The SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) costs $0.2061/GB while the SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) costs $0.1953/GB. SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) offers 5% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) vs SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) — Which Is Better Value?
Specification Comparison
| Spec | SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) | SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 512GB | 512GB |
| $/GB | $0.2061 | $0.1953 |
| Price | $105.54 | $99.99 |
| 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 SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) offers better value at $0.1953//GB compared to the SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) at $0.2061//GB — that's roughly 5% less per gigabyte.
The best deal for the SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) is $99.99 at Newegg, while the SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) starts at $105.54 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 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) and SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) or SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) a better deal?
As of July 2026, SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) offers better value at $0.1953//GB compared to SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) at $0.2061//GB. That is approximately 5% better value per gigabyte.
What is the price per GB of SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN)?
The SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) is currently priced at $0.2061/GB ($105.54 for 512GB) at Newegg.
Where can I buy SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) for the cheapest price?
The cheapest price for the SanDisk 512GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-512G-GN6MA) is $99.99 at Newegg, which works out to $0.1953/GB.