4ch vs Digital 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 Digital averages $51.3713/GB across 1 products on BuyPerUnit. 4ch offers 100% 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
Digital
Cheapest Product
Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 108GB · $410.97 · 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 | Digital | Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 | 8GB | $51.3713 | $410.97 | 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 Digital's $51.3713/GB — that's roughly 100% 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 Digital's cheapest option is the Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 (8GB) at $51.3713/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 Digital cheaper per GB for sd cards?
As of March 2026, 4ch averages $0.1336/GB compared to Digital at $51.3713/GB. 4ch is approximately 100% cheaper per gigabyte on average.
How many 4ch and Digital sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 4ch products and 1 Digital 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 Digital sd card per GB?
The cheapest Digital option is the Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 at $51.3713/GB ($410.97 for 8GB).