The Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black costs $0.3340/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 $0.2009/GB. SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail offers 40% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black 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?
Specification Comparison
| Spec | Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black | SanDisk SDSQUNR-128G-GN6MN DCM 128GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail |
|---|---|---|
| Brand | Amazon Basics | SanDisk |
| Capacity | 128 GB | 128GB |
| $/GB | $0.3340 | $0.2009 |
| Price | $42.75 | $25.71 |
| 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 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 $0.2009//GB compared to the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black at $0.3340//GB — that's roughly 40% 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 $25.71 at Newegg, while the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black starts at $42.75 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black 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 Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black 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 July 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 $0.2009//GB compared to Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black at $0.3340//GB. That is approximately 40% better value per gigabyte.
What is the price per GB of Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black?
The Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black is currently priced at $0.3340/GB ($42.75 for 128 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 $25.71 at Newegg, which works out to $0.2009/GB.