128gb vs Sd SD Cards
Side-by-side price per gigabyte comparison across 2 products.
As of March 2026, 128gb averages $0.7891/GB across 1 products while Sd averages $0.1759/GB across 1 products on BuyPerUnit. Sd offers 78% better value per gigabyte for sd cards.
128gb
Sd
Better ValueCheapest Product
SD Memory Card To 3.5inch 40Pins Male IDE Adapter 5V SD-3.5 IDE Secure Converter Support Up To 128gb SDXD Card128GB · $22.52 · newegg
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 | Sd | SD Memory Card To 3.5inch 40Pins Male IDE Adapter 5V SD-3.5 IDE Secure Converter Support Up To 128gb SDXD Card | 128GB | $0.1759 | $22.52 | newegg |
Which Should You Buy?
Based on current pricing data, Sd offers better overall value for sd cards at an average of $0.1759/GB compared to 128gb's $0.7891/GB — that's roughly 78% less per gigabyte.
Sd's best deal is the SD Memory Card To 3.5inch 40Pins Male IDE Adapter 5V SD-3.5 IDE Secure Converter Support Up To 128gb SDXD Card (128GB) at $0.1759/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 Sd cheaper per GB for sd cards?
As of March 2026, Sd averages $0.1759/GB compared to 128gb at $0.7891/GB. Sd is approximately 78% cheaper per gigabyte on average.
How many 128gb and Sd sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 128gb products and 1 Sd 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 Sd sd card per GB?
The cheapest Sd option is the SD Memory Card To 3.5inch 40Pins Male IDE Adapter 5V SD-3.5 IDE Secure Converter Support Up To 128gb SDXD Card at $0.1759/GB ($22.52 for 128GB).