Western Digital WD Red Plus 4 To
Hard Drive 3.5" 4 To 128 Mo Serial ATA 6Gb/s 5400 RPM - WD40EFZZ
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Maximum compatibility with NAS systems
Specifically designed for NAS systems with 1 to 8 bays, Western Digital Red Plus hard drives offer an MTBF of up to one million hours; the WD Red Plus drive is designed to handle environments running 24 h/24, 7 j/7. Access, back up, share and organize your digital content using a NAS and WD Red Plus drives designed to let you easily share content across all devices at home or in your business.
Built into every WD Red Plus hard drive, advanced NASware 3.0 technology improves storage performance by increasing compatibility, integration, upgradeability and reliability. Optimized for NAS systems, the built-in algorithm delivers the perfect balance between performance and reliability in NAS and RAID environments.

Designed for NAS
With the power needed to handle NAS environments for small and medium-sized businesses and the increased workloads1 of home office customers, WD Red Plus is ideal for archiving and sharing, as well as for rebuilding RAID arrays on systems using ZFS and other file systems. Designed and tested for NAS systems with up to 8 bays, these drives provide the flexibility, versatility and reliability you need to store and share your important personal and business files.
Access, back up, share and organize your digital content using a NAS and WD Red Plus drives designed to let you easily share content across all devices at home or in your business. NASware 3.0 technology improves your drives' compatibility with your current devices and network.
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General information |
Product name |
Western Digital WD Red Plus 4 To |
Brand |
Western Digital | |
Model |
WD40EFZZ | |
Main characteristics |
Interface with the computer |
Serial ATA 6Gb/s (SATA Revision 3) |
Hard drive format |
3" 1/2 | |
Capacity |
4 TB | |
Performance |
Rotation speed |
5400 RPM |
Cache size |
128 MB | |
Recording technology |
CMR | |
Design |
Hard drive type |
HDD (Hard Disk Drive) |
Use |
for NAS | |
Physical characteristics |
Width |
101.6 mm |
Height |
26.1 mm | |
Depth |
147 mm | |
Weight |
0.55 kg | |
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
|
|
Safety Information |
Responsible person |
Western Digital UK Limited |
Postal address |
Connaught House, 3rd Floor, 255 High Street Guildford, Surrey GU1 3BS, GB, United Kingdom | |
Electronic Address |
Click here
|
Product referenced on 23 Apr 2026
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