| Toote kood | WD40EFRX |
| Tootja | WESTERN DIGITAL |
| Type | Hard drive - internal |
| Capacity | 4 TB |
| Form Factor | 3.5" x 1/3H |
| Interface | SATA 6Gb/s |
| Data Transfer Rate | 600 MBps |
| Buffer Size | 64 MB |
| Features | Native Command Queuing (NCQ), IntelliPower, Advanced Format technology, NAS compatible, NASware technology, 3D Active Balance Plus , S.M.A.R.T. |
| Dimensions (WxDxH) | 101.6 mm x 147 mm x 26.1 mm |
| Weight | 680 g |
| Manufacturer Warranty | 3 years warranty |
| Designed For | My Cloud EX2; EX4 |
| Ladu | Laos | Kättetoimetamise aeg |
| API | 83tk | 5-7 PÄEVA |
| WOR | 100tk | 5-7 PÄEVA |