The SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN) costs $0.2334/GB while the PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black costs $0.1758/GB. PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black offers 25% better value per gigabyte as of July 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 120MB/s (SDSDUN4-512G-GN6IN) vs PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black — Which Is Better Value?
Specification Comparison
| Spec | SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN) | PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black |
|---|---|---|
| Brand | SanDisk | PNY |
| Capacity | 512GB | 512 GB |
| $/GB | $0.2334 | $0.1758 |
| Price | $119.50 | $89.99 |
| Retailer | Newegg | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | sd | N/A |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black offers better value at $0.1758//GB compared to the SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN) at $0.2334//GB — that's roughly 25% less per gigabyte.
The best deal for the PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black is $89.99 at Amazon, while the SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN) starts at $119.50 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 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN) and PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black 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 120MB/s (SDSDUN4-512G-GN6IN) or PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black a better deal?
As of July 2026, PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black offers better value at $0.1758//GB compared to SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN) at $0.2334//GB. That is approximately 25% better value per gigabyte.
What is the price per GB of SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN)?
The SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN) is currently priced at $0.2334/GB ($119.50 for 512GB) at Newegg.
Where can I buy PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black for the cheapest price?
The cheapest price for the PNY P-SDU512V32100PX-GE 512GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card, Black is $89.99 at Amazon, which works out to $0.1758/GB.