The WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver costs $0.0350/GB while the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives costs $0.0324/GB. ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives offers 7% 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 4TB External USB 3.0 Portable Hard Drive - Silver vs ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives — Which Is Better Value?
Specification Comparison
| Spec | WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver | ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives |
|---|---|---|
| Brand | Western Digital | ST4000NM0035 |
| Capacity | 4 TB | 4TB |
| $/GB | $0.0350 | $0.0324 |
| Price | $139.99 | $129.60 |
| Retailer | Best Buy | Newegg |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives offers better value at $0.0324//GB compared to the WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver at $0.0350//GB — that's roughly 7% less per gigabyte.
The best deal for the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives is $129.60 at Newegg, while the WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver starts at $139.99 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 4TB External USB 3.0 Portable Hard Drive - Silver and ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver or ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives a better deal?
As of March 2026, ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives offers better value at $0.0324//GB compared to WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver at $0.0350//GB. That is approximately 7% better value per gigabyte.
What is the price per GB of WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver?
The WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver is currently priced at $0.0350/GB ($139.99 for 4 TB) at Best Buy.
Where can I buy ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives for the cheapest price?
The cheapest price for the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives is $129.60 at Newegg, which works out to $0.0324/GB.