The 512GB SanDisk Ultra PLUS microSD UHS-I Card costs $0.3125/GB while the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter costs $0.1952/GB. SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers 38% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

512GB SanDisk Ultra PLUS microSD UHS-I Card vs SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter — Which Is Better Value?

Best Price$159.99
RetailerBest Buy
$/GB$0.3125
Rating4.9 (26 reviews)
Buy at Best Buy — $159.99

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Specification Comparison

Spec512GB SanDisk Ultra PLUS microSD UHS-I CardSanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter
BrandSanDiskSanDisk
Capacity512 GB512GB
$/GB$0.3125$0.1952
Price$159.99$99.95
RetailerBest BuyNewegg
CategorySD CardsSD Cards
Subcategorymicro-sdmicro-sd

Price Across Retailers

512GB SanDisk Ultra PLUS microSD UHS-I Card

Best Buy$0.3125//GB
$159.99Buy

SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter

Newegg$0.1952//GB
$99.95Buy

Which Should You Buy?

Based on current pricing data, the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers better value at $0.1952//GB compared to the 512GB SanDisk Ultra PLUS microSD UHS-I Card at $0.3125//GB — that's roughly 38% less per gigabyte.

The best deal for the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter is $99.95 at Newegg, while the 512GB SanDisk Ultra PLUS microSD UHS-I Card starts at $159.99 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 512GB SanDisk Ultra PLUS microSD UHS-I Card and SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter product page for detailed specifications and price history.

Frequently Asked Questions

Is 512GB SanDisk Ultra PLUS microSD UHS-I Card or SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter a better deal?

As of August 2026, SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers better value at $0.1952//GB compared to 512GB SanDisk Ultra PLUS microSD UHS-I Card at $0.3125//GB. That is approximately 38% better value per gigabyte.

What is the price per GB of 512GB SanDisk Ultra PLUS microSD UHS-I Card?

The 512GB SanDisk Ultra PLUS microSD UHS-I Card is currently priced at $0.3125/GB ($159.99 for 512 GB) at Best Buy.

Where can I buy SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter for the cheapest price?

The cheapest price for the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter is $99.95 at Newegg, which works out to $0.1952/GB.

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