The SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN costs $0.2074/GB while the SANDISK 64GB Extreme microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA costs $0.4722/GB. SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers 56% 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 Extreme microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA — 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 Extreme microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 128 GB | 64 GB |
| $/GB | $0.2074 | $0.4722 |
| Price | $26.55 | $30.22 |
| Retailer | Amazon | Amazon |
| 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 $0.2074//GB compared to the SANDISK 64GB Extreme microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA at $0.4722//GB — that's roughly 56% 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 microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA starts at $30.22 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 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN and SANDISK 64GB Extreme microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA 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 Extreme microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA 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 microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA at $0.4722//GB. That is approximately 56% 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 $0.2074/GB ($26.55 for 128 GB) at Amazon.
Where can I buy SANDISK 64GB Extreme microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA for the cheapest price?
The cheapest price for the SANDISK 64GB Extreme microSDXC UHS-I Memory Card with Adapter - C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAH-064G-GN6MA is $30.22 at Amazon, which works out to $0.4722/GB.