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Blazingly-fast all-flash server aiming for I/O-intensive applications
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.
CPU
Dual Intel Xeon Silver 8-core with NUMA
Memory
DDR4 ECC RDIMM, up to 512GB
High Performance
Over 240,000 iSCSI 4K random write IOPS
Scalability
Up to 72 drives with RX2417sas
Fast and reliable networking
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.
Complete iSCSI and virtualization solutions
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.
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.
Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders
Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots
File or folder level data restoration makes data recovery fast and flexible
Automatic file self-healing detects and recovers corrupted files without user intervention
RAID F1
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.
Powered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes.
Security AdvisorAnalyzes system settings, password strength, network preferences, and removes any possible malware.
AES 256-bit encryption
Encrypt shared folders and network data transmission to keep data from unauthorized access.
AppArmorA kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.
2-step verification
Prevent others from logging in to your DSM by generating a one-time password (OTP) on your mobile device.
Trust Level
Customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered package files.
5-year warranty
As we're committed to improving product innovation and quality, Synology guarantees 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.
Powered by Synology DSM
Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Synology Office
Collaborate on documents, spreadsheets, and slides in real time to boost team productivity.
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.
Security
Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.
Snapshot Replication
Schedulable and instantaneous data protection of shared folders and iSCSI LUNs for disaster prevention.
CPU |
CPU Model | Intel Xeon Silver 4110 x 2 |
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| CPU Architecture | 64-bit | |
| CPU Frequency | 8-Core 2.1 (base) / 3.0 (turbo) GHz | |
| Hardware Encryption Engine (AES-NI) | ||
Memory |
System Memory | 32 GB DDR4 ECC RDIMM |
| Memory Module Pre-installed | 32 GB (16 GB x 2) | |
| Total Memory Slots | 16 | |
| Memory Expandable up to | 512 GB (32 GB x 16) | |
| Notes |
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Storage |
Drive Bays | 24 |
| Maximum Drive Bays with Expansion Unit | 48 (RX1217sas) / 72 (RX2417sas) | |
| Compatible Drive Type*(See all supported drives) |
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| Maximum Internal Raw Capacity | 184.32 TB (7.68 TB drive x 24) (Capacity may vary by RAID types) | |
| Maximum Raw Capacity with Expansion Units | 552.96 TB (184.32 TB + 7.68 TB drive x 48) (Capacity may vary by RAID types) | |
| Maximum Single Volume Size* |
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| Hot Swappable Drive | ||
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External Ports |
RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) |
| RJ-45 10GbE LAN Port | 2 (with Link Aggregation / Failover support) | |
| USB 3.0 Port | 2 | |
| Expansion Port | 1 | |
PCIe |
PCIe Expansion | 2 x Gen3 x8 slots (x8 link) |
| Add-In-Card Support | PCIe Network Interface Card(Learn more) | |
File System |
Internal Drives |
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| Notes | exFAT Access is purchased separately in Package Center. | |
Appearance |
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 -RKS1317) | |
| Notes | The rail kit is sold separately | |
Others |
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 W | |
| Redundant Power Supply | ||
| AC Input Power Voltage | 100 V to 240 V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption* | 288.49 W (Access) 145.8 W (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 |
Operating Temperature | 0C to 35C (32F to 95F) |
| Storage Temperature | -20C to 60C (-5F to 140F) | |
| Relative Humidity | 5% to 95% RH | |
Certification |
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Warranty |
5 Years | |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt.(Learn more) | |
Environment |
RoHS Compliant | |
Packaging Content |
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Optional Accessories |
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| Notes | It is required to use D4RD-2666-16G with identical memory modules of the same capacity and frequency. For more information, visithere. | |
