The 256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 costs $0.4746/GB while the Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black costs $0.1000/GB. Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black offers 79% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 vs Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black — Which Is Better Value?
Specification Comparison
| Spec | 256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 | Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black |
|---|---|---|
| Brand | ADATA | Crucial |
| Capacity | 256GB | 1 TB |
| $/GB | $0.4746 | $0.1000 |
| Price | $121.49 | $99.99 |
| Retailer | Newegg | Best Buy |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black offers better value at $0.1000//GB compared to the 256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 at $0.4746//GB — that's roughly 79% less per gigabyte.
The best deal for the Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black is $99.99 at Best Buy, while the 256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 starts at $121.49 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 AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 and Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is 256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 or Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black a better deal?
As of May 2026, Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black offers better value at $0.1000//GB compared to 256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 at $0.4746//GB. That is approximately 79% better value per gigabyte.
What is the price per GB of 256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0?
The 256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 is currently priced at $0.4746/GB ($121.49 for 256GB) at Newegg.
Where can I buy Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black for the cheapest price?
The cheapest price for the Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black is $99.99 at Best Buy, which works out to $0.1000/GB.