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 $0.0312/GB while the Seagate IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 costs $0.0832/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 62% better value per gigabyte as of July 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 IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 — Which Is Better Value?
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 IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 8 TB | 6TB |
| $/GB | $0.0312 | $0.0832 |
| Price | $249.99 | $499.10 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
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 IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021
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 $0.0312//GB compared to the Seagate IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 at $0.0832//GB — that's roughly 62% 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 $249.99 at Amazon, while the Seagate IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 starts at $499.10 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 IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 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 IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 a better deal?
As of July 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 $0.0312//GB compared to Seagate IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 at $0.0832//GB. That is approximately 62% 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 $0.0312/GB ($249.99 for 8 TB) at Amazon.
Where can I buy Seagate IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 for the cheapest price?
The cheapest price for the Seagate IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021 is $499.10 at Newegg, which works out to $0.0832/GB.