The Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX costs $0.0325/GB while the WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver costs $0.0450/GB. Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX offers 28% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX vs WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver — Which Is Better Value?
Specification Comparison
| Spec | Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX | WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0325 | $0.0450 |
| Price | $129.99 | $179.99 |
| Retailer | Amazon | Best Buy |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX offers better value at $0.0325//GB compared to the WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver at $0.0450//GB — that's roughly 28% less per gigabyte.
The best deal for the Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX is $129.99 at Amazon, while the WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver starts at $179.99 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 Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX and WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX or WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver a better deal?
As of May 2026, Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX offers better value at $0.0325//GB compared to WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver at $0.0450//GB. That is approximately 28% better value per gigabyte.
What is the price per GB of Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX?
The Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX is currently priced at $0.0325/GB ($129.99 for 4 TB) at Amazon.
Where can I buy WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver for the cheapest price?
The cheapest price for the WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver is $179.99 at Best Buy, which works out to $0.0450/GB.