The Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ costs $0.0310/GB while the Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) costs $0.0550/GB. Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ offers 44% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ vs Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) — Which Is Better Value?
Specification Comparison
| Spec | Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ | Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 4 TB | 1 TB |
| $/GB | $0.0310 | $0.0550 |
| Price | $123.86 | $55.00 |
| 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 Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ offers better value at $0.0310//GB compared to the Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) at $0.0550//GB — that's roughly 44% less per gigabyte.
The best deal for the Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ is $123.86 at Amazon, while the Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) starts at $55.00 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ and Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ or Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) a better deal?
As of April 2026, Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ offers better value at $0.0310//GB compared to Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) at $0.0550//GB. That is approximately 44% better value per gigabyte.
What is the price per GB of Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ?
The Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ is currently priced at $0.0310/GB ($123.86 for 4 TB) at Amazon.
Where can I buy Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) for the cheapest price?
The cheapest price for the Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003) is $55.00 at Amazon, which works out to $0.0550/GB.