The 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 costs $0.1426/GB while the SanDisk 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) costs $0.2654/GB. 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 offers 46% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 vs SanDisk 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) — Which Is Better Value?
Specification Comparison
| Spec | 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 | SanDisk 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) |
|---|---|---|
| Brand | Transcend | SanDisk |
| Capacity | 512GB | 512GB |
| $/GB | $0.1426 | $0.2654 |
| Price | $72.99 | $135.90 |
| 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 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) at $0.2654//GB — that's roughly 46% 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 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) starts at $135.90 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 Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 and SanDisk 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) product page for detailed specifications and price history.
Frequently Asked Questions
Is 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 or SanDisk 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) 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 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) at $0.2654//GB. That is approximately 46% better value per gigabyte.
What is the price per GB of 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30?
The 512GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30 is currently priced at $0.1426/GB ($72.99 for 512GB) at Newegg.
Where can I buy SanDisk 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) for the cheapest price?
The cheapest price for the SanDisk 512GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-512G-GN4IN) is $135.90 at Newegg, which works out to $0.2654/GB.