The Delkin Devices POWER 4.0 512GB CFexpress Type-B Memory Card costs $0.7812/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 75% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Delkin Devices POWER 4.0 512GB CFexpress Type-B 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?
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Specification Comparison
| Spec | Delkin Devices POWER 4.0 512GB CFexpress Type-B Memory Card | SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter |
|---|---|---|
| Brand | Delkin | SanDisk |
| Capacity | 512GB | 512GB |
| $/GB | $0.7812 | $0.1952 |
| Price | $399.99 | $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 Delkin Devices POWER 4.0 512GB CFexpress Type-B Memory Card at $0.7812//GB — that's roughly 75% 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 Delkin Devices POWER 4.0 512GB CFexpress Type-B Memory Card starts at $399.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Delkin Devices POWER 4.0 512GB CFexpress Type-B 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 Delkin Devices POWER 4.0 512GB CFexpress Type-B 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, 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 Delkin Devices POWER 4.0 512GB CFexpress Type-B Memory Card at $0.7812//GB. That is approximately 75% better value per gigabyte.
What is the price per GB of Delkin Devices POWER 4.0 512GB CFexpress Type-B Memory Card?
The Delkin Devices POWER 4.0 512GB CFexpress Type-B Memory Card is currently priced at $0.7812/GB ($399.99 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.