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FS3400
FlashStation FS3400 - NAS - Rack (2U) - Intel® Xeon® D - D-1...
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FS3400 is a NAS featuring 4 drive bays that support SATA HDD, SAS HDD, SATA SSD, and NVMe SSD drives with a total storage capacity of 256 TB. It supports RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 and is powered by an Intel Xeon processor with 8 cores, pre-installed with 16 GB DDR4 memory that can be expanded to 64 GB, while offering interfaces including USB 3.1 and 10GbE Ethernet.
FS3400 includes expansion support, hot-swap drive capability, a redundant power supply rated at 500W, active cooling, and built-in redundancy to meet the demands of SMB backup, enterprise data centers, virtualization, and media server use cases.
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 FS3400 |  DS420+ |  RS2421+ |  RS422+ |  DS923+ | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | NAS | SAN | NAS |
| Form Factor | Rackmount | Desktop | Rackmount | Rackmount | Desktop |
| Bay Count | 4-bay | 4-bay | 12-bay | 12-bay | 4-bay |
| Supported Drive Types | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 256 TB | 64 TB | 192 TB | 512 TB | 64 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | 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 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| CPU Type | Intel Xeon | Intel Celeron | AMD Ryzen | Intel Xeon | AMD Ryzen |
| CPU Cores | 8 | 4 | 4 | 8 | 4 |
| Installed RAM | 16 GB | 4 GB | 8 GB | 16 GB | 4 GB |
| Max RAM Capacity | 64 GB | 8 GB | 64 GB | 64 GB | 32 GB |
| RAM Type | DDR4 | DDR4 | DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 1GbE | 10GbE | 10GbE | 2.5GbE |
| LAN Ports | 2 | 2 | 2 | 4 | 2 |
| USB Ports | USB 3.1 | USB 3.0 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Active | Redundant Fan | Active | Active |
| Power Supply | Redundant | Single | Redundant | Redundant | Single |
| Power Supply Wattage | 500W | 250W | 350W | 500W | 150W |
| Operating System | Custom OS | QTS | QTS | 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 | No | Yes | Yes | No | Yes |
| Use Case | SMB / Enterprise Data Center / Media Server / Virtualization | SMB | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization / Media Server | SMB |
| Product Name | FS3400 High-Performance NAS Storage System | DS420+ | RS2421+ | RS422+ Enterprise Storage System | QNAP DS923+ |
| Height | 3.5 inches | 3.7 inches | 3.5 inches | 3 inches | 6.61 inches |
| Width | 17.5 inches | 8.7 inches | 17.3 inches | 17 inches | 8.74 inches |
| Depth | 25.0 inches | 10.2 inches | 28 inches | 25 inches | 9.06 inches |
| Weight | 30 lbs | 12 lbs | 44 lbs | 35 lbs | 6.5 lbs |
Elite all-flash RackStation with Xeon power. Delivers incredible IOPS and low latency for our virtualization tasks.
Exceptional 24-bay flash performance. Provides the professional speed and reliability our high-demand database applications require daily.
Robust hardware with top-tier stability. The FS3400 is a trustworthy solution for performance-sensitive enterprise storage.
Superior throughput and mission-critical uptime. It handles our high-traffic business network with impressive professional speed.
Powerful flash server for large-scale data. Consistent reliability and industry-leading performance for our entire corporation.
Outstanding flash storage density. It delivers high-speed data access and absolute system stability for our team.
The FlashStation FS3400 is a 2U rackmount all-flash NAS powered by an 8-core Intel® Xeon® D-1541 processor, supports up to 24 2.5" U.2 NVMe SSDs, 64GB DDR4 ECC memory (expandable to 512GB), dual 10GbE SFP+ ports, dual 1GbE RJ-45 ports, and redundant 800W Titanium-level power supplies.
The FS3400 supports up to 24 U.2 NVMe SSDs, delivering raw capacities up to 153.6TB per system, and can be expanded via compatible expansion units to scale beyond 1PB.
With an Intel® Xeon® D-1541 CPU, NVMe flash drives, and dual 10GbE SFP+ ports, the FS3400 delivers up to 1.5 million IOPS and 14GB/s throughput for demanding workloads.
The FS3400 supports RAID 0, 1, 5, 6, 10, 50, and 60, plus Synology’s proprietary Adaptive RAID for flexible disk management and data protection.