4ch vs Teknostone SD Cards
Side-by-side price per gigabyte comparison across 3 products.
As of March 2026, 4ch averages $0.1336/GB across 1 products while Teknostone averages $0.2448/GB across 2 products on BuyPerUnit. 4ch offers 45% 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
Teknostone
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 | Teknostone | TEKNOSTONE Basic 128GB MicroSDXC Flash Memory with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated HD Support TF Card for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) | 128 GB | $0.1997 | $25.56 | amazon |
| 2 | Teknostone | TEKNOSTONE Basic 64GB MicroSDXC Flash Memory with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated HD Support TF Card for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) | 64 GB | $0.2900 | $18.56 | amazon |
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 Teknostone's $0.2448/GB — that's roughly 45% 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 Teknostone's cheapest option is the TEKNOSTONE Basic 128GB MicroSDXC Flash Memory with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated HD Support TF Card for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) (128 GB) at $0.1997/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 Teknostone cheaper per GB for sd cards?
As of March 2026, 4ch averages $0.1336/GB compared to Teknostone at $0.2448/GB. 4ch is approximately 45% cheaper per gigabyte on average.
How many 4ch and Teknostone sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 4ch products and 2 Teknostone 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 Teknostone sd card per GB?
The cheapest Teknostone option is the TEKNOSTONE Basic 128GB MicroSDXC Flash Memory with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated HD Support TF Card for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) at $0.1997/GB ($25.56 for 128 GB).