As of May 2026, the cheapest 128gb sd card on BuyPerUnit costs $0.7891/GB — a 128gb Sdxc Class10 Uhs-i Card (128GB) available at Newegg for $101.01. BuyPerUnit tracks 1 128gb sd cards across Amazon, Best Buy, and Newegg, updated daily.
128gb SD Cards
1 128gb products ranked by price per gigabyte. Best value: $0.7891/GB
Products
1
Best $/GB
$0.7891
Highest $/GB
$0.7891
Ranked by:$/GB
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| Rank | Type | Trend | |||||||
|---|---|---|---|---|---|---|---|---|---|
1 | 128gb Sdxc Class10 Uhs-i Card | SD Card | 128GB | — | $101.01 | $0.789 |
1
128gb Sdxc Class10 Uhs-i Card
128gbNeweggSD Card
Capacity
128GB
Price
$101.01
$/GB
$0.789
Compare 0 products
About 128gb SD Cards
Compare all 128gb sd cards sorted by price per gigabyte. BuyPerUnit tracks 1 128gb products across multiple retailers to help you find the best storage deals. Prices range from $0.7891/GB to $0.7891/GB.