The WD Red Plus WD40EFPX is a 3.5-inch internal hard drive with a capacity of 4 TB. Designed for use in network attached storage (NAS), it is part of the WD Red series, optimized for reliable performance in NAS environments. The hard drive has a SATA 6Gb/s interface, which makes it compatible with SATA III standards. With a rotation speed of 5400 rpm. and a 256 MB buffer provides reliable storage and fast access to data. The WD Red Plus series focuses on providing a reliable and durable solution for home or small business storage.
| Generally | |
|---|---|
| Width | 101.6 mm |
| Buffer size | 256MB |
| Depth | 147 mm |
| Characteristics | NASware technology, 24x7 continuous operation, Conventional magnetic recording (CMR) |
| Device type | Hard disk - internal |
| Interface | SATA 6Gb/s |
| Height | 26.1 mm |
| Model | 3.5" |
| Weight | 570 g |
| Performance | |
| Internal data rate | 180 MBps |
| Transfer rate, drive | 600 MBps (external) |
| Spindle speed | 5400 rpm |
| Operational safety | |
| 24x7 operation | Yes |
| Non-correctable errors | 1 per 10^14 |
| Load/Unload cycles | 600,000 |
| MTBF (expected time between failures) | 1,000,000 hours |
| Expansion and connection | |
| Interface | 1 x SATA 6 Gb/s |
| Compatible booth | 3.5" |
| Effect | |
| Power consumption | 4.7 Watts (read) | 4.7 Watts (write) | 3.1 Watt (free) | 0.3 Watt (sleep) |
| Manufacturer's warranty | |
| Service & Support | Limited warranty - 3 years |
| Environmental parameters | |
| Sound propagation | 23 dBA |
| Max. operating temperature | 65 °C |
| Max. Storage temperature | 70 °C |
| My. operating temperature | 0 °C |
| My. storage temperature | -40 °C |
