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DS1621+ |
Description: | 6BAY NAS DISKSTATION DS1621+ DISKLESS |
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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.
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DS1621+ Overview
DS1621+ is a NAS storage system featuring 6 drive bays that support SATA HDD, SATA SSD, and NVMe SSD options, providing a total raw storage capacity of up to 96 TB. It offers robust data protection with RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and JBOD configurations, and is powered by an AMD Ryzen processor with 4 cores. The system comes with 4 GB of ECC DDR4 memory pre-installed, expandable up to 32 GB, and includes interfaces such as USB 3.2 and four 1GbE LAN ports for reliable network connectivity.
Designed for demanding use cases including SMB backup, enterprise data centers, virtualization, and media serving, the DS1621+ supports expansion through additional QNAP units and accessories. It features active cooling to efficiently manage heat and a single, adequately rated power supply. This combination of high-performance processing, flexible drive support, and versatile connectivity makes it an ideal solution for a wide range of storage applications.
What is the price of DS1621+?
Pricing for DS1621+ is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for DS1621+.
Explore more options from Storage or explore other Synology products.
DS1621+ Specifications
Product Type | Storage System |
Storage Type | NAS |
Form Factor | Desktop |
Bay Count | 6-bay |
Supported Drive Types | Mixed |
Hot-Swap Support | Yes |
Max Supported Capacity | 96 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 | ECC 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 / Enterprise Data Center / Media Server / Virtualization |
Product Name | QNAP TS-DS1621+ |
Height | 6.81 inches |
Width | 9.06 inches |
Depth | 12.01 inches |
Weight | 14.3 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Bay Count | 16-bay | 48-bay | 24-bay | 8-bay | 6-bay |
Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
Cooling | Active | Redundant Fan | Active | Redundant Fan | Active |
CPU Cores | 8 | 8 | 8 | 8 | 4 |
CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | AMD Ryzen |
Depth | 28 inches | 28 inches | 28 inches | 28 inches | 12.01 inches |
Expansion Support | Yes | Yes | Yes | Yes | Yes |
Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Desktop |
Height | 3.5 inches | 4 inches | 3.5 inches | 3 inches | 6.81 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 | 4 | 4 | 2 | 4 | 4 |
Max RAM Capacity | 64 GB | 64 GB | 64 GB | 128 GB | 32 GB |
Max Supported Capacity | 512 TB | 1 PB | 512 TB | 256 TB | 96 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 | 500W | 500W | 250W |
Product Name | C7977AL Enterprise Storage System | Q8D48A Storage Array | E7W32A SAN Storage System | FILE-2C48G-8F8-AC | QNAP TS-DS1621+ |
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 50 / RAID 60 | 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 | DDR4 | ECC DDR4 | ECC DDR4 |
Snapshot Support | Yes | Yes | Yes | Yes | Yes |
Storage Type | SAN | NAS | SAN | SAN | NAS |
Supported Drive Types | Mixed | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed |
Surveillance Support | Yes | Yes | No | No | 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 | SMB / Enterprise Data Center / Media Server / Virtualization | SMB / Enterprise Data Center / Media Server / Virtualization |
Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
Weight | 45 lbs | 80 lbs | 65 lbs | 35 lbs | 14.3 lbs |
Width | 17 inches | 17 inches | 17.5 inches | 17 inches | 9.06 inches |
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