Memory Size
The WD WD40EFAX from the WD Red series is specially designed for NAS systems. It has been extensively tested for 24/7 continuous operation.
Thanks to the special firmware NASware and 3D Active Balance Plus technology, the WD40EFAX enables seamless integration, high data security and optimum performance for NAS and RAID environments. The WD40EFAX is designed for particularly low noise emission and low power consumption and features the SATA 600 standard.
| Interface | SATA III |
| Storage Technology | SMR |
| Memory Scope of application | NAS |
| Max. Speed | 5400 RPM |
| Item number | 12535207 |
| Manufacturer | |
| Category | |
| Manufacturer no. | WD40EFAX |
| Release date | 1/15/2020 |
| Sales rank in Category Hard drives | |
| External links |
| Memory Scope of application | NAS |
| Data storage interface | SATA III |
| Form factor | 3.5" |
| Storage capacity | 4 TB |
| Buffer size | 256 MB |
| Sustained Speed HDD | 180 MB/s |
| Max. Speed | 5400 RPM |
| Storage Technology | SMR |
| Hard disk additional functions | Native command queuing |
| Maximum operating temperature | 70 °C |
| Max. noise level | 28 dB |
| Power consumption (standby) | 0.60 W |
| Power consumption | 4.50 W |
| Sustainability | Sustainable products and raw materials |
| Label | SBTi |
| Scope of delivery | HDD |
| Length | 14.70 cm |
| Width | 10.16 cm |
| Height | 2.61 cm |
| Weight | 635 g |
| Length | 20.80 cm |
| Width | 13.50 cm |
| Height | 6.10 cm |
| Weight | 622 g |
Specifications may include unverified machine translations.
Here you can see the lowest price of the day over time. Learn more
14-day cancellation right
30-day right of returnReturn policy
30-day right of returnReturn policy