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Status: Currently sold
| Series | FS Series |
|---|---|
| Bays | 24 |
| CPU | AMD EPYC 7303 |
| Cores / Threads | 16 / 32 |
| RAM | 64 |
| CPU architecture | x86_64 |
| Support tier | full |
| Warranty (years) | 5 |
| RAM (max) | 1024 |
| Memory slots | 16 |
| Memory generation | DDR4 |
| ECC memory | Supported |
| Memory module type | RDIMM |
| Replaceable memory | Replaceable |
| Network ports | 2x 10GbE |
| USB ports | 2x USB 3.2 Gen 1 |
| PCIe expansion | 2 |
| Drive bay types | 2.5" SATA SSD |
| Hot-swappable bays | yes |
Documents
Compatible Drives
17 drives certified on FS6420's official manufacturer compatibility list, sourced directly from Synology's own published Hardware Compatibility List. Each model links to that drive's own compatibility page.
17certified models
1drive brands
7 TBlargest listed
9with verified extra specs
Certified drives by capacity
0.48 TB4
0.96 TB4
1.92 TB4
3.84 TB4
7 TB1
Show all 17 certified drives
17 shown
| Brand | Model | Capacity | Type | Verified drive details | Status | Firmware |
|---|---|---|---|---|---|---|
| Synology | SAT5210-7000G | 7.0 TB | 2.5" Enterprise SSD | 5-year warranty | Recommended | SCEMH5.0 |
| Synology | SAT5220-3840G | 3.84 TB | 2.5" Enterprise SSD | - | Recommended | SCEMH5.0 |
| Synology | SAT5200-3840G | 3.84 TB | 2.5" Enterprise SSD | - | Recommended | SCEMJ2.1 |
| Synology | SAT5221-3840G | 3.84 TB | 2.5" Enterprise SSD | 5-year warranty | Recommended | SCEM16.3 |
| Synology | SAT5210-3840G | 3.84 TB | 2.5" Enterprise SSD | 5-year warranty | Recommended | SCEMH3.2 |
| Synology | SAT5210-1920G | 1.92 TB | 2.5" Enterprise SSD | 5-year warranty | Recommended | SCEMH3.2 |
| Synology | SAT5220-1920G | 1.92 TB | 2.5" Enterprise SSD | - | Recommended | SCEMH5.0 |
| Synology | SAT5221-1920G | 1.92 TB | 2.5" Enterprise SSD | 5-year warranty | Recommended | SCEM16.3 |
| Synology | SAT5200-1920G | 1.92 TB | 2.5" Enterprise SSD | - | Recommended | SCEMJ2.1 |
| Synology | SAT5200-960G | 0.96 TB | 2.5" Enterprise SSD | - | Recommended | SCEMJ2.1 |
| Synology | SAT5210-960G | 0.96 TB | 2.5" Enterprise SSD | 5-year warranty | Recommended | SCEMH3.2 |
| Synology | SAT5221-960G | 0.96 TB | 2.5" Enterprise SSD | 5-year warranty | Recommended | F3MN902 |
| Synology | SAT5220-960G | 0.96 TB | 2.5" Enterprise SSD | - | Recommended | SCEMH5.0 |
| Synology | SAT5220-480G | 0.48 TB | 2.5" Enterprise SSD | - | Recommended | SCEMH5.0 |
| Synology | SAT5210-480G | 0.48 TB | 2.5" Enterprise SSD | 5-year warranty | Recommended | SCEMH3.2 |
| Synology | SAT5221-480G | 0.48 TB | 2.5" Enterprise SSD | 5-year warranty | Recommended | F3MN902 |
| Synology | SAT5200-480G | 0.48 TB | 2.5" Enterprise SSD | - | Recommended | SCEMJ2.1 |
Extra drive details are published only from manufacturer-owned documents or explicit human review. Follow the model link for field-level sources.
Certified list last checked 2026-08-18.
Looking for cameras compatible with Synology NAS units? See the full Synology camera compatibility database.