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 Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM costs $0.0469/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 33% 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 Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM — 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

SpecSeagate 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 Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM
BrandSeagateSeagate
Capacity8 TB8TB
$/GB$0.0312$0.0469
Price$249.99$375.00
RetailerAmazonNewegg
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

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)

Amazon$0.0312//GB
$249.99Buy

Seagate Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM

Newegg$0.0469//GB
$375.00Buy
Newegg$0.0493//GB
$394.45Buy

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 Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM at $0.0469//GB — that's roughly 33% 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 Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM starts at $375.00 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 Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM 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 Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM 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 $0.0312//GB compared to Seagate Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM at $0.0469//GB. That is approximately 33% 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 Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM for the cheapest price?

The cheapest price for the Seagate Technology ST8000NM0055 Seagate Enterprise ST8000NM0055 8 TB 3.5' Internal Hard Drive - SATA - 7200 - 256 MB Buffer - OEM is $375.00 at Newegg, which works out to $0.0469/GB.

Compare With Similar Products