Howto samsung ssd
identify drive letter:
fdisk -l|grep Samsung -B 1 Disk /dev/nvme0n1: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: Samsung SSD 990 PRO 2TB -- Disk /dev/nvme1n1: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors Disk model: Samsung SSD 970 EVO Plus 1TB
test hard drive speeds:
hdparm -tT