The SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN) costs $0.5147/GB while the SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN costs $0.2074/GB. SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers 60% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN) vs SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN) | SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 64GB | 128 GB |
| $/GB | $0.5147 | $0.2074 |
| Price | $32.94 | $26.55 |
| Retailer | Newegg | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-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 $0.2074//GB compared to the SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN) at $0.5147//GB — that's roughly 60% 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 $26.55 at Amazon, while the SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN) starts at $32.94 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 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN) and SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN) or SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN a better deal?
As of August 2026, SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers better value at $0.2074//GB compared to SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN) at $0.5147//GB. That is approximately 60% better value per gigabyte.
What is the price per GB of SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN)?
The SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN) is currently priced at $0.5147/GB ($32.94 for 64GB) at Newegg.
Where can I buy SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN for the cheapest price?
The cheapest price for the SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN is $26.55 at Amazon, which works out to $0.2074/GB.