Home > Micro SD Memory Cards > Lexar 256GB Professional 1066x micro SD Card w/ SD Adapter, UHS-I, U3, V30, A2, Full HD, 4K, Up to 160/120 MB/s, for Action Cameras, Drones, Smartphones, Tablets, Nintendo-Switch (LMS1066256G-BNANU) ; Visit the Lexar Store

Lexar Professional 1066x 256GB MicroSDXC UHS-I Card

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52,184 reviews covering 55 products for the category Micro SD Memory Cards

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About Lexar Professional 1066x 256GB MicroSDXC UHS-I Card
95% appreciated the wide compatibility, though 5% had issues
I purchased this micro SD card as a secondary card for my Canon 5D Mark IV DSLR camera and it works well when I shoot 4K B rolls.
This microSD card works as expected and meets my need for secure continuous clear recording of events.
I tested the micro-SD memory cards using a Lexar 2-in-1 USB3.1 reader and found them to be underperforming.
87% found it helpful to secure data, however 13% didn't
I did not mention anything about the data security of micro-SD memory cards.
I discovered that the memory card was fake after peeling off the label and finding that it was reprogrammed to show 128 GB of memory instead of its actual 4 GB capacity. Most people would not realize it's fake until they fill up the 4 GB storage and lose all their information beyond that point.
93% liked the read and write speeds, while 7% didn't like
I have tested this card under various conditions and could never achieve more than 98MB/s read and 78MB/s write.
My memory card's read speed is 54Mbs but the write speed is only 5Mbs, which is well under the advertised speed.
The read rate is about 80 MB/s, which falls short of the UHS-I limit of ~95 MB/s.
88% appreciated the security features, but 12% found them insufficient
When the micro SD card is loose and needs storage and protection, it can be problematic due to the lack of a case.
90% praised the storage capacity, while 10% found it limited
I purchased this micro SD card because it has the highest capacity (512 GB) among cards recommended for the Osmo Pocket 3 by DJI.
I discovered that the memory card was fake and not actually 128 GB as advertised. It was a 4 GB card that was reprogrammed, which could cause data loss and corruption when the storage space was full.

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