The Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) costs $0.0312/GB while the Seagate - Expansion Desktop 8TB HDD - Black costs $0.0350/GB. Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) offers 11% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) vs Seagate - Expansion Desktop 8TB HDD - Black — Which Is Better Value?
Seagate - Expansion Desktop 8TB HDD - Black
Specification Comparison
| Spec | Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) | Seagate - Expansion Desktop 8TB HDD - Black |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 8TB | 8 TB |
| $/GB | $0.0312 | $0.0350 |
| Price | $249.99 | $279.99 |
| Retailer | Newegg | Best Buy |
| 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 Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) offers better value at $0.0312//GB compared to the Seagate - Expansion Desktop 8TB HDD - Black at $0.0350//GB — that's roughly 11% less per gigabyte.
The best deal for the Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) is $249.99 at Newegg, while the Seagate - Expansion Desktop 8TB HDD - Black starts at $279.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) and Seagate - Expansion Desktop 8TB HDD - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) or Seagate - Expansion Desktop 8TB HDD - Black a better deal?
As of July 2026, Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) offers better value at $0.0312//GB compared to Seagate - Expansion Desktop 8TB HDD - Black at $0.0350//GB. That is approximately 11% better value per gigabyte.
What is the price per GB of Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 )?
The Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) is currently priced at $0.0312/GB ($249.99 for 8TB) at Newegg.
Where can I buy Seagate - Expansion Desktop 8TB HDD - Black for the cheapest price?
The cheapest price for the Seagate - Expansion Desktop 8TB HDD - Black is $279.99 at Best Buy, which works out to $0.0350/GB.