The SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) costs $0.4008/GB while the Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R costs $0.1405/GB. Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R offers 65% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) vs Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R — 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 Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) | Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R |
|---|---|---|
| Brand | SanDisk | Wintec |
| Capacity | 64 GB | 128GB |
| $/GB | $0.4008 | $0.1405 |
| Price | $25.65 | $17.99 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R offers better value at $0.1405//GB compared to the SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) at $0.4008//GB — that's roughly 65% less per gigabyte.
The best deal for the Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R is $17.99 at Newegg, while the SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) starts at $25.65 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) and Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) or Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R a better deal?
As of August 2026, Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R offers better value at $0.1405//GB compared to SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) at $0.4008//GB. That is approximately 65% better value per gigabyte.
What is the price per GB of SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN)?
The SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) is currently priced at $0.4008/GB ($25.65 for 64 GB) at Amazon.
Where can I buy Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R for the cheapest price?
The cheapest price for the Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R is $17.99 at Newegg, which works out to $0.1405/GB.