The SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN costs $0.2074/GB while the SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard costs $0.4372/GB. SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers 53% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN vs SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard — Which Is Better Value?

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Specification Comparison

SpecSanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MNSanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard
BrandSanDiskSanDisk
Capacity128 GB64GB
$/GB$0.2074$0.4372
Price$26.55$27.98
RetailerAmazonNewegg
CategorySD CardsSD Cards
Subcategorymicro-sdmicro-sd

Price Across Retailers

SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN

Amazon$0.2074//GB
$26.55Buy

SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard

Newegg$0.4372//GB
$27.98Buy
Newegg$0.4648//GB
$29.75Buy

Which Should You Buy?

Based on current pricing data, the SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers better value at $0.2074//GB compared to the SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard at $0.4372//GB — that's roughly 53% less per gigabyte.

The best deal for the SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN is $26.55 at Amazon, while the SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard starts at $27.98 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 microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN and SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard product page for detailed specifications and price history.

Frequently Asked Questions

Is SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN or SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard a better deal?

As of August 2026, SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN offers better value at $0.2074//GB compared to SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard at $0.4372//GB. That is approximately 53% better value per gigabyte.

What is the price per GB of SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN?

The SanDisk 128GB Ultra microSDXC UHS-I Class 10 Memory Card 100 MB/s SDSQUNR-128G-GN6MN is currently priced at $0.2074/GB ($26.55 for 128 GB) at Amazon.

Where can I buy SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard for the cheapest price?

The cheapest price for the SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard is $27.98 at Newegg, which works out to $0.4372/GB.

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