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Synology FS3400 FlashStation 24-Bay NAS Enclosure(2.5″ disk tray, Expandable up to 72 bays)


Synology FS3400 FlashStation 24-Bay NAS Enclosure

Fueling IT transformation for small and midsize businesses, the FlashStation FS3400 24-Bay NAS Enclosure from Synology meets the needs for real-time analytics, online transaction processing, and mission-critical database services, as it delivers flexible all-flash server deployment on demand. It has a rackmount form factor and can be installed into racks using a separately-sold  Rail Kit (RKS1317). It provides more than 137,000 4K random write IOPS and is equipped with twenty-four 2.5″ drive bays that support SAS hard drives and SSDs, as well as SATA SSDs. Using its twenty-four drive bays, this NAS will allow you to store and share a large number of files, including videos, music, photos, and documents with up to 16,000 user accounts and 4000 maximum concurrent connections.

The FlashStation FS3400 runs on Synology DiskStation Manager (DSM) OS, which is a browser-based operating system that helps to simplify managing your NAS. Its CPU is a 2.1 GHz Intel Xeon D-1541 Eight-Core with a burst frequency of up to 2.7 GHz, and its 16GB of DDR4 ECC Registered RAM, which is upgraded to 128GB, allows frequently-used files and applications to be quickly accessed.

Also featured are two USB 3.0 Type-A ports and one expansion port which allow it to be connected to compatible devices, such as two RX1217sas or two RX2417sas expansion units for increased storage capacity. Network connectivity is achieved via the two 10 Gigabit Ethernet and four Gigabit Ethernet ports, all of which support Link Aggregation and Failover, allowing your stored data to be shared with users throughout the network. There is also one PCIe 3.0 x8 slot, which can be used for a 25/40GbE NIC expansion card.

For those who require RAID support, the FS3400 supports RAID F1, which is designed to work specifically with SSDs. RAID F1 unevenly distributes the overall workload between the drives, thus helping to enhance the storage pool and keep your data safe. Also supported is RAID 0, 1, 5, 6, and 10, each of which provides speed, data redundancy, or a combination of both. For those who do not require a RAID, JBOD is available.

The FlashStation FS3400 is engineered to be energy efficient. Not only does it offer four 80 x 80mm fans to help keep the system running cool at all times, but its noise-dampening design of 57 dB(A) also makes for quiet operations. The server supports numerous scheduled power on/off cycles and hard drive hibernation to further minimize power consumption and operation expenses.

The FlashStation FS3400 24-Bay NAS Enclosure operates using dual redundant 500W power supplies that run at 100-240 VAC at 50/60 Hz and includes an accessory pack and two power cords. Protection is provided by a limited 5-year warranty.

General Features

Fast Speeds with Lower TCO

Featuring a 2.1 GHz Intel Xeon D-1541 Eight-Core processor and 16GB of DDR4 ECC RDIMM memory, the FS3400 provides more than 137,000 4K random write IOPS, meeting the needs for real-time analytics, online transaction processing, and mission-critical database services. With two built-in 10GbE Ethernet ports, a PCIe 3.0 x8 slot, and the support of various SAS and SATA drives, FS3400 delivers flexible and economical all-flash server deployment on demand.


Due to the peculiarities of SSD and RAID technology, a common challenge lies in how to prevent all of the drives from failing at the same time because of the evenly distributed workload. RAID F1 alleviates this problem with a specially designed algorithm to unevenly distribute workload to drives, enhancing the resilience of the storage pool and helping to ensure your data remains safe.

Backup Solution

Active Backup for Business
Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed. Hyper Backup
Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, a rsync server, or a public cloud to ensure data safety. Synology Drive
Safeguard your computer with Synology Drive Client. Perform real-time data backups and point-in-time file recovery. Active Backup for Office 365 / G Suite
On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

Fully Certified Storage Virtualization Solutions

Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with an easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.

Limited 5-Year Warranty

As Synology is committed to improving product innovation and quality, they guarantee a robust and reliable data management experience with a 5-year limited warranty, providing responsive technical support and hardware replacement services to maximize your return on investment.

Synology Replacement Service (SRS)

SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity.

Powered by Synology DSM

Active Backup Suite
Integrated, modern, and license-free backup & instant recovery solution for VMware, Windows, Office 365, and G Suite. Hyper Backup
Store multiple backup versions with block-level incremental data backup and cross-version deduplication. Synology MailPlus
Secure, reliable, and private mail server solution with an intuitive and modern mail client.Virtual Machine Manager
Run various operating systems in isolated sandboxes. Seamlessly clone, restore, and migrate virtual machines.
Key Features
  • 24 x 2.5″ SAS/SATA Drive Bays
  • 2.1 GHz Intel Xeon D-1541 Eight-Core
  • 16GB of DDR4 ECC Registered RAM
  • 2 x 10GbE | 4 x Gigabit Ethernet
  • 3 x USB 3.0 Type-A | 1 x Expansion
  • RAID 0, 1, 5, 6, 10, F1, JBOD & Single
  • Up to 137,000 4K IOPS Random Writes
  • Connect RX1217sas & RX2417sas Expansion
  • AES-NI Hardware Encryption Engine
  • Synology DiskStation Manager OS



Synology FS3400 FlashStation 24-Bay NAS Enclosure

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