I have a fast Lexar UHS-II card (Lexar Professional 2000x 64GB SDXC UHS-II card) and thought I could do better than USB -C to use USB-A reader included with the Lexar card. The sequential read speed was 210 MB/s. The first USB-C reader I tried was obscenely slow, only 82MB/s for [[ASIN: B07DJT5GPT uni USB Type C / Thunderbolt 3 SD Adapter]! This extreme SanDisk reader did the best I could expect from a USB-C connection, which allows for much faster speeds: 267 MB/s. Excellent work!
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