The Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 costs $0.0340/GB while the Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX costs $0.1000/GB. Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 offers 66% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 vs Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX — Which Is Better Value?
Specification Comparison
| Spec | Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 | Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 4 TB | 1 TB |
| $/GB | $0.0340 | $0.1000 |
| Price | $135.80 | $99.99 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 offers better value at $0.0340//GB compared to the Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX at $0.1000//GB — that's roughly 66% less per gigabyte.
The best deal for the Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 is $135.80 at Amazon, while the Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX starts at $99.99 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 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 and Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 or Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX a better deal?
As of May 2026, Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 offers better value at $0.0340//GB compared to Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX at $0.1000//GB. That is approximately 66% better value per gigabyte.
What is the price per GB of Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025?
The Seagate 4TB Enterprise Capacity SAS 12Gb s 512n 3.5" Internal Hard Drive Model ST4000NM0025 is currently priced at $0.0340/GB ($135.80 for 4 TB) at Amazon.
Where can I buy Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX for the cheapest price?
The cheapest price for the Western Digital 1TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2.5" - WD10SPZX is $99.99 at Amazon, which works out to $0.1000/GB.