSD caching for accelerated application performance.
The RS820RP+ offers redundant power supplies, failover LAN, snapshot replication and Synology High Availability (SHA) to minimize downtime and protect critical data.
The RS820RP+ runs Synology DiskStation Manager (DSM), a browser-based OS with built-in applications for file sharing, backup, virtualization and cloud synchronization.
The RS820RP+ supports Hyper Backup, Active Backup for Business, Snapshot Replication, Cloud Sync and third-party backup agents for comprehensive on-premises and cloud protection.
Yes, the RS820RP+ is certified for VMware, Citrix, Hyper-V and OpenStack, offering iSCSI, NFS and snapshot support to optimize virtual machine storage.
The RS820RP+ consumes approximately 37.6 W when active and 18.3 W in HDD hibernation, featuring 80 PLUS-rated power supplies and intelligent fan control for energy savings.
The RS820RP+ includes AES-256 encryption, firewall, auto block, 2-step verification, Security Advisor, and application-level permissions to safeguard data and network access.
Attach up to two RX418 expansion units via eSATA to increase capacity by 8 drive bays each, for a maximum of 20 drives and over 320 TB raw storage.
The RS820RP+ measures 443 mm × 482 mm × 44 mm (W×D×H) and weighs 5.12 kg, fitting standard 19″ server racks in 1U form factor.
Synology provides a 3-year limited warranty with optional 2-year extension, covering hardware defects and free software updates throughout the warranty period.
United States