As of September 2026, the cheapest ADATA sd card on BuyPerUnit costs $0.1836/GB — a ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) (256GB) available at Newegg for $46.99. BuyPerUnit tracks 4 ADATA sd cards across Amazon, Best Buy, and Newegg, updated daily.

ADATA SD Cards

4 ADATA products ranked by price per gigabyte. Best value: $0.1836/GB

Products

4

Best $/GB

$0.1836

Highest $/GB

$0.5309

Ranked by:$/GB
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1

ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1)

ADATANeweggmicroSD

Capacity

256GB

Price

$46.99

$/GB

$0.184

Check Price at Newegg
2

1TB AData Premier Pro microSDXC CL10 UHS-I U3 V30 A2 Memory Card with SD Adapter

ADATANeweggmicroSD

Capacity

1TB

Price

$201.94

$/GB

$0.202

Check Price at Newegg
3

128GB AData Premier Pro SDXC Memory Card UHS-I U3 CL10 V30 4K Ultra HD

ADATANeweggSD Card

Capacity

128GB

Price

$35.76

$/GB

$0.279

Check Price at Newegg
4

ADATA 32GB Premier microSDHC UHS-I / Class 10 Memory Card with SD Adapter, Speed Up to 50MB/s (AUSDH32GUICL10-RA1)

ADATANeweggmicroSD

Capacity

32GB

Price

$16.99

$/GB

$0.531

Check Price at Newegg
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About ADATA SD Cards

Compare all ADATA sd cards sorted by price per gigabyte. BuyPerUnit tracks 4 ADATA products across multiple retailers to help you find the best storage deals. Prices range from $0.1836/GB to $0.5309/GB.

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