The SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN costs $0.2062/GB while the 128GB UHS-I U3 SD CARD costs $0.4218/GB. SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN 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 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN vs 128GB UHS-I U3 SD CARD — Which Is Better Value?
128GB UHS-I U3 SD CARD
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Specification Comparison
| Spec | SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN | 128GB UHS-I U3 SD CARD |
|---|---|---|
| Brand | SanDisk | 128GB |
| Capacity | 128 GB | 128GB |
| $/GB | $0.2062 | $0.4218 |
| Price | $26.39 | $53.99 |
| 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 SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers better value at $0.2062//GB compared to the 128GB UHS-I U3 SD CARD at $0.4218//GB — that's roughly 51% less per gigabyte.
The best deal for the SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN is $26.39 at Amazon, while the 128GB UHS-I U3 SD CARD starts at $53.99 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 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN and 128GB UHS-I U3 SD CARD product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN or 128GB UHS-I U3 SD CARD a better deal?
As of September 2026, SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers better value at $0.2062//GB compared to 128GB UHS-I U3 SD CARD at $0.4218//GB. That is approximately 51% better value per gigabyte.
What is the price per GB of SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN?
The SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN is currently priced at $0.2062/GB ($26.39 for 128 GB) at Amazon.
Where can I buy 128GB UHS-I U3 SD CARD for the cheapest price?
The cheapest price for the 128GB UHS-I U3 SD CARD is $53.99 at Newegg, which works out to $0.4218/GB.