The Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ costs $0.8093/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 78% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ 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?
Specification Comparison
| Spec | Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ | SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s |
|---|---|---|
| Brand | Lexar | Samsung |
| Capacity | 640GB | 512GB |
| $/GB | $0.8093 | $0.1758 |
| Price | $517.98 | $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 Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ at $0.8093//GB — that's roughly 78% 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 Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ starts at $517.98 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ 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 Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ 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 July 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 Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ at $0.8093//GB. That is approximately 78% better value per gigabyte.
What is the price per GB of Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ?
The Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card WITH LEXAR CFEXPRESS TYPE A USB3.2 GEN2 READ is currently priced at $0.8093/GB ($517.98 for 640GB) 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.