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expiredatari posted Mar 29, 2023 03:18 PM
expiredatari posted Mar 29, 2023 03:18 PM

SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-512G-GN6MA $47.99

$48

$109

55% off
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SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-512G-GN6MA

https://www.amazon.com/gp/product...0DER&psc=1
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SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-512G-GN6MA

https://www.amazon.com/gp/product...0DER&psc=1

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Model: SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-512G-GN6MA

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04/22/25Amazon$42 frontpage
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Sort: Lowest to Highest | Last Updated 8/2/2025, 10:58 AM
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Mar 30, 2023 03:49 PM
1,191 Posts
Joined Feb 2009
Mar 30, 2023 03:49 PM
az060693Mar 30, 2023 03:49 PM
1,191 Posts
PSA that these, along with the recent Samsung cards, use a proprietary extension of UHS-I to exceed UHS-I speeds. You won't get the higher speeds without a compatible card reader. If you haven't purchased one of the bundles with compatible card readers, the cheapest one I've found is the Kingston UHS-II reader (not sure if the microSD version applies as I have not used it): https://www.amazon.com/Kingston-M...085P4Y1F1/

Any UHS-I card exceeding the UHS-I limit of 104 MB/s is using that extension. Accordingly, that will be the transfer rate limit if you do not use a compatible card reader (hence some of the angry reviews).
Last edited by az060693 March 30, 2023 at 08:52 AM.

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