The SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN costs $0.1402/GB while the SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN costs $0.5322/GB. SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN offers 74% 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 Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN vs SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN — Which Is Better Value?
Specification Comparison
| Spec | SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN | SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 128 GB | 64GB |
| $/GB | $0.1402 | $0.5322 |
| Price | $17.95 | $34.06 |
| Retailer | Amazon | Newegg |
| 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 $0.1402//GB compared to the SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN at $0.5322//GB — that's roughly 74% 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 $17.95 at Amazon, while the SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN starts at $34.06 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 Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN and SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN product page for detailed specifications and price history.
Frequently Asked Questions
Is SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN or SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN 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 $0.1402//GB compared to SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN at $0.5322//GB. That is approximately 74% better value per gigabyte.
What is the price per GB of SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN?
The SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN is currently priced at $0.1402/GB ($17.95 for 128 GB) at Amazon.
Where can I buy SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN for the cheapest price?
The cheapest price for the SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN is $34.06 at Newegg, which works out to $0.5322/GB.