THÔNG SỐ KỸ THUẬT:
| Model Numbers | WD40EFRX |
| Capacity | 4TB |
| Form Factor | 3.5 inch |
| Interface | SATA 6 Gb/s |
| Rotational Speed (RPM) | 5400 rpm |
| Cache (MB) | 64MB |
| Advanced Format (AF) | Yes |
| RoHS Compatible3 | Yes |
| Workloads [TB/Year]6 | 180 TB/yr |
| MTBF [Hours]7 | 1,000,000 |
| Load/Unload Cycles | 600,000 |
| Average Power Requirements (W) | 4.5 |
| Temperature (Operating) (˚C) | 0 - 60 |
| Temperature (Non-operating) (˚C) | - 40 - 70 |
| Supply Voltage | 5 V DC ±5 % 12 V DC ±5 % |
| Weight (kg +(-)10%) | 0.68 |
| Limited Warranty | 3 years |
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