Synology FS6400 |

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Synology BLACK FRIDAY / CYBER MONDAY DEALS
Synology Black Friday Deals (2025)
Synology Black Friday Deals (2025)
Black Friday 2025 Deals - Data Storage from Synology, UGREEN, QNAP, WD, Seagate, UniFi, Terramaster
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USA NOW $139.99 (22% PRICE DROP) bf2025 [LINK] Synology DiskStation DS124 1 Bay Desktop NAS Amazon
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UK 31.98 OFF (WAS 180) [LINK] Synology - DDR4 - module - 16 GB - DIMM 288-pin - 2666 MHz / PC4-21300 - 1.2 V - Amazon
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UK 5.02 OFF (WAS 380) [LINK] Synology DS223J 8TB 2 Bay NAS Solution installed with 2 x 4TB Western Digital Re Amazon
UK 5.06 OFF (WAS 501) [LINK] Synology DS223J 8TB 2 Bay NAS Solution installed with 2 x 4TB Seagate Ironwolf D Amazon
UK 7.54 OFF (WAS 478) [LINK] Synology Disk Station DS620slim - NAS server - 6 bays - SATA 6Gb/s - RAID 0, 1, Amazon
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UK 4.64 OFF (WAS 680) [LINK] Synology RackStation RS822+ Reliable data management for remote and branch offic Amazon
UK 78.89 OFF (WAS 949) [LINK] Synology 4-Bay RackStation RS822RP+ (Diskless) Amazon
UK 12.44 OFF (WAS 1290) [LINK] Synology RX1217 - Storage enclosure - 12 bays (SATA-600) - rack-mountable - 2U Amazon
UK 10.65 OFF (WAS 1416) [LINK] Synology DS1823xs+ 8 Bay NAS Desktop: High-Performance Storage Solution Amazon
UK 57.88 OFF (WAS 1929) [LINK] Synology RX1223RP Expansion, 12-Bay HDD/SSD Only Amazon
UK 5.9 OFF (WAS 2639) [LINK] Synology SA3610 NAS 12Bay Rack Station 4xGbE 2x10G Amazon
UK 22.51 OFF (WAS 9820) [LINK] Synology High Density HD6500 60 Bay 4U Rack Mount Server Amazon
UK 263.47 OFF (WAS 24137) [LINK] Synology 12 Bay FlashStation FS2500 (Diskless) Amazon
USA 4.64 OFF (WAS 3395) [LINK] Synology 12bay Dual Controller SAS NAS SA3200D (Diskless) Amazon
USA 5.2 OFF (WAS 8447) [LINK] Synology SA6400 12-Bay Rackmount NAS with Redundant Power (Diskless) Amazon
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PERFORMANCE:
| Specs | Measure | FS6400 |
|---|---|---|
| 10GbE iSCSI Random IOPS 4KB | Read IOPS/Write IOPS | 476412 / 226141 |
| 10GbE iSCSI Random IOPS with HCIbench 4KB | Read IOPS/Write IOPS | 436456 / 211763 |
| Aggregated 10GbE SMB Random IOPS 4KB | Read IOPS/Write IOPS | 444459 / 224612 |
| Aggregated 10GbE SMB Sequential Throughput 64KB | Read MBs/Write MBs | 7005 / 4726 |
| Aggregated 10GbE SMB Sequential Throughput via Encrypted Shared Folder 64KB | Read MBs/Write MBs | 5668 / 2965 |
| Specs | FS6400 |
Specification:
| Specs | Value |
|---|---|
| CPU-Model | Intel Xeon Silver 4110 x 2 |
| CPU Architecture | 64-bit |
| CPU Frequency | 8-core 2.1 (base) / 3.0 (turbo) GHz |
| Hardware Encryption Engine (AES-NI) | |
| 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 | The specifications vary depending on system configuration and memory size. |
| Drive Bays | 24 |
| Maximum Drive Bays with Expansion Unit | 48 (RX1217sas x 2) / 72 (FX2421* x 2) |
| Maximum Single Volume Size* |
|
| Hot Swappable Drive | |
