The Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX costs $0.0298/GB while the WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black costs $0.0374/GB. Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX offers 20% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX vs WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black — Which Is Better Value?
WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black
Specification Comparison
| Spec | Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX | WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 12 TB | 12TB |
| $/GB | $0.0298 | $0.0374 |
| Price | $357.99 | $448.99 |
| Retailer | Amazon | Newegg |
| 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 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX offers better value at $0.0298//GB compared to the WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black at $0.0374//GB — that's roughly 20% less per gigabyte.
The best deal for the Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX is $357.99 at Amazon, while the WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black starts at $448.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX and WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX or WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black a better deal?
As of June 2026, Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX offers better value at $0.0298//GB compared to WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black at $0.0374//GB. That is approximately 20% better value per gigabyte.
What is the price per GB of Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX?
The Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX is currently priced at $0.0298/GB ($357.99 for 12 TB) at Amazon.
Where can I buy WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black for the cheapest price?
The cheapest price for the WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black is $448.99 at Newegg, which works out to $0.0374/GB.