Dark mode
USA

WD Red Plus WD40EFZX 4 TB
128/5400

Photos - Hard Drive WD Red Plus WD40EFZX 4 TB 128/5400
Videos 4
Outdated Product
$233.32 
Reliable 3.5" internal hard drive from the 2020 WD Red Plus HDD family. This line includes models from 1 GB to 14 TB that are optimized for long-term storage of information in NAS arrays. Positioned as mid-range product designed for use in home and office multi-drive storage connected to a local area network using high-speed network cable or wireless connections.Suitable for operation in small and medium business NAS arrays.Also can be used as an additional HDD drive The WD Red Plus WD40EFZX hard drive is not recommended for use as a system hard drive, but it can handle a hefty amount of work project files, high-quality video/photo/audio content, and backups. Workload Rate) up to 180 TB/year This model uses those The technology of classic CMR magnetic recording, which allows to achieve an...increased data transfer rate, and the magnetic plates themselves rotate at a speed of 5400 rpm. This provides moderate heat dissipation (3.1 W), which is important for building multi-drive home NAS systems with quiet cooling. 3D Active Balance Plus technology guarantees high reliability and stable performance when working 24/7.
add to listmy lists
WD WD40EFZX
Placement
built-in
Type
HDD
Features
server
Size
4000 GB
Form factor
3.5 "
Connection
SATA3
Manufacturer's warranty
3 years
Cache memory
128 MB
Record technology
CMR
RPM
5400 rpm
Data transfer rate
175 MB/s
Official Website
westerndigital.com
Added to E-Catalog
may 2021

Reliable 3.5" internal hard drive from the 2020 WD Red Plus HDD family. This line includes models from 1 GB to 14 TB that are optimized for long-term storage of information in NAS arrays. Positioned as mid-range product designed for use in home and office multi-drive storage connected to a local area network using high-speed network cable or wireless connections.Suitable for operation in small and medium business NAS arrays.Also can be used as an additional HDD drive The WD Red Plus WD40EFZX hard drive is not recommended for use as a system hard drive, but it can handle a hefty amount of work project files, high-quality video/photo/audio content, and backups.

Workload Rate) up to 180 TB/year This model uses those The technology of classic CMR magnetic recording, which allows to achieve an increased data transfer rate, and the magnetic plates themselves rotate at a speed of 5400 rpm. This provides moderate heat dissipation (3.1 W), which is important for building multi-drive home NAS systems with quiet cooling. 3D Active Balance Plus technology guarantees high reliability and stable performance when working 24/7.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog WD 2025 - new arrivals, bestsellers, and the most relevant models WD.
How to Choose a Hard DriveUnderstanding how to choose the right HDD for gaming, video recording, server, and other tasks

WD Red Plus WD40EFZX configurations

Price for WD Red Plus WD40EFZX
WD Red Plus WD20EFPX 2 TB
64/5400
from $79.991 offer
WD Red Plus WD40EFPX 4 TB
256/5400
from $99.993 offers
WD Red Plus WD60EFPX 6 TB
256/5400
from $97.004 offers
WD Red Plus WD80EFPX 8 TB
256/5700
from $179.991 offer
WD Red Plus WD101EFBX 10 TBfrom $189.994 offers
WD Red Plus WD120EFBX 12 TBfrom $239.993 offers
Video reviews