The Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk costs $0.0316/GB while the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) costs $0.0278/GB. Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) offers 12% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk vs Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk | Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 8 TB | 8 TB |
| $/GB | $0.0316 | $0.0278 |
| Price | $252.53 | $222.80 |
| 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 Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) offers better value at $0.0278//GB compared to the Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk at $0.0316//GB — that's roughly 12% less per gigabyte.
The best deal for the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) is $222.80 at Amazon, while the Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk starts at $252.53 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 BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk and Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk or Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) a better deal?
As of June 2026, Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) offers better value at $0.0278//GB compared to Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk at $0.0316//GB. That is approximately 12% better value per gigabyte.
What is the price per GB of Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk?
The Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk is currently priced at $0.0316/GB ($252.53 for 8 TB) at Amazon.
Where can I buy Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) for the cheapest price?
The cheapest price for the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) is $222.80 at Amazon, which works out to $0.0278/GB.