The SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB, Single costs $1.0000/GB while the SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s costs $0.1758/GB. SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s offers 82% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB, Single vs SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB, Single | SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s |
|---|---|---|
| Brand | SanDisk | Samsung |
| Capacity | 400GB | 512GB |
| $/GB | $1.0000 | $0.1758 |
| Price | $399.99 | $89.99 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s offers better value at $0.1758//GB compared to the SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB, Single at $1.0000//GB — that's roughly 82% less per gigabyte.
The best deal for the SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s is $89.99 at Newegg, while the SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB, Single starts at $399.99 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 CFexpress 4.0 Type-B Memory Card - 400GB, Single and SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB, Single or SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s a better deal?
As of September 2026, SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s offers better value at $0.1758//GB compared to SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB, Single at $1.0000//GB. That is approximately 82% better value per gigabyte.
What is the price per GB of SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB, Single?
The SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB, Single is currently priced at $1.0000/GB ($399.99 for 400GB) at Newegg.
Where can I buy SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s for the cheapest price?
The cheapest price for the SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s is $89.99 at Newegg, which works out to $0.1758/GB.