The SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) costs $0.1660/GB while the SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN costs $1.3781/GB. SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) offers 88% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) vs SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN — Which Is Better Value?
Specification Comparison
| Spec | SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) | SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 256GB | 256GB |
| $/GB | $0.1660 | $1.3781 |
| Price | $42.50 | $352.80 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) offers better value at $0.1660//GB compared to the SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN at $1.3781//GB — that's roughly 88% less per gigabyte.
The best deal for the SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) is $42.50 at Newegg, while the SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN starts at $352.80 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 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) and SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) or SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN a better deal?
As of May 2026, SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) offers better value at $0.1660//GB compared to SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN at $1.3781//GB. That is approximately 88% better value per gigabyte.
What is the price per GB of SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA)?
The SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) is currently priced at $0.1660/GB ($42.50 for 256GB) at Newegg.
Where can I buy SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN for the cheapest price?
The cheapest price for the SanDisk Extreme PRO 256GB SDXC UHS-II Card - Up to 300MB/s Read and 300MB/s Write speeds - V90, 8K - SDSDXDM-256G-GN4IN is $352.80 at Newegg, which works out to $1.3781/GB.