The WD - Blue 4TB PC Internal Hard Drive for Desktops costs $0.0325/GB while the SanDisk Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) costs $0.3135/GB. WD - Blue 4TB PC Internal Hard Drive for Desktops offers 90% 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 Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) — 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 Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) |
|---|---|---|
| Brand | Western Digital | SanDisk |
| Capacity | 4 TB | 512GB |
| $/GB | $0.0325 | $0.3135 |
| Price | $129.99 | $160.50 |
| Retailer | Best Buy | 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 4TB PC Internal Hard Drive for Desktops offers better value at $0.0325//GB compared to the SanDisk Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) at $0.3135//GB — that's roughly 90% 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 Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) starts at $160.50 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 4TB PC Internal Hard Drive for Desktops and SanDisk Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - Blue 4TB PC Internal Hard Drive for Desktops or SanDisk Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) 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 Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) at $0.3135//GB. That is approximately 90% 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 Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) for the cheapest price?
The cheapest price for the SanDisk Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN) is $160.50 at Newegg, which works out to $0.3135/GB.