Uncompromising performance
Synology FlashStation FS6400 is a 2U rackmount server designed for I/O-intensive and latency-sensitive tasks, ideal for multimedia post-production, virtual machines, online transaction processing, or database applications.
Blazingly-fast all-flash server aiming for I/O-intensive applications
Synology FlashStation FS6400 is a 2U rackmount server designed for I/O-intensive and latency-sensitive tasks, ideal for multimedia post-production, virtual machines, online transaction processing, or database applications.
Dual Intel® Xeon® Silver 8-core with NUMA
DDR4 ECC RDIMM, up to 512GB
Over 240,000 iSCSI 4K random write IOPS
Up to 72 drives with FX24211
With multi-LAN design, FS6400 is capable of performing Link Aggregation and failover. For environments requiring a higher speed, two optional Ethernet add-in cards can be installed on PCIe 3.0 slots to provide fast data transmission.
Synology iSCSI storage supports most virtualization solutions such as VMware vSphere, Microsoft Hyper-V, Citrix Xen Server, and OpenStack Cinder to enhance work efficiency. You can run and manage multiple virtual machines on Windows, Linux, or DSM using Virtual Machine Manager. Learn more
The Btrfs file system introduces advanced storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overheads. It offers flexible, efficient data protection and recovery tools while ensuring high-level data integrity. Learn more
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 ensuring your data remains safe.
See the white paper for more technical details regarding RAID F1
Remove duplicate data on all-flash arrays with volume-wide deduplication to greatly increase storage efficiency. Eliminate redundant data to save up to 65% in storage space use in applications like virtual desktop infrastructure, and virtual machine.2
Powered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes. Learn more
Analyze system settings, password strength and network preferences, and remove any possible malware.
A kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.
Encrypt shared folders and network data transmission to avoid unauthorized data access.
Prevent others from logging in to your DSM by generating a six-digit one-time password (OTP) on your mobile device.
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Collaborate on documents, spreadsheets, and slides in real time to boost team productivity.
Secure, reliable, and private mail server solution with an intuitive and modern mail client.
Run various operating systems in isolated sandboxes. Seamlessly clone, store, and migrate virtual machines.
Secure data with comprehensive built-in security tools to protect your devices against evolving threats.
Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.
Engineered to handle high-intensity workloads, Synology hard drives consistently deliver top-grade performance.3
Flash volume deduplication is available on flash-only volumes comprised of compatible Synology SSD. Synology measured a data reduction ratio of over 3.15:1 based on 10 VMs configured for remote desktop with two operating systems and enterprise applications installed.
Storage drives are sold separately. Refer to the compatibility list for compatible devices.
Hardware Specifications |
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CPU |
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CPU
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CPU Model | Intel Xeon Silver 4110 |
CPU Quantity | 2 | |
CPU Core | 8 | |
CPU Architecture | 64-bit | |
CPU Frequency | 2.1 (base) / 3.0 (turbo) GHz | |
Hardware Encryption Engine | ||
Memory |
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Memory
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System Memory | 32 GB DDR4 ECC RDIMM |
Memory Module Pre-installed | 32 GB (16 GB x 2) | |
Total Memory Slots | 16 | |
Maximum Memory Capacity | 512 GB (32 GB x 16) | |
Notes |
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Storage |
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Storage
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Drive Bays | 24 |
Maximum Drive Bays with Expansion Unit | 72 (FX2421 x 2) | |
Compatible Drive Type* (See all supported drives) |
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Hot Swappable Drive* | ||
Notes | "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. | |
External Ports |
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External Ports
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RJ-45 1GbE LAN Port | 2 |
RJ-45 10GbE LAN Port | 2 | |
USB 3.2 Gen 1 Port* | 2 | |
Expansion Port | 1 | |
Expansion Port Type | Mini-SAS HD | |
Notes | The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. | |
PCIe |
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PCIe
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PCIe Expansion | 2 x Gen3 x8 slots (x8 link) |
Appearance |
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Appearance
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Form Factor (RU) | 2U |
Size (Height x Width x Depth) | 88 mm x 482 mm x 724 mm | |
Weight | 17.26 kg | |
Rack Installation Support* | 4-post 19" rack (Synology Rail Kit - RKS-02) | |
Notes | The rail kit is sold separately | |
Others |
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Others
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System Fan | 80 mm x 80 mm x 4 pcs |
Fan Speed Mode |
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Easy Replacement System Fan | ||
Power Recovery | ||
Noise Level* | 53.7 dB(A) | |
Scheduled Power On / Off | ||
Wake on LAN / WAN | ||
Power Supply Unit / Adapter | 800 watts | |
Redundant Power Supply | ||
AC Input Power Voltage | 100V to 240V AC | |
Power Frequency | 50/60 Hz, Single Phase | |
Power Consumption |
288.49 watts (Access) 145.8 watts (HDD Hibernation) |
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British Thermal Unit |
984.37 BTU/hr (Access) 497.49 BTU/hr (HDD Hibernation) |
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Notes |
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Temperature |
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Temperature
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Operating Temperature | 0°C to 35°C (32°F to 95°F) |
Storage Temperature | -20°C to 60°C (-5°F to 140°F) | |
Relative Humidity | 5% to 95% RH | |
Certification |
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Certification
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Warranty |
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Warranty
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5 Years | |
Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
Environment |
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Environment
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RoHS Compliant | |
Packaging Content |
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Packaging Content
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Optional Accessories |
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Optional Accessories
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Notes |
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