Amazon Basics vs Unirex SD Cards
Side-by-side price per gigabyte comparison across 10 products.
As of March 2026, Amazon Basics averages $0.1839/GB across 4 products while Unirex averages $0.4149/GB across 6 products on BuyPerUnit. Amazon Basics offers 56% better value per gigabyte for sd cards.
Amazon Basics
Better ValueCheapest Product
Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black128 GB · $19.91 · amazon
Unirex
Top Products Compared
Which Should You Buy?
Based on current pricing data, Amazon Basics offers better overall value for sd cards at an average of $0.1839/GB compared to Unirex's $0.4149/GB — that's roughly 56% less per gigabyte.
Amazon Basics's best deal is the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black (128 GB) at $0.1555/GB, while Unirex's cheapest option is the Unirex UMS645MUHS1 64GB microSDHC Card (64GB) at $0.1873/GB.
However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.
Frequently Asked Questions
Is Amazon Basics or Unirex cheaper per GB for sd cards?
As of March 2026, Amazon Basics averages $0.1839/GB compared to Unirex at $0.4149/GB. Amazon Basics is approximately 56% cheaper per gigabyte on average.
How many Amazon Basics and Unirex sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 4 Amazon Basics products and 6 Unirex products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest Amazon Basics sd card per GB?
The cheapest Amazon Basics option is the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black at $0.1555/GB ($19.91 for 128 GB).
What is the cheapest Unirex sd card per GB?
The cheapest Unirex option is the Unirex UMS645MUHS1 64GB microSDHC Card at $0.1873/GB ($11.99 for 64GB).