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DS1621+
6BAY NAS DISKSTATION DS1621+ DISKLESS
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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.
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 DS1621+ |  DS220J |  RS822RP+ |  DS420J |  RS3618XS | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | NAS | NAS | NAS |
| Form Factor | Desktop | Desktop | Rackmount | Desktop | Rackmount |
| Bay Count | 6-bay | 2-bay | 12-bay | 4-bay | 12-bay |
| Supported Drive Types | Mixed | SATA HDD / SATA SSD | Mixed | SATA HDD / SATA SSD | Mixed |
| Hot-Swap Support | Yes | No | Yes | Yes | Yes |
| Max Supported Capacity | 96 TB | 32 TB | 512 TB | 64 TB | 192 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD | RAID 0 / RAID 1 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD |
| CPU Type | AMD Ryzen | Realtek | Intel Xeon | Realtek | Intel Xeon |
| CPU Cores | 4 | 4 | 4 | 4 | 8 |
| Installed RAM | 4 GB | 512 MB | 8 GB | 1 GB | 8 GB |
| Max RAM Capacity | 32 GB | 512 MB | 32 GB | 1 GB | 128 GB |
| RAM Type | ECC DDR4 | DDR4 | DDR4 | DDR4 | ECC DDR4 |
| Network Ports | 1GbE | 1GbE | 10GbE | 1GbE | 1GbE |
| LAN Ports | 4 | 1 | 2 | 1 | 4 |
| USB Ports | USB 3.2 | USB 3.0 | USB 3.2 | USB 3.0 | USB 3.0 |
| Expansion Support | Yes | No | Yes | No | Yes |
| Cooling | Active | Active | Redundant Fan | Active | Redundant Fan |
| Power Supply | Single | Single | Redundant | Single | Redundant |
| Power Supply Wattage | 250W | N/A | 350W | N/A | 750W |
| Operating System | QTS | DSM | QTS | DSM | QTS |
| Snapshot Support | Yes | Yes | Yes | No | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | No | Yes | No | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | Yes | Yes | No | Yes | Yes |
| Use Case | SMB / Enterprise Data Center / Media Server / Virtualization | Home Backup | Enterprise Data Center | Home Backup | Enterprise Data Center |
| Product Name | QNAP TS-DS1621+ | Synology DiskStation DS220j | RS822RP+ | Synology DiskStation DS420J | QNAP Enterprise Storage Solution RS3618xs |
| Height | 6.81 inches | 6.5 inches | 3.5 inches | 9.13 inches | 3.5 inches |
| Width | 9.06 inches | 4.25 inches | 17.5 inches | 4.17 inches | 17.2 inches |
| Depth | 12.01 inches | 9.13 inches | 25 inches | 6.54 inches | 29.5 inches |
| Weight | 14.3 lbs | 2.5 lbs | 40 lbs | 4.8 lbs | 66 lbs |
Powerful 6-bay storage with Ryzen performance. Ideal for high-speed file sharing and professional office virtualization.
Exceptional throughput and great scalability. This DiskStation provides reliable performance for our high-demand business tasks.
Robust hardware with consistent data rates. It handles multiple heavy workloads with absolute professional efficiency.
Superior build quality and easy management. A very dependable choice for businesses needing a high-performance NAS.
Top-tier reliability for office networks. The 6-bay design offers perfect density and rock-solid system stability.
Trustworthy performance for professional backups. It delivers consistent speed and easy management for all our data.
Powerful 6-bay DiskStation with excellent Ryzen performance. It is a fantastic choice for professional offices needing high-speed storage and virtualization capabilities.
Exceptional throughput and easy scalability. This unit provides reliable performance for our high-demand office network and handles multiple tasks with ease.
Robust hardware with consistent data transfer rates. It handles intensive workloads and multiple users without any impact on system responsiveness.
Superior build quality and intuitive management. This 6-bay NAS is a dependable solution for our business storage and data protection needs.
Top-tier reliability for professional teams. The drive density and NVMe cache support provide the performance boost our office requires daily.
The DS1621+ is a diskless 6-bay NAS powered by an AMD Ryzen quad-core CPU, 4 GB DDR4 ECC memory (expandable to 32 GB), AES-NI encryption, dual M.2 NVMe SSD cache slots, and four Gigabit Ethernet ports for high-performance, scalable storage.
The DS1621+ supports six 3.5″/2.5″ SATA HDDs or SSDs in internal bays, plus two M.2 NVMe slots for cache acceleration.
It supports 3.5″ and 2.5″ SATA III HDDs/SSDs up to 16 TB per bay, and M.2 NVMe SSDs (2280) for caching to optimize random I/O performance.
Yes. It ships with 4 GB DDR4 ECC RAM and features two slots to install up to 32 GB (2×16 GB) DDR4 ECC modules for enhanced multitasking.