128gb vs Amazon Basics SD Cards
Side-by-side price per gigabyte comparison across 5 products.
As of March 2026, 128gb averages $0.7891/GB across 1 products while Amazon Basics averages $0.1839/GB across 4 products on BuyPerUnit. Amazon Basics offers 77% better value per gigabyte for sd cards.
128gb
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
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | 128gb | 128gb Sdxc Class10 Uhs-i Card | 128GB | $0.7891 | $101.01 | newegg |
| 1 | Amazon Basics | Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black | 128 GB | $0.1555 | $19.91 | amazon |
| 2 | Amazon Basics | Amazon Basics 1TB microSDXC Card with Adapter for Smartphones, Full HD, Tablets, Drones, Action Cameras, Read Speed Up to 200MB/s, 1-Pack | 1 TB | $0.1805 | $180.50 | amazon |
| 3 | Amazon Basics | Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black | 256 GB | $0.1966 | $50.33 | amazon |
| 4 | Amazon Basics | Amazon Basics 128GB microSDXC Memory Card with Adapter for Smartphones, Drones, Cameras, Full HD, Read Speed Up to 200MB/s, 1-Pack | 128 GB | $0.2030 | $25.99 | amazon |
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 128gb's $0.7891/GB — that's roughly 77% 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 128gb's cheapest option is the 128gb Sdxc Class10 Uhs-i Card (128GB) at $0.7891/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 128gb or Amazon Basics cheaper per GB for sd cards?
As of March 2026, Amazon Basics averages $0.1839/GB compared to 128gb at $0.7891/GB. Amazon Basics is approximately 77% cheaper per gigabyte on average.
How many 128gb and Amazon Basics sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 128gb products and 4 Amazon Basics products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest 128gb sd card per GB?
The cheapest 128gb option is the 128gb Sdxc Class10 Uhs-i Card at $0.7891/GB ($101.01 for 128GB).
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).