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Western Digital Red Plus WD40EFZZ internal hard drive 4 TB 5400 RPM 128 MB 3.5" Serial ATA III - Image 1
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Western Digital Red Plus WD40EFZZ internal hard drive 4 TB 5400 RPM 128 MB 3.5" Serial ATA III

Western Digital

Compare today's prices on the "Western Digital Red Plus WD40EFZZ internal hard drive 4 TB 5400 RPM 128 MB 3.5" Serial AT...

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Last Updated: 06/11/2026
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Product Description

Compare today's prices on the "Western Digital Red Plus WD40EFZZ internal hard drive 4 TB 5400 RPM 128 MB 3.5" Serial ATA III".

Western Digital Red Plus WD40EFZZ Internal Hard Drive - 4 TB, 5400 RPM, 128 MB Cache, 3.5", Serial ATA III

Built specifically for demanding Network Attached Storage (NAS) environments, the Western Digital Red Plus WD40EFZZ offers the perfect balance of performance, reliability and energy efficiency for always-on data access. With its 4 TB capacity and 5400 RPM spin speed, this 3.5-inch internal drive is engineered to handle multiple simultaneous workloads in home and small business NAS systems, ensuring your critical files are always available when you need them.

- 4 TB storage capacity for extensive media libraries, backups and shared files

- 5400 RPM spindle speed for efficient data transfer and quiet operation

- 128 MB cache buffer for optimised read and write performance

- 3.5-inch form factor compatible with most NAS enclosures and desktop PCs

- Serial ATA III (6 Gb/s) interface for swift data connectivity

- NASware 3.0 firmware technology enhances reliability in multi-drive environments

- Built-in vibration protection and error recovery controls to maintain data integrity

- Low power consumption reduces heat output and operating costs

- Lightweight design at only 550 g for easy installation

Trust the Western Digital Red Plus to deliver consistent, round-the-clock storage performance for your NAS setup.

GTIN: 0718037905754