Western Digital

WD 4 TB 3.5" Performance Hard Drive 128 MB Cache, 3.5" Internal Bare or OEM Drives, Black (WD4004FZWX)

Name: WD 4 TB 3.5" Performance Hard Drive 128 MB Cache, 3.5" Internal Bare or OEM Drives, Black (WD4004FZWX)
Brand: Western Digital
SKU: B01GWS2ZOC

Status: WD 4 TB 3.5" Performance Hard Drive 128 MB Cache (4TB hard drive): Unavailable on Amazon as of 2026-10-06 22:23 UTC. Closest in-stock match (same 4TB hard drive): Seagate BarraCuda 4TB Internal Hard Drive HDD, $199.99 on Amazon as of 2026-10-06 16:17 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $199.99 🛒 Search eBay for this model

Bottom line: The Western Digital WD 4 TB 3.5" Performance Hard Drive 128 MB Cache: 4 TB capacity for large game libraries, 4K video, and RAW photo archives; main trade-off: bare OEM drive: no screws, cables, or mounting hardware included.

Unavailable on Amazon as of 2026-10-06 22:23 UTC

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Currently unavailable on Amazon. Not the same product — 2 in-stock alternatives with matching specs:

Same 4TB hard drive: Seagate BarraCuda 4TB Internal Hard Drive HDD — $199.99 on Amazon as of 2026-10-06 16:17 UTC (price may vary).

View Current Price — $199.99

Same 4TB hard drive: Seagate IronWolf 4TB NAS Internal Hard Drive HDD — $259.00 on Amazon as of 2026-10-06 10:15 UTC (price may vary).

View Current Price — $259.00

Original listing (currently unavailable) → Compare to similar ssds & storage

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 4 TB capacity for large game libraries, 4K video, and RAW photo archives
✓ 128 MB DRAM cache speeds heavy read/write workloads
✓ 7200 RPM class for faster access than 5400 RPM drives
✓ 5-year WD limited warranty covers long-term desktop use
✓ StableTrac and Vibration Control tech steady multi-drive bays

Cons

✗ Bare OEM drive: no screws, cables, or mounting hardware included
✗ 3.5-inch form factor won't fit laptops or slim cases
✗ 7200 RPM class runs hotter and louder than 5400 RPM drives
✗ Mechanical HDD far slower than an SSD for OS and app loads

Manufacturer description

Inspiring performance and capacity - WD black performance storage is designed to enhance your PC experience across heavier computing tasks whether you are a digital artist, video editor, photographer, or gamer. Available with an impressive 128 MB of DRAM cache on higher capacity models, the WD black drive is optimized for drive performance so you can spend more time experiencing the things you love most. Enhance your PC's performance even further when you combine a WD black drive with an SSD for a dual drive configuration, allowing you to benefit from the additional caching of your operating…

SpecPicks Verdict

SpecPicks scored Western Digital WD 4 TB 3.5" Performance Hard Drive 128 MB Cache using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Western Digital's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

Next-generation desktop performance hard drive designed to intensify your PC experience
Improved Architectural Designs: Dual Core Processor, High Resolution Controller (HRC), StableTrac Technology
Improved Data Protection: Vibration Control Technology (VCT), Corruption Protection Technology (CPT), NoTouch Ramp Load Technology
Industry-leading 5-year manufacturer limited warranty
Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary.
Ships in WD-certified box for safe transit during shipping.RPM Class-7200.

Full Specifications

Brand	Western Digital
Color	black
Model Name	Black
Read Speed	120 Megabytes Per Second
Form Factor	3.5 in
Media Speed	202 megabytes_per_second
Model Number	WD4004FZWX
Compatibility	PC
Built-In Media	WD-certified box
Hard-Drive Size	4 TB
Mfr Part Number	WD4004FZWX
Number of Items	1
Special Feature	Portable
Item Part Number	WD4004FZWX
Vibration/Rumble	Yes
Hardware Platform	PC
Installation Type	Screw In
Compatible Devices	Desktop
Data Transfer Rate	750 Megabytes Per Second
Additional Features	Portable

Ready to buy?

Amazon shows no buyable offer for WD 4 TB 3.5" Performance Hard Drive 128 MB Cache at the last check. The closest in-stock match with the same 4TB hard drive is Seagate BarraCuda 4TB Internal Hard Drive HDD. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $199.99