The SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN costs $0.2068/GB while the SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 costs $0.9141/GB. SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers 77% better value per gigabyte as of August 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 SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN | SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 128 GB | 64GB |
| $/GB | $0.2068 | $0.9141 |
| Price | $26.47 | $58.50 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-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 $0.2068//GB compared to the SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 at $0.9141//GB — that's roughly 77% 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 $26.47 at Amazon, while the SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 starts at $58.50 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 SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 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 SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 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 $0.2068//GB compared to SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 at $0.9141//GB. That is approximately 77% 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 $0.2068/GB ($26.47 for 128 GB) at Amazon.
Where can I buy SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 for the cheapest price?
The cheapest price for the SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s - Pack of 2 is $58.50 at Newegg, which works out to $0.9141/GB.