WD Red

4 TB, 3.5", SMR
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Product details

The WD WD40EFAX from the WD Red series is specifically designed for NAS systems. It has been extensively tested for 24/7 continuous operation. Thanks to the special NASware firmware and 3D Active Balance Plus technology, the WD40EFAX enables seamless integration, high data security, and optimal performance for NAS and RAID environments. The WD40EFAX is designed for particularly low noise levels and low energy consumption, and it features the SATA 600 standard.

Key specifications

Interface
SATA III
Storage Technology
SMR
Memory Scope of application
NAS
Max. Speed
5400 RPM
Item number
12535207

General information

Manufacturer
Category
Manufacturer no.
WD40EFAX
Release date
15.1.2020
External links

Data storage properties

Memory Scope of application
NAS
Data storage interface
SATA III
Form factor
3.5"
Storage capacity
4 TB
Cache
256 MB
Sustained Speed HDD
180 MB/s
Max. Speed
5400 RPM
Storage Technology
SMR
Hard disk filling
Helium
Hard disk additional functions
Hot swapping

Operating conditions

Maximum operating temperature
70 °C

Noise emission

Max. noise level
28 dB

Power supply

Power consumption (standby)
0.60 W
Power consumption
4.50 W

Sustainability

Manufacturer commitment
SBTi

Scope of delivery

Scope of delivery
HDD

Product dimensions

Length
14.70 cm
Width
10.16 cm
Height
2.61 cm
Weight
635 g

Package dimensions

Length
20.90 cm
Width
13.50 cm
Height
6.20 cm
Weight
622 g

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