The SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) costs $0.3984/GB while the SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail costs $0.2007/GB. SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail offers 50% 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 SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail — 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) | SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 64 GB | 128GB |
| $/GB | $0.3984 | $0.2007 |
| Price | $25.50 | $25.69 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN)
Which Should You Buy?
Based on current pricing data, the SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail offers better value at $0.2007//GB compared to the SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) at $0.3984//GB — that's roughly 50% less per gigabyte.
The best deal for the SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail is $25.69 at Newegg, while the SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) starts at $25.50 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 SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail 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 SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail a better deal?
As of August 2026, SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail offers better value at $0.2007//GB compared to SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) at $0.3984//GB. That is approximately 50% 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 $0.3984/GB ($25.50 for 64 GB) at Amazon.
Where can I buy SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail for the cheapest price?
The cheapest price for the SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail is $25.69 at Newegg, which works out to $0.2007/GB.