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https://www.qnap.com/en/product/ts-431x3
| CPU | AnnapurnaLabs, an Amazon company Alpine AL314, 4-core 1.7 GHz |
| CPU Architecture | 32-bit ARM |
| Floating Point Unit | |
| Encryption Engine | |
| System Memory | 4 GB SODIMM DDR3 (1 x 4 GB) |
| Maximum Memory | 8 GB (1 x 8 GB) |
| Memory Slot | 1 x SO-DIMM DDR3 |
| Flash Memory | 512 MB (Dual boot OS protection) |
| Drive Bay | 4x 3.5-inch SATA 6Gb/s, 3Gb/s |
| Drive Compatibility | 3.5-inch bays: 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
| Hot-swappable | |
| SSD Cache Acceleration Support | |
| Gigabit Ethernet Port (RJ45) | 1 |
| 2.5 Gigabit Ethernet Port (2.5 G/1G/100M) | 1 |
| 10 Gigabit Ethernet Port | 1 x 10GbE SFP+ |
| Jumbo Frame | |
| USB 3.2 Gen 1 port | 3 |
| Form Factor | Tower |
| LED Indicators | Power, Status, LAN, USB, HDD1-4 |
| Buttons | Power, Reset, USB Auto Copy |
| Розміри (HxWxD) | 169 × 160 × 219 mm |
| Weight (Net) | 2.01 kg |
| Weight (Gross) | 3.47 kg |
| Operating temperature | 0 - 40 °C (32°F - 104°F) |
| Relative Humidity | 5-95% RH non-condensing, wet bulb: 27 C (80.6 F) |
| Power Supply Unit | 90W Adapter, 100-240V |
| Fan | 1 x 120mm, 12VDC |
| Warning System | Buzzer |
| Kensington Security Slot | |
| Max. Number of Concurrent Connections (CIFS) | 400 |
Note: Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications. Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting.
* Sound Level Test Environment: Refer to ISO 7779; Maximum HDD loaded; Bystander Position; Average data from 1 meter in front of operating NAS.
Designs specifications and are subject to change without notice.