Drive Samsung SSD 860 1TB hdparm -t /dev/sda Timing buffered disk reads: 1516 MB in 3.00 seconds = 504.68 MB/sec Drive Samsung SSD 860 EVO 1TB hdparm -t /dev/sda,00 Drive SEAGATE ST8000NM0075 8TB hdparm -t /dev/sda,01 Drive SEAGATE ST8000NM0075 8TB hdparm -t /dev/sdb Timing buffered disk reads: 684 MB in 3.00 seconds = 227.79 MB/sec Drive Samsung SSD 860 EVO 1TB hdparm -t /dev/sdb,00 Drive SEAGATE ST8000NM0075 8TB hdparm -t /dev/sdb,01 Drive Innostor Technology Corporation IS621 SATA Storage Controller 1TB hdparm -t /dev/sdc Timing buffered disk reads: 300 MB in 3.01 seconds = 99.77 MB/sec Drive Realtek Semiconductor Corp. Card Reader hdparm -t /dev/sdd Timing buffered disk reads: Drive VendorCo ProductCode 16GB hdparm -t /dev/sde Timing buffered disk reads: 60 MB in 3.09 seconds = 19.43 MB/sec