Drive Toshiba Corporation BG3 NVMe SSD Controller 256GB hdparm -t /dev/nvme0n1 Timing buffered disk reads: 1836 MB in 3.00 seconds = 611.91 MB/sec Drive Transcend Information, Inc. JetFlash 16GB hdparm -t /dev/sda Timing buffered disk reads: 82 MB in 3.07 seconds = 26.70 MB/sec