> SD cards top off at ~45mb/s (the expensive ones), just a little over USB2 speeds No they don't. http://www.sandisk.com/products/memory-cards/sd/extremepro-s

> SD cards top off at ~45mb/s (the expensive ones), just a little over USB2 speeds No they don't. http://www.sandisk.com/products/memory-cards/sd/extremepro-sdxc-sdhc-uhs-1-95mbs/ http://www.sandisk.com/products/memory-cards/sd/extremepro-s... -- "Delivers up to 90MB/s write and 95MB/s read rate for extreme speed." > and if that's USB3 it's faster than any SD card you'll ever get. It's not, it's USB2.