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 $0.0303/GB while the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives costs $0.0324/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 6% better value per gigabyte as of March 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 ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives — 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 | ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives |
|---|---|---|
| Brand | Western Digital | ST4000NM0035 |
| Capacity | 4 TB | 4TB |
| $/GB | $0.0303 | $0.0324 |
| Price | $121.26 | $129.60 |
| Retailer | Amazon | Newegg |
| 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 $0.0303//GB compared to the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives at $0.0324//GB — that's roughly 6% 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 $121.26 at Amazon, while the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives starts at $129.60 at Newegg.
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 ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives 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 ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives a better deal?
As of March 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 $0.0303//GB compared to ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives at $0.0324//GB. That is approximately 6% 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 $0.0303/GB ($121.26 for 4 TB) at Amazon.
Where can I buy ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives for the cheapest price?
The cheapest price for the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives is $129.60 at Newegg, which works out to $0.0324/GB.