The Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) costs $0.0350/GB while the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver costs $0.0534/GB. Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers 34% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) vs LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) | LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver |
|---|---|---|
| Brand | Seagate | LaCie |
| Capacity | 5 TB | 4TB |
| $/GB | $0.0350 | $0.0534 |
| Price | $175.00 | $213.64 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers better value at $0.0350//GB compared to the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver at $0.0534//GB — that's roughly 34% less per gigabyte.
The best deal for the Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) is $175.00 at Amazon, while the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver starts at $213.64 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) 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 Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) or LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver a better deal?
As of August 2026, Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers better value at $0.0350//GB compared to LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver at $0.0534//GB. That is approximately 34% better value per gigabyte.
What is the price per GB of Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000)?
The Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) is currently priced at $0.0350/GB ($175.00 for 5 TB) at Amazon.
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 $213.64 at Newegg, which works out to $0.0534/GB.