The Seagate 4 TB 3.5" Internal Hard Drive costs $0.0300/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 $0.0375/GB. Seagate 4 TB 3.5" Internal Hard Drive offers 20% 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 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

SpecSeagate 4 TB 3.5" Internal Hard DriveWestern Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX
BrandSeagateWestern Digital
Capacity4 TB4 TB
$/GB$0.0300$0.0375
Price$119.99$149.99
RetailerAmazonAmazon
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

Seagate 4 TB 3.5" Internal Hard Drive

Amazon$0.0300//GB
$119.99Buy

Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX

Amazon$0.0375//GB
$149.99Buy

Which Should You Buy?

Based on current pricing data, the Seagate 4 TB 3.5" Internal Hard Drive offers better value at $0.0300//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 $0.0375//GB — that's roughly 20% less per gigabyte.

The best deal for the Seagate 4 TB 3.5" Internal Hard Drive is $119.99 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 $149.99 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 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 4 TB 3.5" Internal Hard Drive 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 4 TB 3.5" Internal Hard Drive offers better value at $0.0300//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 $0.0375//GB. That is approximately 20% 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 $0.0300/GB ($119.99 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 $149.99 at Amazon, which works out to $0.0375/GB.

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