The WD - Blue 4TB PC Internal Hard Drive for Desktops costs $0.0325/GB while the SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray costs $0.0750/GB. WD - Blue 4TB PC Internal Hard Drive for Desktops offers 57% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - Blue 4TB PC Internal Hard Drive for Desktops vs SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray — Which Is Better Value?
WD - Blue 4TB PC Internal Hard Drive for Desktops
Specification Comparison
| Spec | WD - Blue 4TB PC Internal Hard Drive for Desktops | SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray |
|---|---|---|
| Brand | Western Digital | G-DRIVE |
| Capacity | 4 TB | 2 TB |
| $/GB | $0.0325 | $0.0750 |
| Price | $129.99 | $149.99 |
| Retailer | Best Buy | Best Buy |
| 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 4TB PC Internal Hard Drive for Desktops offers better value at $0.0325//GB compared to the SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray at $0.0750//GB — that's roughly 57% less per gigabyte.
The best deal for the WD - Blue 4TB PC Internal Hard Drive for Desktops is $129.99 at Best Buy, while the SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray starts at $149.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD - Blue 4TB PC Internal Hard Drive for Desktops and SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - Blue 4TB PC Internal Hard Drive for Desktops or SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray a better deal?
As of May 2026, WD - Blue 4TB PC Internal Hard Drive for Desktops offers better value at $0.0325//GB compared to SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray at $0.0750//GB. That is approximately 57% better value per gigabyte.
What is the price per GB of WD - Blue 4TB PC Internal Hard Drive for Desktops?
The WD - Blue 4TB PC Internal Hard Drive for Desktops is currently priced at $0.0325/GB ($129.99 for 4 TB) at Best Buy.
Where can I buy SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray for the cheapest price?
The cheapest price for the SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray is $149.99 at Best Buy, which works out to $0.0750/GB.