The WD - Blue 4TB PC Internal Hard Drive for Desktops costs $0.0325/GB while the Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) costs $0.0575/GB. WD - Blue 4TB PC Internal Hard Drive for Desktops offers 43% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - Blue 4TB PC Internal Hard Drive for Desktops vs Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) — Which Is Better Value?
WD - Blue 4TB PC Internal Hard Drive for Desktops
Specification Comparison
| Spec | WD - Blue 4TB PC Internal Hard Drive for Desktops | Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0325 | $0.0575 |
| Price | $129.99 | $229.99 |
| Retailer | Best Buy | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD - Blue 4TB PC Internal Hard Drive for Desktops offers better value at $0.0325//GB compared to the Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) at $0.0575//GB — that's roughly 43% less per gigabyte.
The best deal for the WD - Blue 4TB PC Internal Hard Drive for Desktops is $129.99 at Best Buy, while the Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) starts at $229.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD - Blue 4TB PC Internal Hard Drive for Desktops and Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - Blue 4TB PC Internal Hard Drive for Desktops or Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) a better deal?
As of May 2026, WD - Blue 4TB PC Internal Hard Drive for Desktops offers better value at $0.0325//GB compared to Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) at $0.0575//GB. That is approximately 43% better value per gigabyte.
What is the price per GB of WD - Blue 4TB PC Internal Hard Drive for Desktops?
The WD - Blue 4TB PC Internal Hard Drive for Desktops is currently priced at $0.0325/GB ($129.99 for 4 TB) at Best Buy.
Where can I buy Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) for the cheapest price?
The cheapest price for the Seagate IronWolf Pro, 4 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST4000NT001) is $229.99 at Amazon, which works out to $0.0575/GB.