The Seagate 4 TB 3.5" Internal Hard Drive costs $0.0285/GB while the Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black costs $0.0225/GB. Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black offers 21% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate 4 TB 3.5" Internal Hard Drive vs Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black — Which Is Better Value?
Seagate 4 TB 3.5" Internal Hard Drive
Specification Comparison
| Spec | Seagate 4 TB 3.5" Internal Hard Drive | Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0285 | $0.0225 |
| Price | $114.00 | $90.10 |
| 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 4 TB 3.5" Internal Hard Drive at $0.0285//GB — that's roughly 21% 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 4 TB 3.5" Internal Hard Drive starts at $114.00 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 4 TB 3.5" Internal Hard Drive and Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate 4 TB 3.5" Internal Hard Drive or Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black 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 4 TB 3.5" Internal Hard Drive at $0.0285//GB. That is approximately 21% better value per gigabyte.
What is the price per GB of Seagate 4 TB 3.5" Internal Hard Drive?
The Seagate 4 TB 3.5" Internal Hard Drive is currently priced at $0.0285/GB ($114.00 for 4 TB) at Amazon.
Where can I buy Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black for the cheapest price?
The cheapest price for the Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black is $90.10 at Amazon, which works out to $0.0225/GB.