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 while the SanDisk Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) costs $1.2186/GB. SANDISK 128GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-128G-GN6IN offers 88% 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 Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) — 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 Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) |
|---|---|---|
| Brand | SanDisk | SanDisk |
| Capacity | 128 GB | 64 GB |
| $/GB | $0.1412 | $1.2186 |
| Price | $18.07 | $77.99 |
| Retailer | Amazon | Amazon |
| 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 $0.1412//GB compared to the SanDisk Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) at $1.2186//GB — that's roughly 88% 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 Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) starts at $77.99 at Amazon.
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 Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) 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 Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) 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 Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) at $1.2186//GB. That is approximately 88% 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 $0.1412/GB ($18.07 for 128 GB) at Amazon.
Where can I buy SanDisk Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) for the cheapest price?
The cheapest price for the SanDisk Ultra 64GB microSDXC UHS-I Card with Adapter(SDSQUAR-064G-GN6MA), 3 Pack(64GB) is $77.99 at Amazon, which works out to $1.2186/GB.