Linux hardware

inxi -Fx

dmesg | grep DMI

screenfetch 
neofetch

lscpu
cat /proc/cpuinfo
dmidecode -t processor

cat /proc/meminfo
dmidecode -t memory
lshw -C memory

dmidecode -t baseboard

lsblk -fm

hdparm -I /dev/sda

lshw -class disk -class storage

lshw -class network