The SanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT) costs $0.2343/GB while the Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones costs $0.1600/GB. Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones offers 32% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

SanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT) vs Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones — Which Is Better Value?

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Specification Comparison

SpecSanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT)Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones
BrandSanDiskSP Silicon Power
Capacity256GB256 GB
$/GB$0.2343$0.1600
Price$59.99$40.97
RetailerNeweggAmazon
CategorySD CardsSD Cards
Subcategorymicro-sdmicro-sd

Price Across Retailers

SanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT)

Newegg$0.2343//GB
$59.99Buy
Newegg$0.3125//GB
$79.99Buy

Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones

Amazon$0.1600//GB
$40.97Buy

Which Should You Buy?

Based on current pricing data, the Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones offers better value at $0.1600//GB compared to the SanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT) at $0.2343//GB — that's roughly 32% less per gigabyte.

The best deal for the Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones is $40.97 at Amazon, while the SanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT) starts at $59.99 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 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT) and Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones product page for detailed specifications and price history.

Frequently Asked Questions

Is SanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT) or Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones a better deal?

As of August 2026, Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones offers better value at $0.1600//GB compared to SanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT) at $0.2343//GB. That is approximately 32% better value per gigabyte.

What is the price per GB of SanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT)?

The SanDisk 256GB (128GB x 2) Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 140MB/s (SDSQUAB-128G-GN6MT) is currently priced at $0.2343/GB ($59.99 for 256GB) at Newegg.

Where can I buy Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones for the cheapest price?

The cheapest price for the Silicon Power 256GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card with Adapter for Nintendo-Switch, Cams and Drones is $40.97 at Amazon, which works out to $0.1600/GB.

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