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 BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) costs $0.0500/GB. Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) offers 37% 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 BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) | Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 8TB | 6 TB |
| $/GB | $0.0312 | $0.0500 |
| Price | $249.99 | $299.90 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 )
Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03)
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 BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) at $0.0500//GB — that's roughly 37% 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 BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) starts at $299.90 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 Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 ) and Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) 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 BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) 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 BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) at $0.0500//GB. That is approximately 37% 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 BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) for the cheapest price?
The cheapest price for the Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) is $299.90 at Amazon, which works out to $0.0500/GB.