| Model Number | 4TB HDWT840UZSVA |
| Form Factor | 3.5-inch |
| Interface | 6.0 Gbit/s |
| Number of Cameras Supported | 64 |
| Drive Bays Supported | up to 8 |
| Rotational Vibration (RV) Sensors | No |
| Shock Sensor | Yes |
| Advanced Format (AF) | Yes |
| RoHS Compatible | Yes |
| Halogen Free | Yes |
| Recording Technology | SMR |
| Rotational Speed (rpm) | 5400 |
| Max. Data Transfer Speed (sustained MB/s Typ.) | 184 |
| Buffer Size (MB) | 256 |
| Average Latency (ms) | 5.56 |
| Workloads (TB/year) | 180 |
| MTTF (hours) | 1,000,000 |
| Unrecoverable Error Rate | 1 per 10^14 |
| 24 x 7 Operation | Yes |
| Load/Unload Cycle | 600,000 |
| Limited Warranty (years) | 3 |
