Drive Samsung SSD 860 EVO M.2 500GB hdparm -t /dev/sda Timing buffered disk reads: 1588 MB in 3.00 seconds = 529.15 MB/sec Drive Seagate ST8000VN0022-2EL112 8TB hdparm -t /dev/sdb Timing buffered disk reads: 680 MB in 3.00 seconds = 226.56 MB/sec Drive WDC WDS100T2B0A-00SM50 1TB SSD hdparm -t /dev/sdc Timing buffered disk reads: 1586 MB in 3.00 seconds = 528.57 MB/sec