| Specification | Details |
| Brand/Model | Western Digital (WD) Blue 4TB |
| Form Factor | 3.5-inch Desktop HDD |
| Interface | SATA 6 Gb/s |
| Capacity | 4TB (4000 GB) |
| Cache | 256 MB |
| Rotational Speed | 5400–5640 RPM Class |
| Best For | Desktop PC storage, daily backup, photo/video archives |
| Reliability | Proven WD reliability and data integrity |
