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 $0.0348/GB while the Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) costs $0.0508/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 32% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
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) vs Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) — 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 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) | Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 8 TB | 10TB |
| $/GB | $0.0348 | $0.0508 |
| Price | $278.00 | $508.00 |
| 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 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 $0.0348//GB compared to the Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) at $0.0508//GB — that's roughly 32% 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 $278.00 at Amazon, while the Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) starts at $508.00 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 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) and Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) product page for detailed specifications and price history.
Frequently Asked Questions
Is 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) or Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) a better deal?
As of August 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 $0.0348//GB compared to Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) at $0.0508//GB. That is approximately 32% better value per gigabyte.
What is the price per GB of 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)?
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 currently priced at $0.0348/GB ($278.00 for 8 TB) at Amazon.
Where can I buy Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) for the cheapest price?
The cheapest price for the Seagate Expansion 10TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP10000400) is $508.00 at Newegg, which works out to $0.0508/GB.