The WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN costs $0.0347/GB while the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver costs $0.0595/GB. WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN offers 42% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN vs LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver — Which Is Better Value?
Specification Comparison
| Spec | WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN | LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver |
|---|---|---|
| Brand | Western Digital | LaCie |
| Capacity | 4TB | 4TB |
| $/GB | $0.0347 | $0.0595 |
| Price | $138.99 | $238.07 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN offers better value at $0.0347//GB compared to the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver at $0.0595//GB — that's roughly 42% less per gigabyte.
The best deal for the WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN is $138.99 at Newegg, while the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver starts at $238.07 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 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN and LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver product page for detailed specifications and price history.
Frequently Asked Questions
Is WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN or LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver a better deal?
As of July 2026, WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN offers better value at $0.0347//GB compared to LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver at $0.0595//GB. That is approximately 42% better value per gigabyte.
What is the price per GB of WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN?
The WD 4TB My Passport Ultra Portable Storage External Hard Drive USB-C Gold WDBFTM0040BGD-CESN is currently priced at $0.0347/GB ($138.99 for 4TB) at Newegg.
Where can I buy LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver for the cheapest price?
The cheapest price for the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver is $238.07 at Newegg, which works out to $0.0595/GB.