SanDisk Ultra UHS-I cards(4) are water-proof, temperature-proof, X-ray proof, and shockproof(3). SanDisk Ultra SDHC UHS-I card and SDXC UHS-I card. Quick transfer speeds up to 100MB/s | Up to 100MB/s[64GB-256GB; 90MB/s for 32GB] read speed; write speed lower Based on internal testing; performance may be lower depending on host device, usage conditions, and other factors 1MB=1,000,000 bytes.
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