The WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver costs $0.0525/GB while the WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN costs $0.0325/GB. WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN offers 38% better value per gigabyte as of March 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver vs WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN — Which Is Better Value?
Specification Comparison
| Spec | WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver | WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 2 TB | 4 TB |
| $/GB | $0.0525 | $0.0325 |
| Price | $104.99 | $129.99 |
| Retailer | Best Buy | Amazon |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | hdd |
Price Across Retailers
WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver
WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN
Which Should You Buy?
Based on current pricing data, the WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN offers better value at $0.0325//GB compared to the WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver at $0.0525//GB — that's roughly 38% less per gigabyte.
The best deal for the WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN is $129.99 at Amazon, while the WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver starts at $104.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver and WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver or WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN a better deal?
As of March 2026, WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN offers better value at $0.0325//GB compared to WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver at $0.0525//GB. That is approximately 38% better value per gigabyte.
What is the price per GB of WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver?
The WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive - Silver is currently priced at $0.0525/GB ($104.99 for 2 TB) at Best Buy.
Where can I buy WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN for the cheapest price?
The cheapest price for the WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN is $129.99 at Amazon, which works out to $0.0325/GB.