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SanDisk and Samsung are the two biggest names in microSD cards, and wouldn’t you know it? Amazon is running killer deals on microSD cards from both top brands right now. You can snag a SanDisk 32GB Ultra microSDXC UHS-I Memory Card with Adapter for just $8, or bump things up to 64GB for $12. 128GB is the most popular size for microSD cards, and Samsung has the best deal at that size — just $19.99 for a Samsung 128GB 100MB/s (U3) MicroSD EVO Select Memory Card with Adapter. Double that and get a 256GB SanDisk card for $49.99, or you can go all the way up to 400GB for less than $92!

SanDisk 32GB Ultra microSDHC UHS-I Memory Card with Adapter - 98MB/s, C10, U1, Full HD, A1, Mic… List Price:$14.99 Price:$8.49 You Save:$6.50 (43%) Available from Amazon, BGR may receive a commission Buy Now
SanDisk 64GB Ultra microSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, Mi… Price:$13.37 Available from Amazon, BGR may receive a commission Buy Now
Samsung (MB-ME128GA/AM) 128GB 100MB/s (U3) MicroSDXC EVO Select Memory Card with Full-Size Adap… Price:$29.69 Available from Amazon, BGR may receive a commission Buy Now
SanDisk 256GB Ultra microSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, M… Price:$39.19 Available from Amazon, BGR may receive a commission Buy Now
SanDisk 400GB Ultra microSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, M… Price:$49.99 Available from Amazon, BGR may receive a commission Buy Now

Here’s more info from the product page:

  • Up to 400GB (1GB=1,000,000,000 bytes. Actual user storage less. ) to store even more hours of Full HD video (Approximations; results and Full HD (1920×1080) video support may vary based on host device, file attributes and other factors. )
  • Class 10 for Full HD video recording and playback (Full HD (1920×1080) video support may vary based upon host device, file attributes, and other factors. )
  • Up to 100MB/s transfer read speed (Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. ) lets you move up to 1200 photos in a minute (Based on 4. 1GB transfer of photos (avg. file 3. 5MB) with USB 3. 0 reader. Results may vary based on host device, file attributes and other factors. )
  • Load apps faster with A1-rated performance (Results may vary based on host device, app type and other factors. )
  • Ideal for Android smartphones and tablets, and MIL cameras
  • SanDisk Memory Zone app for easy file management (Download and Installation Required)
  • 10-year limited manufacturer warranty

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