The WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ costs $0.0487/GB while the Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive costs $0.0413/GB. Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers 15% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ vs Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive — Which Is Better Value?
WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ
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Specification Comparison
| Spec | WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ | Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 4TB | 4TB |
| $/GB | $0.0487 | $0.0413 |
| Price | $194.99 | $165.00 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0413//GB compared to the WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ at $0.0487//GB — that's roughly 15% less per gigabyte.
The best deal for the Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is $165.00 at Newegg, while the WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ starts at $194.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ and Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ or Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive a better deal?
As of August 2026, Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0413//GB compared to WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ at $0.0487//GB. That is approximately 15% better value per gigabyte.
What is the price per GB of WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ?
The WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ is currently priced at $0.0487/GB ($194.99 for 4TB) at Newegg.
Where can I buy Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive for the cheapest price?
The cheapest price for the Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is $165.00 at Newegg, which works out to $0.0413/GB.