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RS422+
SYNOLOGY 4 BAY RACKSTATION RS422+ DISKLESS
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$5,000,000+
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RS422+ is a SAN storage system offering a 12-bay enclosure designed for flexible drive configurations that include SATA, SAS, SSD, and NVMe drives. It provides a total storage capacity of 512 TB, supports a range of RAID levels – including RAID 0, RAID 1, RAID 5, RAID 6, and JBOD – and is powered by an Intel Xeon 8-core processor with 16 GB pre-installed memory that can be expanded up to 64 GB using ECC DDR4 modules.
RS422+ delivers comprehensive connectivity with a USB 3.2 port and a robust 10GbE network interface complemented by 4 LAN ports. With expansion support, active cooling, and a redundant power supply rated at 500W, this system is ideally suited for SMB backup, enterprise data centers, virtualization, and media server applications.
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| RS422+ |  DS3617XS |  DS1621XS+ |  FX2421 |  DS1821+ | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | SAN | NAS | NAS | SAN | NAS |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Desktop |
| Bay Count | 12-bay | 12-bay | 6-bay | 24-bay | 8-bay |
| Supported Drive Types | Mixed | SATA HDD / SAS HDD | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SATA SSD |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 192 TB | 96 TB | 512 TB | 192 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / 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 | 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 / JBOD |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | AMD Ryzen |
| CPU Cores | 8 | 4 | 4 | 8 | 4 |
| Installed RAM | 16 GB | 8 GB | 8 GB | 16 GB | 4 GB |
| Max RAM Capacity | 64 GB | 64 GB | 32 GB | 128 GB | 32 GB |
| RAM Type | ECC DDR4 | DDR3 | ECC DDR4 | DDR4 | DDR4 |
| Network Ports | 10GbE | 1GbE | 10GbE | 10GbE | 1GbE |
| LAN Ports | 4 | 4 | 2 | 4 | 4 |
| USB Ports | USB 3.2 | USB 3.0 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Redundant Fan | Redundant Fan | Active |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Single |
| Power Supply Wattage | 500W | 350W | 350W | 750W | 250W |
| Operating System | Custom OS | DSM | 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 | No | Yes | Yes | No | Yes |
| Use Case | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center / Virtualization / SMB | Enterprise Data Center / Virtualization / Media Server / SMB | SMB |
| Product Name | RS422+ Enterprise Storage System | Synology DiskStation DS3617XS | QNAP DS1621XS+ | FX2421 Enterprise SAN Storage | DS1821+ |
| Height | 3 inches | 3.4 inches | 10.9 inches | 3 inches | 9.8 inches |
| Width | 17 inches | 17.3 inches | 17.2 inches | 17 inches | 17.5 inches |
| Depth | 25 inches | 26.4 inches | 10.4 inches | 29 inches | 10.2 inches |
| Weight | 35 lbs | 39.7 lbs | 25.7 lbs | 45 lbs | 21.6 lbs |
Reliable 4-bay RackStation in a shallow-depth chassis. Perfect for space-constrained racks needing professional-grade storage and performance.
Exceptional throughput and robust build. This compact rackmount NAS provides the consistent performance our office networking tasks demand.
Consistent data rates and stable operation. The RS422+ is a dependable solution for small business rack storage needs.
Professional grade 4-bay storage with impressive efficiency. It handles our daily backups and file sharing with absolute stability.
Outstanding reliability in a compact 1U design. A very trustworthy choice for businesses needing efficient and scalable networking.
Robust performance and easy rack integration. It consistently delivers the speed and capacity our professional network infrastructure requires.
Top-tier compact rackmount NAS for professionals. It offers excellent value and the reliable data protection our team needs.
The RS422+ supports up to 72 TB raw capacity with four 18 TB drives and can be expanded further via Synology expansion units.
No, the RS422+ is sold diskless, giving you the flexibility to choose and install your own SATA HDDs or SSDs.
The RS422+ is equipped with an Intel Celeron J4125 quad-core 2.0 GHz processor (burst up to 2.7 GHz) for reliable SMB performance.
It ships with 4 GB DDR4 ECC SODIMM memory, user-expandable to a maximum of 32 GB (2×16 GB modules).
It offers four Gigabit Ethernet ports with Link Aggregation and failover support, plus two eSATA ports for expansion units.
Yes, it features two internal M.2 NVMe 2280 slots for SSD cache acceleration, boosting I/O performance.
It supports Basic, JBOD, RAID 0/1/5/6/10 and Synology Hybrid RAID for flexible data protection.
The RS422+ runs Synology DiskStation Manager (DSM) 7.1, offering an intuitive web-based interface and rich applications.
Yes, Synology Hybrid RAID (SHR) is fully supported, simplifying volume management and maximizing usable space.
With its optimized file-serving engine, the RS422+ can handle over 2,700 concurrent CIFS/SMB connections.
Yes, it supports VMware, Hyper-V, Citrix and integrates with Synology Virtual Machine Manager and Docker for virtual workloads.
It includes Hyper Backup, Snapshot Replication and Cloud Sync for comprehensive local, remote and cloud-based backups.
Yes, DSM natively integrates with AWS, Microsoft Azure, Google Cloud and any S3-compatible storage for hybrid cloud workflows.
It offers AES-NI hardware encryption, built-in firewall, automatic security updates and advanced malware protection.
Yes, it supports Synology Surveillance Station with licensing for up to 40 IP cameras and real-time monitoring.
The RS422+ consumes as little as 25.15 W idle and 40.65 W under load, featuring a 1U rack-mount design optimized for low power.
It includes a 3-year limited warranty with optional 2-year extension plans and 24/7 technical support from Synology.
United States