The 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 costs $0.1562/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. 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 offers 83% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 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 | 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 | 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 | Ediloca | OWC |
| Capacity | 256 GB | 240GB |
| $/GB | $0.1562 | $0.9083 |
| Price | $39.99 | $217.99 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | N/A | sd |
Price Across Retailers
256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2
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 Should You Buy?
Based on current pricing data, the 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 offers better value at $0.1562//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 83% less per gigabyte.
The best deal for the 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 is $39.99 at Amazon, 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 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 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 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 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, 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 offers better value at $0.1562//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 83% better value per gigabyte.
What is the price per GB of 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2?
The 256GB SD Card UHS-I Memory Card Fast Storage, Read Speed 100MB/s, Write Speed 90MB/s, C10, U3, V30, Full-HD & 4K Video, SD Card 256GB, Must-Have for Professional Photographers-EF2 is currently priced at $0.1562/GB ($39.99 for 256 GB) at Amazon.
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.