The SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN costs $0.2074/GB while the Sony - QDG120F/J 120GB XQD Memory Card costs $1.2499/GB. SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers 83% 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 Sony - QDG120F/J 120GB XQD Memory Card — Which Is Better Value?
Sony - QDG120F/J 120GB XQD Memory Card
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 | Sony - QDG120F/J 120GB XQD Memory Card |
|---|---|---|
| Brand | SanDisk | Sony |
| Capacity | 128 GB | 120 GB |
| $/GB | $0.2074 | $1.2499 |
| Price | $26.55 | $149.99 |
| Retailer | Amazon | Best Buy |
| 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 $0.2074//GB compared to the Sony - QDG120F/J 120GB XQD Memory Card at $1.2499//GB — that's roughly 83% 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 Sony - QDG120F/J 120GB XQD Memory Card starts at $149.99 at Best Buy.
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 Sony - QDG120F/J 120GB XQD Memory 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 Sony - QDG120F/J 120GB XQD Memory Card 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 Sony - QDG120F/J 120GB XQD Memory Card at $1.2499//GB. That is approximately 83% 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 Sony - QDG120F/J 120GB XQD Memory Card for the cheapest price?
The cheapest price for the Sony - QDG120F/J 120GB XQD Memory Card is $149.99 at Best Buy, which works out to $1.2499/GB.