The Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black costs $0.1509/GB while the SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) costs $0.2224/GB. Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black offers 32% better value per gigabyte as of April 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, 256GB, Black vs SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) — 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, 256GB, Black | SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) |
|---|---|---|
| Brand | Amazon Basics | SanDisk |
| Capacity | 256 GB | 256GB |
| $/GB | $0.1509 | $0.2224 |
| Price | $38.64 | $56.94 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black offers better value at $0.1509//GB compared to the SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) at $0.2224//GB — that's roughly 32% less per gigabyte.
The best deal for the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black is $38.64 at Amazon, while the SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) starts at $56.94 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black and SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) 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, 256GB, Black or SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) a better deal?
As of April 2026, Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black offers better value at $0.1509//GB compared to SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) at $0.2224//GB. That is approximately 32% 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, 256GB, Black?
The Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black is currently priced at $0.1509/GB ($38.64 for 256 GB) at Amazon.
Where can I buy SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) for the cheapest price?
The cheapest price for the SanDisk 256GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-256G-GN6IN) is $56.94 at Newegg, which works out to $0.2224/GB.