The SanDisk 256GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN) costs $0.2730/GB while the ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) costs $0.1836/GB. ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) offers 33% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk 256GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN) vs ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk 256GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN) | ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) |
|---|---|---|
| Brand | SanDisk | ADATA |
| Capacity | 256GB | 256GB |
| $/GB | $0.2730 | $0.1836 |
| Price | $69.90 | $46.99 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) offers better value at $0.1836//GB compared to the SanDisk 256GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN) at $0.2730//GB — that's roughly 33% less per gigabyte.
The best deal for the ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) is $46.99 at Newegg, while the SanDisk 256GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN) starts at $69.90 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 SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN) and ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk 256GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN) or ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) a better deal?
As of September 2026, ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) offers better value at $0.1836//GB compared to SanDisk 256GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN) at $0.2730//GB. That is approximately 33% better value per gigabyte.
What is the price per GB of SanDisk 256GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN)?
The SanDisk 256GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-256G-GN6IN) is currently priced at $0.2730/GB ($69.90 for 256GB) at Newegg.
Where can I buy ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) for the cheapest price?
The cheapest price for the ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) is $46.99 at Newegg, which works out to $0.1836/GB.