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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.

57 products found in U3 Memory Cards

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SanDisk Extreme Pro UHS-II 32GB SD Memory Card SDHC 300Mb/s
  • £39.77
SanDisk Outdoors 4K 512GB MicroSD Memory Card
  • £41.77

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SanDisk MAX Endurance 256GB MicroSD Memory Card
  • £43.77

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SanDisk Extreme Pro 512GB MicroSD Memory Card 200Mb/s
  • £43.77
SanDisk Extreme 512GB MicroSD Memory Card 190MB/s
  • £44.77

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SanDisk Extreme Pro 512GB SD Memory Card SDXC 200Mb/s
  • £62.77
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