Western Digital
Western Digital WD Easystore 4TB External USB 3.0 Portable Hard Drive - Black WDBKUZ0040BBK-WESN
Bottom line: The Western Digital WD Easystore 4TB External USB 3.0 Portable Hard Drive is a specs-and-price decision rather than a crowd-consensus one in the external storage category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ Backed by Western Digital's warranty and support channels
Cons
- ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
WD Easystore 4TB External USB 3.0 Portable Hard Drive WDBAJP0040BBK-WESN -Black
SpecPicks Verdict
SpecPicks scored Western Digital WD Easystore 4TB External USB 3.0 Portable Hard Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Western Digital's external 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 external 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.
Full Specifications
| Brand | Western Digital |
|---|---|
| Color | Black |
| Model Name | EasyStore |
| Read Speed | 5 gigabytes_per_second |
| Form Factor | Portable |
| Media Speed | 400-500 MB/s |
| Connectivity | USB |
| Model Number | WDBKUZ0040BBK-WESN |
| Built-In Media | Hard Drive Only |
| Hard-Drive Size | 4 TB |
| Mfr Part Number | WDBKUZ0040BBK-WESN |
| Number of Items | 1 |
| Special Feature | Portable |
| Hardware Platform | PC |
| Installation Type | External Hard Drive |
| Compatible Devices | Desktop |
| Data Transfer Rate | 5 gigabytes_per_second |
| Enclosure Material | Aluminum |
| Additional Features | Portable |
| Hard Disk Interface | USB 3.0 |
Ready to buy?
Western Digital WD Easystore 4TB External USB 3.0 Portable Hard Drive - Black WDBKUZ0040BBK-WESN is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related External Storage
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best 1440p Gaming GPUs in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Ryzen 7 5800X vs Ryzen 5 5600G for a Budget Gaming Build
- Build a Raspberry Pi 4 NVMe Jellyfin Homelab Box in 2026
- Can an RTX 3060 12GB Drive a 27-Inch 4K Monitor in 2026?
- Best SSD to Upgrade a PS4 Pro: Crucial BX500 vs Samsung 870 EVO Real-World Gains
- Rescue a Dying Vintage IDE Drive: Imaging Retro Disks with a USB-to-IDE Adapter
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- 3dfx Voodoo2 SLI on Windows 98 SE: Period-Correct Build, Glide Driver Setup, and Real Quake 3 Benchmarks
- Best Budget Gaming PC Build Parts in 2026: 5 Core Picks
- Best Budget PC Gaming Peripherals in 2026: 5 Picks That Punch Above Their Price
- Turn a Raspberry Pi Pico W Into a Driverless USB WiFi Adapter
- Perplexity's Local-or-Cloud Router: What Hardware Runs the Local Half
- Sound Blaster Audigy 2 ZS vs Aureal Vortex 2: The Last Great Win98 Audio Battle
- Best Steam Deck Docked Setup for a 4K Desk in 2026: Dock, Monitor, Storage
- Inside the Creative Katana V2X Soundbar Teardown — and What It Says About Sound Blaster
- Ollama on a 12GB RTX 3060: Best Models and tok/s in 2026
- Ryzen 7 5700X + RTX 3060 12GB: A Balanced 1440p Build in 2026
- CPU Offload for Local LLMs: Does a Ryzen 7 5800X Help?
- Build a Jellyfin Media Server on a Raspberry Pi 4 in 2026
- Best CPU Cooler for Intel Core i7/i9 Builds in 2026
- Linux Beats Windows 11 on the Ryzen 9 9950X3D2, Phoronix Finds
- Why Preassembled PCs Beat DIY Builds in 2026
- Best Raspberry Pi for Klipper in 2026: Pi 4 8GB vs Alternatives
- Ryzen 7 5800X vs Ryzen 7 5700X for 2026 Budget Gaming Builds
- Old Massive Chieftec Full Tower: Homelab Gem or Junk?
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090