The SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) costs $0.2042/GB while the SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN costs $0.3320/GB. SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) offers 39% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) vs SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN — Which Is Better Value?
Specification Comparison
| Spec | SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) | SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 512GB | 512 GB |
| $/GB | $0.2042 | $0.3320 |
| Price | $104.54 | $169.99 |
| Retailer | Newegg | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | sd | sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) offers better value at $0.2042//GB compared to the SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN at $0.3320//GB — that's roughly 39% less per gigabyte.
The best deal for the SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) is $104.54 at Newegg, while the SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN starts at $169.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) and SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) or SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN a better deal?
As of August 2026, SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) offers better value at $0.2042//GB compared to SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN at $0.3320//GB. That is approximately 39% better value per gigabyte.
What is the price per GB of SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN)?
The SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN) is currently priced at $0.2042/GB ($104.54 for 512GB) at Newegg.
Where can I buy SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN for the cheapest price?
The cheapest price for the SANDISK 512GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-512G-GN4IN is $169.99 at Amazon, which works out to $0.3320/GB.