As of October 2026, the cheapest ADATA sd card on BuyPerUnit costs $0.1953/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 $49.99. BuyPerUnit tracks 6 ADATA sd cards across Amazon, Best Buy, and Newegg, updated daily.

ADATA SD Cards

6 ADATA products ranked by price per gigabyte. Best value: $0.1953/GB

Products

6

Best $/GB

$0.1953

Highest $/GB

$0.7893

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

$49.99

$/GB

$0.195

Check Price at Newegg ↗
2

ADATA 512GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX512GUI3V30SA2-RA1)

ADATANeweggmicroSD

Capacity

512GB

Price

$125.63

$/GB

$0.245

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

$34.46

$/GB

$0.269

Check Price at Newegg ↗
4

ADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card

ADATANeweggSD Card

Capacity

64GB

Price

$19.61

$/GB

$0.306

Check Price at Newegg ↗
5

512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0

ADATANeweggSD Card

Capacity

512GB

Price

$182.38

$/GB

$0.356

Check Price at Newegg ↗
6

ADATA Premier ONE 256GB Secure Digital Extended Capacity (SDXC) Flash Card Model ASDX256GUII3CL10-C

ADATANeweggSD Card

Capacity

256GB

Price

$202.05

$/GB

$0.789

Check Price at Newegg ↗
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About ADATA SD Cards

Compare all ADATA sd cards sorted by price per gigabyte. BuyPerUnit tracks 6 ADATA products across multiple retailers to help you find the best storage deals. Prices range from $0.1953/GB to $0.7893/GB.

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