The WD - Blue 4TB PC Internal Hard Drive for Desktops costs $0.0325/GB while the SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed costs $1.1896/GB. WD - Blue 4TB PC Internal Hard Drive for Desktops offers 97% 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 - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed — 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 - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed |
|---|---|---|
| Brand | Western Digital | SanDisk |
| Capacity | 4 TB | 512GB |
| $/GB | $0.0325 | $1.1896 |
| Price | $129.99 | $609.09 |
| 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 - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed at $1.1896//GB — that's roughly 97% 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 - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed starts at $609.09 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 - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - Blue 4TB PC Internal Hard Drive for Desktops or SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed 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 - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed at $1.1896//GB. That is approximately 97% 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 - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed for the cheapest price?
The cheapest price for the SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed is $609.09 at Newegg, which works out to $1.1896/GB.