The WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive costs $0.0456/GB while the Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX costs $0.0444/GB. Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX offers 3% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive vs Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX — Which Is Better Value?
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Specification Comparison
| Spec | WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive | Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 10TB | 8 TB |
| $/GB | $0.0456 | $0.0444 |
| Price | $455.99 | $354.99 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX offers better value at $0.0444//GB compared to the WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive at $0.0456//GB — that's roughly 3% less per gigabyte.
The best deal for the Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX is $354.99 at Amazon, while the WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive starts at $455.99 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 WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive and Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive or Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX a better deal?
As of August 2026, Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX offers better value at $0.0444//GB compared to WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive at $0.0456//GB. That is approximately 3% better value per gigabyte.
What is the price per GB of WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive?
The WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive is currently priced at $0.0456/GB ($455.99 for 10TB) at Newegg.
Where can I buy Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX for the cheapest price?
The cheapest price for the Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX is $354.99 at Amazon, which works out to $0.0444/GB.