The Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 costs $0.0356/GB while the Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black costs $0.0697/GB. Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 offers 49% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 vs Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 | Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 4 TB | 4TB |
| $/GB | $0.0356 | $0.0697 |
| Price | $142.49 | $278.95 |
| Retailer | Amazon | Newegg |
| 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 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 offers better value at $0.0356//GB compared to the Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black at $0.0697//GB — that's roughly 49% less per gigabyte.
The best deal for the Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 is $142.49 at Amazon, while the Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black starts at $278.95 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 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 and Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 or Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black a better deal?
As of July 2026, Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 offers better value at $0.0356//GB compared to Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black at $0.0697//GB. That is approximately 49% better value per gigabyte.
What is the price per GB of Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004?
The Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 is currently priced at $0.0356/GB ($142.49 for 4 TB) at Amazon.
Where can I buy Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black for the cheapest price?
The cheapest price for the Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black is $278.95 at Newegg, which works out to $0.0697/GB.