128gb vs 4ch 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 4ch averages $0.1336/GB across 1 products on BuyPerUnit. 4ch offers 83% better value per gigabyte for sd cards.
128gb
4ch
Better ValueCheapest Product
4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck512GB · $68.42 · 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 | 4ch | 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck | 512GB | $0.1336 | $68.42 | newegg |
Which Should You Buy?
Based on current pricing data, 4ch offers better overall value for sd cards at an average of $0.1336/GB compared to 128gb's $0.7891/GB — that's roughly 83% less per gigabyte.
4ch's best deal is the 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck (512GB) at $0.1336/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 4ch cheaper per GB for sd cards?
As of March 2026, 4ch averages $0.1336/GB compared to 128gb at $0.7891/GB. 4ch is approximately 83% cheaper per gigabyte on average.
How many 128gb and 4ch sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 128gb products and 1 4ch 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 4ch sd card per GB?
The cheapest 4ch option is the 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck at $0.1336/GB ($68.42 for 512GB).