The Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black costs $0.0225/GB while the Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX costs $0.0269/GB. Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black offers 16% 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 Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX — Which Is Better Value?
Specification Comparison
| Spec | Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black | Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0225 | $0.0269 |
| Price | $90.10 | $107.50 |
| 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 Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX at $0.0269//GB — that's roughly 16% 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 Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX starts at $107.50 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 Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX 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 Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX 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 Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX at $0.0269//GB. That is approximately 16% 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 Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX for the cheapest price?
The cheapest price for the Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX is $107.50 at Amazon, which works out to $0.0269/GB.