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DS1821+ |
Description: | 8BAY DISKSTATION DS1821+ DISKLESS |
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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.

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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

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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.
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DS1821+ Overview
DS1821+ is a NAS storage system engineered with 8 drive bays that support both SATA HDD and SATA SSD drive types, enabling maximum storage capacities of up to 192 TB when populated with high‐capacity drives. Built for performance and reliability, it supports multiple RAID levels including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and JBOD, making it ideal for mission‐critical use cases such as SMB backup, enterprise data centers, virtualization, and media serving.
DS1821+ is powered by an AMD Ryzen quad‐core processor complemented by 4 GB of pre‐installed DDR4 ECC memory, which is expandable up to 32 GB, ensuring smooth multitasking and data processing. Its connectivity options include four 1GbE LAN ports and USB 3.2 ports, while expansion support, active cooling, a single 250W power supply, and hot‐swap drive bays further contribute to its robust design and high availability, perfectly suiting modern IT and storage environments.
What is the price of DS1821+?
Pricing for DS1821+ is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for DS1821+.
Explore more options from Storage or explore other Synology products.
DS1821+ Specifications
Product Type | Storage System |
Storage Type | NAS |
Form Factor | Desktop |
Bay Count | 8-bay |
Supported Drive Types | SATA HDD / SATA SSD |
Hot-Swap Support | Yes |
Max Supported Capacity | 192 TB |
RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD |
CPU Type | AMD Ryzen |
CPU Cores | 4 |
Installed RAM | 4 GB |
Max RAM Capacity | 32 GB |
RAM Type | DDR4 |
Network Ports | 1GbE |
LAN Ports | 4 |
USB Ports | USB 3.2 |
Expansion Support | Yes |
Cooling | Active |
Power Supply | Single |
Power Supply Wattage | 250W |
Operating System | QTS |
Snapshot Support | Yes |
Cloud Sync Support | Yes |
Virtualization Ready | Yes |
ISCSI Support | Yes |
Surveillance Support | Yes |
Use Case | SMB |
Product Name | DS1821+ |
Height | 9.8 inches |
Width | 17.5 inches |
Depth | 10.2 inches |
Weight | 21.6 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Bay Count | 12-bay | 8-bay | 24-bay | 24-bay | 8-bay |
Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
Cooling | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan | Active |
CPU Cores | 8 | 8 | 8 | 8 | 4 |
CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | AMD Ryzen |
Depth | 28.7 inches | 20 inches | 28 inches | 26 inches | 10.2 inches |
Expansion Support | Yes | Yes | Yes | Yes | Yes |
Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Desktop |
Height | 3.5 inches | 3.5 inches | 4 inches | 3.5 inches | 9.8 inches |
Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
Installed RAM | 16 GB | 16 GB | 16 GB | 16 GB | 4 GB |
iSCSI Support | Yes | Yes | Yes | Yes | Yes |
LAN Ports | 2 | 4 | 4 | 4 | 4 |
Max RAM Capacity | 128 GB | 64 GB | 128 GB | 128 GB | 32 GB |
Max Supported Capacity | 256 TB | 128 TB | 512 TB | 512 TB | 192 TB |
Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 1GbE |
Operating System | Custom OS | Custom OS | Custom OS | Custom OS | QTS |
Power Supply | Redundant | Redundant | Redundant | Redundant | Single |
Power Supply Wattage | 750W | 350W | 750W | 750W | 250W |
Product Name | BB926A Enterprise Storage System | Q8E97A Enterprise Storage System | Q8D61A Enterprise SAN Storage System | Q8D64A Enterprise Storage Array | DS1821+ |
Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD |
RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | DDR4 |
Snapshot Support | Yes | Yes | Yes | Yes | Yes |
Storage Type | SAN | NAS | SAN | SAN | NAS |
Supported Drive Types | Mixed | Mixed | Mixed | Mixed | SATA HDD / SATA SSD |
Surveillance Support | No | No | No | Yes | Yes |
USB Ports | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 |
Use Case | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center | SMB |
Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
Weight | 32 lbs | 25 lbs | 35 lbs | 45 lbs | 21.6 lbs |
Width | 17.3 inches | 17.5 inches | 17 inches | 17.5 inches | 17.5 inches |
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