Updated August 2026
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Gigastone

Gigastone 128GB 4K Camera Pro microSDXC

The five-year warranty includes free data recovery, which is unusual at this price and genuinely useful for footage you cannot reshoot.

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Pros

  • Five-year limited warranty bundles free data recovery
  • V30 and U3 rated, verified for 4K recording
  • A2 grade helps if the card doubles as phone or Switch storage
  • Explicitly tested against GoPro, DJI and Nintendo Switch

Cons

  • 50MB/s write speed is a third of the SanDisk Extreme's
  • 100MB/s read makes offloading large cards slow
  • Less headroom for high-frame-rate 4K than the top two picks

Specs

  • Capacity: 128GB
  • Read speed: up to 100MB/s
  • Write speed: up to 50MB/s
  • Speed class: UHS-I, U3, V30, A2, C10
  • Warranty: 5-year limited with data recovery
Why we recommend this

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