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UHS (Ultra-High Speed) Speed Class is denoted with the “U” symbol. U3 (UHS Speed Class 3) indicates a minimum write speed of 30MB/s. We stock a lot of different U3 rated SD and microSD memory cards from various manufacturers.

53 products found in U3 Memory Cards

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SanDisk Extreme Pro UHS-II 32GB SD Memory Card SDHC 300Mb/s
  • £39.77

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SanDisk MAX Endurance 256GB MicroSD Memory Card
  • £43.77
SanDisk Extreme Pro UHS-II 64GB SD Memory Card SDHC 300Mb/s
  • £69.77

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Kingston Industrial Grade 64GB microSD Memory Card
  • £79.77

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SanDisk Extreme Pro UHS-II 128GB SD Memory Card SDHC 300Mb/s
  • £125.77