Updated August 2026
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SanDisk

SanDisk 128GB Extreme microSD UHS-I (SDSQXAA-GN6MN)

Nearly all of the flagship card's real-world performance at a lower capacity and a friendlier price.

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Pros

  • Up to 130MB/s write speed handles 4K UHD without dropped frames
  • QuickFlow technology pushes read speeds to 190MB/s on supported readers
  • U3 and V30 rated for sustained recording
  • Shockproof, temperature-proof, waterproof and X-ray-proof

Cons

  • 128GB fills quickly at high bitrates - roughly two to three hours of 4K
  • Peak read speed requires SanDisk's own PRO-READER, sold separately
  • No adapter bundled with this variant

Specs

  • Capacity: 128GB
  • Read speed: up to 190MB/s
  • Write speed: up to 130MB/s
  • Speed class: UHS-I, U3, V30, A2
  • Model: SDSQXAA-128G-GN6MN
Why we recommend this

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