The WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0375/GB while the WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) costs $0.0509/GB. WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers 26% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive vs WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) — Which Is Better Value?
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Specification Comparison
| Spec | WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive | WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 12TB | 12TB |
| $/GB | $0.0375 | $0.0509 |
| Price | $449.99 | $610.53 |
| 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 WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0375//GB compared to the WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) at $0.0509//GB — that's roughly 26% less per gigabyte.
The best deal for the WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $449.99 at Newegg, while the WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) starts at $610.53 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 Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive and WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive or WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) a better deal?
As of September 2026, WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0375//GB compared to WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) at $0.0509//GB. That is approximately 26% better value per gigabyte.
What is the price per GB of WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive?
The WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is currently priced at $0.0375/GB ($449.99 for 12TB) at Newegg.
Where can I buy WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) for the cheapest price?
The cheapest price for the WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN) is $610.53 at Newegg, which works out to $0.0509/GB.