The SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) costs $0.3797/GB while the MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter costs $0.1874/GB. MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter offers 51% better value per gigabyte as of September 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 MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) | MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter |
|---|---|---|
| Brand | SanDisk | MindStor |
| Capacity | 64 GB | 128 GB |
| $/GB | $0.3797 | $0.1874 |
| Price | $24.30 | $23.99 |
| Retailer | Amazon | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter offers better value at $0.1874//GB compared to the SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) at $0.3797//GB — that's roughly 51% less per gigabyte.
The best deal for the MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter is $23.99 at Amazon, while the SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) starts at $24.30 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 MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter 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 MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter a better deal?
As of September 2026, MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter offers better value at $0.1874//GB compared to SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) at $0.3797//GB. That is approximately 51% 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 $0.3797/GB ($24.30 for 64 GB) at Amazon.
Where can I buy MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter for the cheapest price?
The cheapest price for the MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter is $23.99 at Amazon, which works out to $0.1874/GB.