The SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB costs $0.8031/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 82% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB vs 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 — Which Is Better Value?
Specification Comparison
| Spec | SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB | 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 |
|---|---|---|
| Brand | SanDisk | Transcend |
| Capacity | 512GB | 512GB |
| $/GB | $0.8031 | $0.1426 |
| Price | $411.19 | $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 SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB at $0.8031//GB — that's roughly 82% 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 SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB starts at $411.19 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 SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB 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 SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB 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 SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB at $0.8031//GB. That is approximately 82% better value per gigabyte.
What is the price per GB of SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB?
The SanDisk SDXC Extreme PRO 280MB/s UHS-II Flash Memory Card 512GB is currently priced at $0.8031/GB ($411.19 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.