4ch vs Sewer 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 Sewer averages $33.9288/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
Sewer
Cheapest Product
Sewer Camera with 512Hz Locator,100 ft/30 m, 7' Pipeline Inspection Camera with DVR Function, IP68 Camera with 12 Adjustable LEDs, A 16 GB SD Card...16GB · $542.86 · 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 | Sewer | Sewer Camera with 512Hz Locator,100 ft/30 m, 7' Pipeline Inspection Camera with DVR Function, IP68 Camera with 12 Adjustable LEDs, A 16 GB SD Card... | 16GB | $33.9288 | $542.86 | 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 Sewer's $33.9288/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 Sewer's cheapest option is the Sewer Camera with 512Hz Locator,100 ft/30 m, 7' Pipeline Inspection Camera with DVR Function, IP68 Camera with 12 Adjustable LEDs, A 16 GB SD Card... (16GB) at $33.9288/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 Sewer cheaper per GB for sd cards?
As of March 2026, 4ch averages $0.1336/GB compared to Sewer at $33.9288/GB. 4ch is approximately 100% cheaper per gigabyte on average.
How many 4ch and Sewer sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 4ch products and 1 Sewer 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 Sewer sd card per GB?
The cheapest Sewer option is the Sewer Camera with 512Hz Locator,100 ft/30 m, 7' Pipeline Inspection Camera with DVR Function, IP68 Camera with 12 Adjustable LEDs, A 16 GB SD Card... at $33.9288/GB ($542.86 for 16GB).