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DS1621XS+
Synology DiskStation DS1621xs+ - NAS - Desktop - Intel® Xeon...
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DS1621XS+ is a high-performance NAS featuring 6 drive bays that support SATA HDD and SATA SSD, delivering a total storage capacity of up to 96 TB. It supports RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 configurations and is powered by an Intel Xeon processor with 4 cores, paired with 8 GB of pre-installed ECC DDR4 memory that is expandable up to 32 GB.
DS1621XS+ offers dual 10GbE network ports and USB 3.2 connectivity with hot-swap drive support and expansion capabilities for additional storage. It is equipped with active, redundant fan cooling and a redundant power supply rated at 350W, making it ideal for SMB backup, enterprise data centers, virtualization, and media server use cases.
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 DS1621XS+ |  RS2818RP+ |  RX1216SAS |  FS6400 |  RS820+ | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | SAN | SAN | NAS |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 6-bay | 16-bay | 12-bay | 12-bay | 8-bay |
| Supported Drive Types | Mixed | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 96 TB | 256 TB | 1 PB | 1 PB | 256 TB |
| 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 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| CPU Cores | 4 | 8 | 8 | 8 | 4 |
| Installed RAM | 8 GB | 8 GB | 16 GB | 16 GB | 8 GB |
| Max RAM Capacity | 32 GB | 32 GB | 64 GB | 64 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 1GbE |
| LAN Ports | 2 | 4 | 2 | 2 | 2 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.0 | USB 3.2 | USB 3.0 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 350W | 500W | 500W | 350W |
| Operating System | QTS | Custom OS | Custom OS | Custom OS | QTS |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | Yes | No | No | Yes | Yes |
| Use Case | Enterprise Data Center / Virtualization / SMB | Enterprise Data Center | Enterprise Data Center | SMB Backup / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center |
| Product Name | QNAP DS1621XS+ | RS2818RP+ Rackmount Storage System | RX1216SAS | FS6400 Unified Storage System | RS820+ |
| Height | 10.9 inches | 3.5 inches | 4 inches | 3 inches | 3.5 inches |
| Width | 17.2 inches | 17.2 inches | 17 inches | 17 inches | 17.5 inches |
| Depth | 10.4 inches | 28.7 inches | 28 inches | 28 inches | 28.0 inches |
| Weight | 25.7 lbs | 40 lbs | 35 lbs | 45 lbs | 35 lbs |
Powerful 6-bay DiskStation with Xeon processor. It handles our intensive virtualization and database workloads with absolute professional ease.
Exceptional throughput and built-in 10GbE. This unit provides the professional-grade performance and speed our high-demand network requires.
Superior build quality and rock-solid stability. A top-tier NAS solution for businesses needing high-performance storage and reliable networking.
Robust hardware that delivers impressive results. It consistently handles multiple simultaneous tasks without any impact on system speed.
Outstanding 6-bay capacity for professional archives. The DS1621XS+ is a trustworthy workhorse for mission-critical enterprise storage tasks.
Professional grade desktop NAS with high-end features. It offers predictable performance and excellent longevity for our office.
Impressive speed and massive storage power. The ultimate choice for businesses requiring a high-performance and reliable 6-bay NAS.
The Synology DiskStation DS1621xs+ is a high-performance 6-bay desktop NAS powered by an Intel® Xeon® D-1527 processor, designed for business-grade storage, virtualization, and data protection.
The DS1621xs+ features an Intel® Xeon® D-1527 quad-core 2.2 GHz processor with Turbo Boost up to 2.7 GHz for reliable multi-tasking and virtualization workloads.
The DS1621xs+ ships with 8 GB DDR4 ECC RAM, expandable up to 32 GB via two SO-DIMM slots to optimize performance for demanding applications.
The DS1621xs+ offers six 3.5"/2.5" SATA drive bays supporting up to 108 TB raw capacity (18 TB drives), with expansion up to 256 TB using two DX517 expansion units.