| Model Number | WD43PURZ |
| Formatted Capacity | 4TB |
| Form Factor | 3.5-inch |
| Advanced Format (AF) | Yes |
| Recording Technology | CMR |
| Interface | SATA 6Gb/s |
| RoHS Compliant | Yes |
| Cameras Supported | Up to 64 HD |
| Maximum Drive Bays Supported | 16 |
| Firmware Feature Name | AllFrame |
| Tarnish Resistant Components | Yes |
| RV Sensors | Yes |
| Interface Transfer Rate (max) | 6 Gb/s |
| Buffer to Host | 180 MB/s |
| Host to/from Drive (Sustained) | 180 MB/s |
| Cache (MB) | 256 |
| Load/Unload Cycles | 300,000 |
| Annualized Workload Rating | 180TB/yr |
| Non-recoverable Read Errors per Bits Read | |
| MTBF | 1,000,000 hours |
| Limited Warranty (years) | 3 |
