I updated my EsbressoBin with flash-image-1g-2cs-1000_800_boot_sd_and_usb.bin from https://dl.armbian.com/espressobin/u-boot/ (with flash-image-1g-2cs-1200_750_boot_sd_and_usb.bin I got ext4 errors).     Quick sbc-bench test revealed that the CPU cores aren't running at 1 GHz but just 800 MHz and that thermal readouts are broken: http://ix.io/1kt2    Storage performance test with a SATA connected EVO 840 and performance governor while running at 800 MHz: