The SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) costs $0.2042/GB while the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter costs $0.1952/GB. SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers 4% better value per gigabyte as of August 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 SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter — 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 SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 512GB | 512GB |
| $/GB | $0.2042 | $0.1952 |
| Price | $104.54 | $99.95 |
| 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 SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers better value at $0.1952//GB compared to the SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) at $0.2042//GB — that's roughly 4% less per gigabyte.
The best deal for the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter is $99.95 at Newegg, while the SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) starts at $104.54 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 SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter 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 SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter a better deal?
As of August 2026, SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers better value at $0.1952//GB compared to SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) at $0.2042//GB. That is approximately 4% 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 $0.2042/GB ($104.54 for 512GB) at Newegg.
Where can I buy SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter for the cheapest price?
The cheapest price for the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter is $99.95 at Newegg, which works out to $0.1952/GB.