| Model | Qnap TS-473-8G |
| CPU | AMD R-Series RX-421ND quad-core 2.1 GHz processor (Turbo Core to 3.4 GHz) |
| System Memory | 8 GB SO-DIMM DDR4 (2 x 4 |
| Maximum Memory | 64 GB (4 x 16 GB) |
| Memory Slot | 4 x SO-DIMM DDR4 |
| Flash Memory | 512 MB (Dual boot OS protection) |
| Drive Bay | 4 x 3.5-inch SATA 6Gb/s, 3Gb/s |
| Drive Compatibility | 3.5-inch SATA hard disk drives |
| 2.5-inch SATA hard disk drives | |
| 2.5-inch SATA solid state drives | |
| Hot-swappable | Yes |
| M.2 SSD Slot | 2 x M.2 2280/2260 SATA 6Gb/s slots |
| SSD Cache Acceleration Support | Yes |
| Gigabit Ethernet Port (RJ45) | 4 |
| 10 Gigabit Ethernet Port | Optional via a PCIe adapter |
| Jumbo Frame | Yes |
| PCIe Slot | 2 |
| Slot 1: PCIe Gen 3 x4 | |
| Slot 2: PCIe Gen 3 x4 | |
| USB 3.2 Gen 1 port | 4 |
| USB 3.2 Gen 2 (10Gbps) Port | Optional via a PCIe adapter |
| IR Sensor | Yes (QNAP RM-IR004) |
| HDMI Output | Optional via a PCIe adapter |
| Audio Input | 2 x 3.5 mm dynamic microphone jacks |
| Audio Output | 1 x built-in speaker, 1 x 3.5mm line out jack (for amplifiers or speakers) |
| LED Indicators | Status/Power, USB, LAN, Drive 1-4, M.2 SSD 1-2 |
| Buttons | Power, Reset, USB Auto Copy |
| Dimensions (HxWxD) | 188.2 × 199.3 × 279.6 mm |
| Weight (Net) | 4.9 kg |
| Weight (Gross) | 6.05 kg |
| Warranty | 3 Years Carry-in |
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