The SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN costs $0.1522/GB while the Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) costs $0.5702/GB. SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN offers 73% 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 Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) — 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 | Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) |
|---|---|---|
| Brand | SanDisk | Samsung |
| Capacity | 128 GB | 128 GB |
| $/GB | $0.1522 | $0.5702 |
| Price | $19.48 | $72.99 |
| Retailer | Amazon | Best Buy |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-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 $0.1522//GB compared to the Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) at $0.5702//GB — that's roughly 73% 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 $19.48 at Amazon, while the Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) starts at $72.99 at Best Buy.
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 Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) 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 Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) 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 $0.1522//GB compared to Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) at $0.5702//GB. That is approximately 73% 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 $0.1522/GB ($19.48 for 128 GB) at Amazon.
Where can I buy Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) for the cheapest price?
The cheapest price for the Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW) is $72.99 at Best Buy, which works out to $0.5702/GB.