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RS2421+
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- Synology RackStation RS2421+ - NAS - Rack (2U) - AMD Ryzen - V1500B - Black (RS2421+)
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3 Year Extended Warranty
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
RS2421+ Overview
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.
What is the price of RS2421+?
Pricing for RS2421+ is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for RS2421+.
Explore more options from Storage or explore other Synology products.
RS2421+ Specifications
| Product Type | Storage System |
| Storage Type | NAS |
| Form Factor | Rackmount |
| Bay Count | 12-bay |
| Supported Drive Types | SATA HDD / SAS HDD / SATA SSD / NVMe SSD |
| Hot-Swap Support | Yes |
| Max Supported Capacity | 192 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD |
| CPU Type | AMD Ryzen |
| CPU Cores | 4 |
| Installed RAM | 8 GB |
| Max RAM Capacity | 64 GB |
| RAM Type | DDR4 |
| Network Ports | 10GbE |
| LAN Ports | 2 |
| USB Ports | USB 3.2 |
| Expansion Support | Yes |
| Cooling | Redundant Fan |
| Power Supply | Redundant |
| Power Supply Wattage | 350W |
| Operating System | QTS |
| Snapshot Support | Yes |
| Cloud Sync Support | Yes |
| Virtualization Ready | Yes |
| ISCSI Support | Yes |
| Surveillance Support | Yes |
| Use Case | SMB / Enterprise Data Center / Virtualization / Media Server |
| Product Name | RS2421+ |
| Height | 3.5 inches |
| Width | 17.3 inches |
| Depth | 28 inches |
| Weight | 44 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Bay Count | 4-bay | 4-bay | 12-bay | 36-bay | 12-bay |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan |
| CPU Cores | 4 | 4 | 4 | 8 | 4 |
| CPU Type | Realtek | Intel Xeon | AMD Ryzen | Intel Xeon | Intel Xeon |
| Depth | 6.54 inches | 27.4 inches | 28 inches | 20 inches | 26.4 inches |
| Expansion Support | No | Yes | Yes | Yes | Yes |
| Form Factor | Desktop | Rackmount | Rackmount | Rackmount | Rackmount |
| Height | 9.13 inches | 1.7 inches | 3.5 inches | 3.5 inches | 3.4 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Installed RAM | 1 GB | 8 GB | 8 GB | 16 GB | 8 GB |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 1 | 2 | 2 | 4 | 4 |
| Max RAM Capacity | 1 GB | 64 GB | 64 GB | 64 GB | 64 GB |
| Max Supported Capacity | 64 TB | 64 TB | 192 TB | 1 PB | 192 TB |
| Network Ports | 1GbE | 10GbE | 10GbE | 10GbE | 1GbE |
| Operating System | DSM | QTS | QTS | Custom OS | DSM |
| Power Supply | Single | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | N/A | 250W | 350W | 750W | 350W |
| Product Name | Synology DiskStation DS420J | QNAP RS1619XS+ | RS2421+ | SA3600 Enterprise Storage System | Synology DiskStation DS3617XS |
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / 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 / RAID 50 / RAID 60 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD |
| RAM Type | DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | DDR3 |
| Snapshot Support | No | Yes | Yes | Yes | Yes |
| Storage Type | NAS | NAS / DAS / SAN | NAS | NAS | NAS |
| Supported Drive Types | SATA HDD / SATA SSD | SATA HDD / SATA SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | SATA HDD / SAS HDD |
| Surveillance Support | Yes | Yes | Yes | No | Yes |
| USB Ports | USB 3.0 | USB 3.0 | USB 3.2 | USB 3.2 | USB 3.0 |
| Use Case | Home Backup | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center |
| Virtualization Ready | No | Yes | Yes | Yes | Yes |
| Weight | 4.8 lbs | 24.3 lbs | 44 lbs | 45 lbs | 39.7 lbs |
| Width | 4.17 inches | 17.3 inches | 17.3 inches | 17 inches | 17.3 inches |
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Questions & Answers
Q
What are the key specifications of the Synology RackStation RS2421+?
A
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.
Q
Which processor does the RS2421+ use and how does it benefit performance?
A
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.
Q
How much memory can the RS2421+ support?
A
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.
Q
How many drives can I install and what is the maximum raw capacity?
A
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.
Q
Can I expand storage beyond the 12 drive bays?
A
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.
Q
What network connectivity options are available on the RS2421+?
A
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.
Q
Does the RS2421+ support virtualization environments?
A
Yes. The RS2421+ is certified for VMware, Citrix, Microsoft Hyper-V, and OpenStack, offering iSCSI and NFS storage for virtual machine deployment and backups.
Q
What data protection and backup features does the RS2421+ offer?
A
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.
Q
What operating system powers the RS2421+?
A
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.
Q
How do I set up the RS2421+ in my rack?
A
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.
Q
What level of performance can I expect from the RS2421+?
A
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.
Q
How energy‐efficient is the RS2421+?
A
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.
Q
Is the RS2421+ suitable for small and medium businesses?
A
Absolutely. Its scalable storage, robust data protection, virtualization support, and central management make it ideal for SMB file sharing, backups, and private cloud services.
Q
What noise level does the RS2421+ produce?
A
The RS2421+ operates at approximately 27 dBA in typical office environments, ensuring quiet operation for data center or office rack deployments.
Q
Does the RS2421+ integrate with public cloud services?
A
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.
Q
What warranty and support options are available for the RS2421+?
A
Synology offers a two-year limited warranty, extendable with Synology Replacement Service up to five years, plus global technical support and software updates.
