The Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter costs $0.1757/GB while the OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 costs $0.9083/GB. Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter offers 81% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter vs OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 — Which Is Better Value?
Specification Comparison
| Spec | Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter | OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 |
|---|---|---|
| Brand | SanDisk | OWC |
| Capacity | 256GB | 240GB |
| $/GB | $0.1757 | $0.9083 |
| Price | $44.99 | $217.99 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter offers better value at $0.1757//GB compared to the OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 at $0.9083//GB — that's roughly 81% less per gigabyte.
The best deal for the Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter is $44.99 at Newegg, while the OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 starts at $217.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter and OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 product page for detailed specifications and price history.
Frequently Asked Questions
Is Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter or OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 a better deal?
As of May 2026, Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter offers better value at $0.1757//GB compared to OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 at $0.9083//GB. That is approximately 81% better value per gigabyte.
What is the price per GB of Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter?
The Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter is currently priced at $0.1757/GB ($44.99 for 256GB) at Newegg.
Where can I buy OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 for the cheapest price?
The cheapest price for the OWC Atlas Pro 240GB CFexpress 4.0 Type A Memory Card - Read (Max): Up to 1850 MB/s - Write (Max): Up to 1700 MB/s - OWCCFXA4P00240 is $217.99 at Newegg, which works out to $0.9083/GB.