The WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN) costs $0.0625/GB while the Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty costs $0.0325/GB. Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers 48% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN) vs Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty — Which Is Better Value?
Specification Comparison
| Spec | WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN) | Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty |
|---|---|---|
| Brand | Western Digital | Avolusion |
| Capacity | 4TB | 4 TB |
| $/GB | $0.0625 | $0.0325 |
| Price | $249.99 | $129.99 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers better value at $0.0325//GB compared to the WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN) at $0.0625//GB — that's roughly 48% less per gigabyte.
The best deal for the Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty is $129.99 at Amazon, while the WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN) starts at $249.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN) and Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty product page for detailed specifications and price history.
Frequently Asked Questions
Is WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN) or Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty a better deal?
As of June 2026, Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers better value at $0.0325//GB compared to WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN) at $0.0625//GB. That is approximately 48% better value per gigabyte.
What is the price per GB of WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN)?
The WD My Book 4TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0040HBK-NESN) is currently priced at $0.0625/GB ($249.99 for 4TB) at Newegg.
Where can I buy Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty for the cheapest price?
The cheapest price for the Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty is $129.99 at Amazon, which works out to $0.0325/GB.