| 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 Expansion | 2 x Gen3 x8 slots (x8 link) |
| Internal Drives |
|
| External Drives |
|
| Form-Factor | 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) |
| System Fan | 80 mm x 80 mm x 4 pcs |
| Fan Speed Mode |
|
| 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) |
| British Thermal Unit |
984.37 BTU/hr (Access) 497.49 BTU/hr (HDD Hibernation) |
| 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 |
|
| Warranty | 5 Years |
| Environment | RoHS Compliant |
| Packaging Content |
|
| Optional Accessories |
|
| Maximum Internal Volume Number | 256 |
| Maximum iSCSI Target Number | 256 |
| Maximum iSCSI LUN | 512 |
| iSCSI LUN Clone/Snapshot, Windows ODX | |
| SSD Read / Write Cache (White Paper) | |
| SSD TRIM | |
| RAID Group | |
| Supported RAID Type |
|
| RAID Migration |
|
| Volume Expansion with Larger HDDs |
|
| Volume Expansion by Adding a HDD |
|
| Global Hot Spare Supported RAID Type |
|
| File Protocol | CIFS/AFP/NFS/FTP/WebDAV |
| Maximum Concurrent CIFS/AFP/FTP Connections | 8,000 |
| Windows Access Control List (ACL) Integration | |
| NFS Kerberos Authentication | |
| Maximum Local User Accounts | 16,000 |
| Maximum Local Groups | 512 |
| Maximum Shared Folder | 512 |
| Maximum Shared Folder Sync Tasks | 32 |
| Synology High Availability | |
| Log Center | |
| Syslog Events per Second | 3,000 |
| VMware vSphere 6 with VAAI | |
| Windows Server 2016 | |
| Windows Server 2019 | |
| Citrix Ready | |
| OpenStack | |
| Networking Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
| Supported Browsers |
|
| Supported Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 |
| Antivirus by McAfee (Trial) | |
| Central Management System | |
| Synology Chat | |
| Maximum Users | 3,400 |
| Document Viewer | |
| exFAT Access (Optional) | |
| Synology MailPlus / MailPlus Server | |
| Free Email Accounts | 5 (Licenses required for additional accounts) |
| Maximum Number of Concurrent Users | 2,200 |
| Maximum Server Performance | 5,721,000 emails per day, approx. 174GB |
| Snapshot Replication | |
| Maximum Snapshots per Shared Folder | 1,024 |
| Maximum of System Snapshots | 65,536 |
| Surveillance Station | |
| Maximum IP cam (Licenses required) | 128 (including 2 Free License) (See All Supported IP Cameras) |
| Total FPS (H.264) |
3840 FPS @ 720p (1280x720) 3456 FPS @ 1080p (1920x1080) 1664 FPS @ 3M (2048x1536) 970 FPS @ 5M (2591x1944) 690 FPS @ 4K (3840x2160) |
| Total FPS (H.265) |
3840 FPS @ 720p (1280x720) 3840 FPS @ 1080p (1920x1080) 3072 FPS @ 3M (2048x1536) 1792 FPS @ 5M (2591x1944) 1140 FPS @ 4K (3840x2160) |
| Total FPS (MJPEG) |
1260 FPS @ 720p (1280x720) 770 FPS @ 1080p (1920x1080) 560 FPS @ 3M (2048x1536) 400 FPS @ 5M (2591x1944) |
| Synology Drive | |
| Recommended Number of Hosted Files | 5,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) |
| Recommended Number of Concurrent Sync Clients | 2,000 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
| Synology Office | |
| Virtual Machine Manager | |
| Recommended Virtual Machine Instances | 32 (Learn more) |
| VPN Server | |
| Maximum Connections | 40 |
| Specs | Value |
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