Applied Models | Supports creating volumes across different units | FS series:FS6400, FS3600, FS3400 |
| Notes | Expansion Unit FX2421 can only be used with identical expansion units. To have better performance, we recommend creating storage volumes physically located within the same NAS or Expansion Unit, rather than creating volumes across your NAS and Expansion Unit. DSM version requirement: 6.2.3-25426-2 or later version. |
Storage | Drive Bays | 24 |
| Drive Type (See all supported drives) | 2.5" SAS HDD 2.5" SAS SSD 2.5" SATA SSD |
| Hot Swappable Drive* |
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| RAID Management through Synology DSM |
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| Notes | Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability. "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 | SAS IN-port | 1 |
| SAS OUT-port | 1 |
Appearance | Size (Height x Width x Depth) | 88 mm x 430.5 mm x 692 mm |
| Size (Height x Width x Depth) (with server ears) | 88 mm x 482 mm x 724 mm |
| Weight | 14.5 kg |
| Rack Installation Support* | 4-post 19" rack (Synology Rail Kit - RKS-02) |
| Notes | The rail kit is sold separately |
Power | Power Supply Unit / Adapter | 500 W |
| AC Input Power Voltage | 100V to 240V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption | 190.99 W (Access) |
| British Thermal Unit | 651.68 BTU/hr (Access) |
| Redundant Power Supply |
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| Notes | Power consumption is measured when it is fully loaded with HGST 1.8TB HUC101818CS4204 hard drive(s). |
Temperature | Operating Temperature | 0°C to 35°C (32°F to 95°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
| Operating Humidity | 8% to 80% RH |
| Storage Humidity | 5% to 95% RH |
Others | System Fan | 80 mm x 80 mm x 4 pcs |
| Easy Replacement System Fan |
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| Noise Level* | 57 dB(A) |
| Notes | Noise Level Testing Environment: Fully loaded with Toshiba 600GB AL14SEB060N hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% |
Certification | UL FCC CE EAC VCCI RCM KC |
Warranty | 5 Years |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) |
Environment & Packaging |
Environment | RoHS Compliant |
Packaging Content | Main Unit X 1 Accessory Pack X 1 AC Power Cord X 2 Expansion Cable: MiniSAS-HD X 1 Quick Installation Guide X 1 |
Optional Accessories | Enterprise Series 2.5" SATA SSD: SAT5200 Series Rail Kit Sliding: RKS-02 |
