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 Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 costs $0.1562/GB. Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 offers 33% 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 120MB/s (SDSDUN4-512G-GN6IN) vs Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN) | Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 |
|---|---|---|
| Brand | SanDisk | Lexar |
| Capacity | 512GB | 512 GB |
| $/GB | $0.2334 | $0.1562 |
| Price | $119.50 | $79.99 |
| Retailer | Newegg | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 offers better value at $0.1562//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 33% less per gigabyte.
The best deal for the Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 is $79.99 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 Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 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 Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 a better deal?
As of August 2026, Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 offers better value at $0.1562//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 33% 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 Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 for the cheapest price?
The cheapest price for the Lexar 512GB Play Blue Micro SD Card, 160MB/s Read, 4K, V30, UHS-I, A2 is $79.99 at Amazon, which works out to $0.1562/GB.