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| PR-3500 | |
| SBC Form Factor | Half-size CPU card |
| I/O Ports | 2 x USB |
| Expansion Slots | 5 slots |
| Cooling method / System Fan | 1 x 8 cm |
| Drive Bays | 2 x 2.5” HDD |
| Buttons | Power switch, Reset button |
| Indicators | Power, HDD |
| Construction | Heavy duty metal |
| Color | Black |
| Dimensions | 233.2 x 195 x 130 (mm) |
| Weight | 3.57/4.75 kg |
| Operating Temperature | 0°C ~ 50°C |
| Humidity | 10% ~ 90% |
| Operating Vibration | Half-sine wave shock 5G, 11ms, 100 shocks per axis (SSD) |
| Operating Shock | MIL-STD-810G 514.6C-1 (SSD) |
| Safety & EMC | CE/FCC compliant |