The MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter costs $0.1780/GB while the SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) costs $0.3475/GB. MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter offers 49% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter vs SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) — Which Is Better Value?
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Specification Comparison
| Spec | MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter | SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) |
|---|---|---|
| Brand | MindStor | SanDisk |
| Capacity | 128 GB | 64GB |
| $/GB | $0.1780 | $0.3475 |
| Price | $22.79 | $22.24 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | 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 $0.1780//GB compared to the SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) at $0.3475//GB — that's roughly 49% less per gigabyte.
The best deal for the MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter is $22.79 at Amazon, while the SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) starts at $22.24 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter and SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) product page for detailed specifications and price history.
Frequently Asked Questions
Is MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter or SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) a better deal?
As of August 2026, MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter offers better value at $0.1780//GB compared to SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) at $0.3475//GB. That is approximately 49% better value per gigabyte.
What is the price per GB of MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter?
The MindStor 128GB Micro SDXC Memory Card, 90MB/s Read, U1, A1, with Adapter is currently priced at $0.1780/GB ($22.79 for 128 GB) at Amazon.
Where can I buy SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) for the cheapest price?
The cheapest price for the SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-064G-GN6IN) is $22.24 at Newegg, which works out to $0.3475/GB.