Drive Sandisk Corp WD Black SN850 2TB hdparm -t /dev/nvme0n1 Timing buffered disk reads: 2730 MB in 3.01 seconds = 905.83 MB/sec Drive Sandisk Corp WD Blue SN550 NVMe SSD 1TB hdparm -t /dev/nvme1n1 Timing buffered disk reads: 4730 MB in 3.00 seconds = 1576.56 MB/sec Drive Realtek Semiconductor Corp. USB3.0-CRW 129GB hdparm -t /dev/sda Timing buffered disk reads: 216 MB in 3.00 seconds = 71.93 MB/sec