As of May 2026, the cheapest 4ch sd card on BuyPerUnit costs $0.1336/GB — a 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck (512GB) available at Newegg for $68.42. BuyPerUnit tracks 1 4ch sd cards across Amazon, Best Buy, and Newegg, updated daily.
4ch SD Cards
1 4ch products ranked by price per gigabyte. Best value: $0.1336/GB
Products
1
Best $/GB
$0.1336
Highest $/GB
$0.1336
Ranked by:$/GB
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| Rank | Type | Trend | |||||||
|---|---|---|---|---|---|---|---|---|---|
1 | 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck | SD Card | 512GB | — | $68.42 | $0.134 |
1
4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck
4CHNeweggSD Card
Capacity
512GB
Price
$68.42
$/GB
$0.134
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About 4ch SD Cards
Compare all 4ch sd cards sorted by price per gigabyte. BuyPerUnit tracks 1 4ch products across multiple retailers to help you find the best storage deals. Prices range from $0.1336/GB to $0.1336/GB.