4ch vs Sd SD Cards
Side-by-side price per gigabyte comparison across 2 products.
As of March 2026, 4ch averages $0.1336/GB across 1 products while Sd averages $0.1759/GB across 1 products on BuyPerUnit. 4ch offers 24% better value per gigabyte for sd cards.
4ch
Better ValueCheapest Product
4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck512GB · $68.42 · newegg
Sd
Cheapest 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 | 4ch | 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck | 512GB | $0.1336 | $68.42 | 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, 4ch offers better overall value for sd cards at an average of $0.1336/GB compared to Sd's $0.1759/GB — that's roughly 24% 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 Sd's cheapest 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 (128GB) at $0.1759/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 4ch or Sd cheaper per GB for sd cards?
As of March 2026, 4ch averages $0.1336/GB compared to Sd at $0.1759/GB. 4ch is approximately 24% cheaper per gigabyte on average.
How many 4ch and Sd sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 4ch products and 1 Sd products in the sd cards category, all ranked by price per gigabyte.
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).
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).