The Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive costs $0.0312/GB while the Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) costs $0.0287/GB. Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) offers 8% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive vs Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) — Which Is Better Value?
Specification Comparison
| Spec | Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive | Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 8 TB | 8 TB |
| $/GB | $0.0312 | $0.0287 |
| Price | $249.61 | $229.99 |
| Retailer | Amazon | Amazon |
| 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 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) offers better value at $0.0287//GB compared to the Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive at $0.0312//GB — that's roughly 8% less per gigabyte.
The best deal for the Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) is $229.99 at Amazon, while the Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive starts at $249.61 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive and Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive or Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) a better deal?
As of April 2026, Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) offers better value at $0.0287//GB compared to Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive at $0.0312//GB. That is approximately 8% better value per gigabyte.
What is the price per GB of Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive?
The Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive is currently priced at $0.0312/GB ($249.61 for 8 TB) at Amazon.
Where can I buy Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) for the cheapest price?
The cheapest price for the Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) is $229.99 at Amazon, which works out to $0.0287/GB.