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 while the SanDisk Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader costs $0.3711/GB. SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers 47% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter vs SanDisk Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter | SanDisk Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 512GB | 512GB |
| $/GB | $0.1952 | $0.3711 |
| Price | $99.95 | $189.98 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-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 Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader at $0.3711//GB — that's roughly 47% 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 Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader starts at $189.98 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 SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter and SanDisk Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter or SanDisk Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader a better deal?
As of September 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 Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader at $0.3711//GB. That is approximately 47% better value per gigabyte.
What is the price per GB of SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter?
The SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter is currently priced at $0.1952/GB ($99.95 for 512GB) at Newegg.
Where can I buy SanDisk Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader for the cheapest price?
The cheapest price for the SanDisk Extreme UHS-I U3 microSDXC Memory Card - 512GB, With Reader is $189.98 at Newegg, which works out to $0.3711/GB.