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U3 Memory Cards

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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.

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81 products found in U3 Memory Cards

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Quick View Free Delivery SanDisk Extreme Pro UHS-II 128GB SD Memory Card SDHC 300Mb/s SDSDXDK-128G-GN4IN
SanDisk Extreme Pro UHS-II 128GB SD Memory Card SDHC 300Mb/s
  • £129.77
Quick View lay 1TB MicroSD High-Speed Memory Card for Switch Portable Gaming Devices Smartphones free delivery
Lexar Play 1TB MicroSD High-Speed Memory Card for Switch/Portable Gaming Devices/Smartphones
  • £144.77
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Lexar Prtofessional Silver Plus 1TB MicroSD Memory Card
  • £189.77
Quick View A PNY EliteX-PRO60 UHS-II 512GB SDXC memory card on a plain white background. The card is black with a green banner, white text, and a white promotional sticker that reads 'Free UK Delivery' in red.
512GB EliteX-PRO60 Class 10 U3 V60 UHS-II SD Flash Memory Card
  • £189.77

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SanDisk Extreme Go 1TB MicroSD Memory Card 200MB/s
  • £196.77

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Quick View Lexar Play PRO 1TB MicroSD EX Express Memory Card for Switch / Portable Gaming Devices / Smartphones free delivery
Lexar Play PRO 1TB MicroSD EX Express Memory Card for Switch / Portable Gaming Devices / Smartphones
  • £199.77
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SanDisk Extreme Pro 1TB MicroSD Memory Card 200Mb/s
  • £229.77

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SanDisk Extreme Pro 1TB SD Memory Card SDXC 200Mb/s
  • £249.77
Quick View A SanDisk Extreme Go 2TB microSD card shown on a white background with red text at the top reading 'Free UK Delivery'. The card is red on the upper half and metallic gold on the lower half, with white SanDisk branding and technical markings including microSDXC, V30, A2, and U3.
SanDisk Extreme Go 2TB MicroSD Memory Card 250MB/s
  • £346.77