Western Digital WD4001FAEX Black 4TB Desktop HDD

Name: Western Digital WD4001FAEX Black 4TB Desktop HDD
Brand: Western Digital
SKU: WD4001FAEX

Overview

The Western Digital WD4001FAEX Black 4TB is a performance-oriented 3.5-inch internal hard drive built for desktop users who need both speed and capacity. At its core is a dual-processor architecture that separates drive management tasks from data transfer operations, allowing the WD Black to achieve faster sustained read and write speeds than single-processor designs. Combined with a 7200 RPM spindle speed, 64MB cache, and a SATA 6 Gb/s interface, this drive is well suited for demanding tasks such as video editing, game library storage, and large-scale data management.

Western Digital's StableTrac technology secures the motor shaft at both ends, reducing vibration that can cause tracking errors—particularly useful in systems with multiple drives or in environments where the PC is subject to occasional movement. The NoTouch Ramp Load design keeps the recording head from ever contacting the disk surface, which helps preserve the platters and extend the overall lifespan of the drive. With 4TB of raw capacity and a 5-year limited warranty, the WD4001FAEX is a solid choice for users who want a dependable, high-performance mechanical drive for their desktop workstation.

Key Features

WD Black high performance 3.5-Inch SATA hard drives combine 7200 RPM spin speed, 64 MB cache, and SATA 6 Gb/s interface for the ultimate in power computing.

High performance electronics architecture features dual processors and bigger, faster caches for maximum read and write speeds.

StableTrac The motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking, during read and write operations.

4 TB capacity holds up to 800,000 digital photos, 1,000,000 MP3 files, and 300 hours of HD video.

5 year limited warranty.

Microsoft operating systems prior to Vista, 32-bit operating systems, and Mac systems prior to OSX 10.4 may not support volumes greater than 2TB. To recognize the full capacity of this drive, you may need multiple partitions. Check with the manufacturer to verify your system’s compatibility.

Specifications

Brand

Western Digital

Model

WD4001FAEX

Capacity

4TB

Form Factor

3.5 Inch

Interface

SATA 6 Gb/s

Spindle Speed

7200 RPM

Cache

64MB

Processor

Dual Processor

Ramp Load Technology

NoTouch

Vibration Control

StableTrac

Warranty

5-Year Limited

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Pros & Cons

👍 Pros

7200 RPM spin speed with dual-processor architecture delivers strong sequential and random read/write performance
4TB capacity provides ample room for large media libraries, games, and project files
64MB cache helps smooth out data transfers during demanding workloads
StableTrac motor design reduces internal vibration for more reliable operation
Backed by a 5-year limited warranty, longer than most consumer hard drives

👎 Cons

3.5-inch mechanical drive generates noticeable noise and heat compared to SSDs
Older 32-bit operating systems may not recognize the full 4TB without multiple partitions
No built-in encryption or hardware-level data protection features
Power consumption is higher than 5400 RPM drives, which may matter in always-on systems

Frequently Asked Questions

What interface does the WD4001FAEX use?

It uses a SATA 6 Gb/s interface, which is backward compatible with SATA 3 Gb/s and SATA 1.5 Gb/s connections.

Will my operating system recognize the full 4TB capacity?

Windows Vista and later 64-bit systems, and macOS 10.4 and later, support volumes greater than 2TB. Older or 32-bit operating systems may require multiple partitions to access the full capacity.

What is StableTrac technology?

StableTrac secures the motor shaft at both ends inside the drive to reduce vibration and stabilize the platters, which helps maintain accurate read and write tracking.

What kind of warranty does this drive come with?

The WD4001FAEX comes with a 5-year limited warranty from Western Digital.

Is this drive suitable for use in a NAS or RAID setup?

While it can physically work in multi-drive enclosures, the WD Black line is optimized for single-drive desktop performance. WD Red drives are specifically designed for NAS and RAID environments.