The Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black costs $0.0225/GB while 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 $0.0270/GB. Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black offers 17% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black vs 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 — Which Is Better Value?
Specification Comparison
| Spec | Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black | 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 |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0225 | $0.0270 |
| Price | $90.10 | $108.04 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black offers better value at $0.0225//GB compared to 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 at $0.0270//GB — that's roughly 17% less per gigabyte.
The best deal for the Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black is $90.10 at Amazon, while 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 starts at $108.04 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 One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black and 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 product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black or 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 a better deal?
As of April 2026, Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black offers better value at $0.0225//GB compared to 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 at $0.0270//GB. That is approximately 17% better value per gigabyte.
What is the price per GB of Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black?
The Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black is currently priced at $0.0225/GB ($90.10 for 4 TB) at Amazon.
Where can I buy 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 for the cheapest price?
The cheapest price 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 $108.04 at Amazon, which works out to $0.0270/GB.