The SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) costs $0.2805/GB while the SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN costs $0.1412/GB. SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN offers 50% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) vs SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN — Which Is Better Value?
Specification Comparison
| Spec | SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) | SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 128GB | 128 GB |
| $/GB | $0.2805 | $0.1412 |
| Price | $35.90 | $18.07 |
| 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 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN offers better value at $0.1412//GB compared to the SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) at $0.2805//GB — that's roughly 50% less per gigabyte.
The best deal for the SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN is $18.07 at Amazon, while the SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) starts at $35.90 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) and SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) or SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN a better deal?
As of April 2026, SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN offers better value at $0.1412//GB compared to SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) at $0.2805//GB. That is approximately 50% better value per gigabyte.
What is the price per GB of SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN)?
The SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) is currently priced at $0.2805/GB ($35.90 for 128GB) at Newegg.
Where can I buy SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN for the cheapest price?
The cheapest price for the SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN is $18.07 at Amazon, which works out to $0.1412/GB.