The 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 costs $0.3748/GB while the 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 costs $0.1426/GB. 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 offers 62% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 vs 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 — Which Is Better Value?
Specification Comparison
| Spec | 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 | 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 |
|---|---|---|
| Brand | ADATA | Transcend |
| Capacity | 512GB | 512GB |
| $/GB | $0.3748 | $0.1426 |
| Price | $191.91 | $72.99 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 offers better value at $0.1426//GB compared to the 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 at $0.3748//GB — that's roughly 62% less per gigabyte.
The best deal for the 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 is $72.99 at Newegg, while the 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 starts at $191.91 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 and 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 product page for detailed specifications and price history.
Frequently Asked Questions
Is 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 or 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 a better deal?
As of May 2026, 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 offers better value at $0.1426//GB compared to 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 at $0.3748//GB. That is approximately 62% better value per gigabyte.
What is the price per GB of 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0?
The 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 is currently priced at $0.3748/GB ($191.91 for 512GB) at Newegg.
Where can I buy 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 for the cheapest price?
The cheapest price for the 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 is $72.99 at Newegg, which works out to $0.1426/GB.