Attached are some Windows images copied to and from the SD card installed in this reader. 184MB/s image copy and WRITE of 20.9GB RAW and JPG photo files from a PCIe 4.0 SSD to a 128GB Lexar Gold SD card at 260MB/s write speed installed in a dual ProGrade card reader digital. The card reader connects to a USB port, which offers much faster speeds. Image at 261MB/s represents READING and copying 20.9GB RAW and JPG photo files from a 128GB Lexar Gold SD card at 300MB/s read (installed). in a dual ProGrade Digital card reader to a PCIe 4.0 SSD. The card reader connects to a USB port, which offers much faster speeds (maximum throughput of up to 2.9 GB/s in real-world testing). It would be interesting to see what kind of speed someone gets with one of the really fast CFexpress cards like the CF Type-C that we're seeing in the latest high-end cameras.
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