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RS2421+
Synology RackStation RS2421+ - NAS - Rack (2U) - AMD Ryzen -...
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
RS2421+ is a NAS built for high-performance storage with 12 drive bays that accommodate SATA HDD, SAS HDD, SATA SSD, and NVMe SSD drive types. It offers a total storage capacity of up to 192 TB and supports a comprehensive range of RAID configurations including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50, RAID 60, and JBOD.
RS2421+ is powered by a quad‑core AMD Ryzen processor paired with 8 GB of pre‑installed DDR4 memory (expandable up to 64 GB). The system features versatile interfaces with USB 3.2 and dual 10GbE network ports, along with expansion support, redundant power supply, and redundant fan cooling. This makes it an ideal solution for SMB backup, enterprise data centers, virtualization, and media server use cases.
RS2421+ price is is available on request. Get immediate quote.
Request bulk order quote for RS2421+ for additional pricing. Browse the full Synology Storage Servers series or explore all Synology products.
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| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS / DAS / SAN | NAS | NAS | NAS |
| Form Factor | Rackmount | Rackmount | Desktop | Rackmount | Rackmount |
| Bay Count | 12-bay | 4-bay | 4-bay | 12-bay | 36-bay |
| Supported Drive Types | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SATA SSD | SATA HDD / SATA SSD | SATA HDD / SAS HDD | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 192 TB | 64 TB | 64 TB | 192 TB | 1 PB |
| RAID Support | 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 | RAID 0 / RAID 1 / RAID 5 / 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 / RAID 50 / RAID 60 / JBOD |
| CPU Type | AMD Ryzen | Intel Xeon | Realtek | Intel Xeon | Intel Xeon |
| CPU Cores | 4 | 4 | 4 | 4 | 8 |
| Installed RAM | 8 GB | 8 GB | 1 GB | 8 GB | 16 GB |
| Max RAM Capacity | 64 GB | 64 GB | 1 GB | 64 GB | 64 GB |
| RAM Type | DDR4 | ECC DDR4 | DDR4 | DDR3 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 1GbE | 1GbE | 10GbE |
| LAN Ports | 2 | 2 | 1 | 4 | 4 |
| USB Ports | USB 3.2 | USB 3.0 | USB 3.0 | USB 3.0 | USB 3.2 |
| Expansion Support | Yes | Yes | No | Yes | Yes |
| Cooling | Redundant Fan | Redundant Fan | Active | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Redundant | Single | Redundant | Redundant |
| Operating System | QTS | QTS | DSM | DSM | Custom OS |
| Snapshot Support | Yes | Yes | No | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | No | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | Yes | Yes | Yes | Yes | No |
| Use Case | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Home Backup | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server |
| Product Name | RS2421+ | QNAP RS1619XS+ | Synology DiskStation DS420J | Synology DiskStation DS3617XS | SA3600 Enterprise Storage System |
| Height | 3.5 inches | 1.7 inches | 9.13 inches | 3.4 inches | 3.5 inches |
| Width | 17.3 inches | 17.3 inches | 4.17 inches | 17.3 inches | 17 inches |
| Depth | 28 inches | 27.4 inches | 6.54 inches | 26.4 inches | 20 inches |
| Weight | 44 lbs | 24.3 lbs | 4.8 lbs | 39.7 lbs | 45 lbs |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
High-capacity 12-bay storage with Ryzen power. Delivers consistent performance for our professional data management.
Exceptional reliability and throughput. This RackStation handles our large-scale backups with absolute professional efficiency.
Robust performance and great scalability. Perfect for businesses needing a dependable and powerful 2U storage solution.
Superior build quality and stable operation. It provides high-speed access for our multi-user office network.
Top-tier reliability for professional archives. The hardware is solid and handles heavy workloads with ease.
Excellent throughput and massive capacity. A trustworthy investment for any business requiring large-scale network storage.
Solid 12-bay 2U RackStation with impressive Ryzen processing power. It manages our high-volume file transfers with ease and offers excellent reliability for our backups.
Exceptional value for a high-capacity enterprise NAS. The performance is consistent, and the unit integrates perfectly with our existing rack infrastructure for easy management.
Robust and dependable 2U storage. This unit provides the throughput necessary for our multi-user environment and ensures our business data remains secure and accessible.
Top-tier reliability and great scalability. The RS2421+ is a trustworthy solution for our growing storage needs, offering stable performance under heavy multi-user loads.
Outstanding 12-bay capacity and reliable data protection. It is a powerful workhorse that effectively supports our office networking and archive requirements.
The RS2421+ is a 2U rack‐mount NAS powered by a quad‐core AMD Ryzen V1500B CPU, supports up to 32 GB DDR4 ECC memory, and offers 12 drive bays with scalable expansion.
Equipped with a quad‐core AMD Ryzen V1500B at 2.2 GHz, the RS2421+ delivers strong multitasking, encryption acceleration, and consistent throughput for demanding workloads.
The RS2421+ ships with 4 GB DDR4 ECC RAM and supports up to 32 GB across two SO-DIMM slots to optimize caching, virtualization, and heavy‐load tasks.
The RS2421+ features 12 native 3.5″/2.5″ SATA bays, supporting up to 192 TB of raw storage. You can add two RX1217/RX1217RP expansion units to reach 36 bays.
Yes. By connecting up to two RX1217/RX1217RP expansion units, you can expand to a total of 36 drive bays for up to 576 TB raw capacity.
The RS2421+ includes four 1 GbE LAN ports with failover and Link Aggregation support, plus two integrated M.2 NVMe slots for SSD caching or dual-10 GbE expansion via E10M20-T1.
Yes. The RS2421+ is certified for VMware, Citrix, Microsoft Hyper-V, and OpenStack, offering iSCSI and NFS storage for virtual machine deployment and backups.
It provides Snapshot Replication, Hyper Backup, Active Backup for Business, and Btrfs file-system with point-in-time snapshots to ensure fast recovery and data integrity.
The RS2421+ runs Synology DiskStation Manager (DSM), a web-based OS with an intuitive interface, centralized management, and a comprehensive suite of productivity and security apps.
Mount the 2U chassis into a standard 19″ rack using the supplied rails, connect power and LAN cables, then complete the quick‐start wizard in DSM for initial configuration.
With SSD caching and link aggregation, the RS2421+ can deliver over 2 000 MB/s sequential read and 1 500 MB/s sequential write speeds for demanding workflows.
The system consumes around 60 W at full load and under 20 W during hibernation, thanks to its AMD Ryzen processor’s low-power design and DSM’s power management features.
Absolutely. Its scalable storage, robust data protection, virtualization support, and central management make it ideal for SMB file sharing, backups, and private cloud services.
The RS2421+ operates at approximately 27 dBA in typical office environments, ensuring quiet operation for data center or office rack deployments.
Yes. DSM’s Cloud Sync and Hyper Backup allow seamless backups and synchronization with AWS S3, Azure Blob, Google Drive, and other major cloud providers.
Synology offers a two-year limited warranty, extendable with Synology Replacement Service up to five years, plus global technical support and software updates.