The Samsung - Pro Ultimate 512GB SDXC Memory Card costs $0.1465/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. Samsung - Pro Ultimate 512GB SDXC Memory Card offers 25% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Samsung - Pro Ultimate 512GB SDXC Memory Card 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?
Samsung - Pro Ultimate 512GB SDXC Memory Card
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Specification Comparison
| Spec | Samsung - Pro Ultimate 512GB SDXC Memory Card | SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter |
|---|---|---|
| Brand | Samsung | SanDisk |
| Capacity | 512 GB | 512GB |
| $/GB | $0.1465 | $0.1952 |
| Price | $74.99 | $99.95 |
| Retailer | Best Buy | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Samsung - Pro Ultimate 512GB SDXC Memory Card offers better value at $0.1465//GB compared to the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter at $0.1952//GB — that's roughly 25% less per gigabyte.
The best deal for the Samsung - Pro Ultimate 512GB SDXC Memory Card is $74.99 at Best Buy, while the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter starts at $99.95 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Samsung - Pro Ultimate 512GB SDXC Memory Card 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 Samsung - Pro Ultimate 512GB SDXC Memory Card 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, Samsung - Pro Ultimate 512GB SDXC Memory Card offers better value at $0.1465//GB compared to SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter at $0.1952//GB. That is approximately 25% better value per gigabyte.
What is the price per GB of Samsung - Pro Ultimate 512GB SDXC Memory Card?
The Samsung - Pro Ultimate 512GB SDXC Memory Card is currently priced at $0.1465/GB ($74.99 for 512 GB) at Best Buy.
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.