The SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II... costs $0.7910/GB while the Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX costs $0.0325/GB. Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX offers 96% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II... vs Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX — Which Is Better Value?

Specification Comparison

SpecSanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II...Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX
BrandSanDiskWestern Digital
Capacity512GB4 TB
$/GB$0.7910$0.0325
Price$404.99$129.99
RetailerNeweggAmazon
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II...

Newegg$0.7910//GB
$404.99Buy

Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX

Amazon$0.0325//GB
$129.99Buy

Which Should You Buy?

Based on current pricing data, the Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX offers better value at $0.0325//GB compared to the SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II... at $0.7910//GB — that's roughly 96% less per gigabyte.

The best deal for the Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX is $129.99 at Amazon, while the SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II... starts at $404.99 at Newegg.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II... and Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX product page for detailed specifications and price history.

Frequently Asked Questions

Is SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II... or Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX a better deal?

As of May 2026, Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX offers better value at $0.0325//GB compared to SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II... at $0.7910//GB. That is approximately 96% better value per gigabyte.

What is the price per GB of SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II...?

The SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write Green Extreme USB-C 3.2 Gen 2 CFexpress Type-B and SD UHS-II... is currently priced at $0.7910/GB ($404.99 for 512GB) at Newegg.

Where can I buy Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX for the cheapest price?

The cheapest price for the Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX is $129.99 at Amazon, which works out to $0.0325/GB.

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