Requesting help to know RANK (single/dual) of my installed memory

Thanks @linuxlover
I tried lshw -short -C memory

yields this

[root@galileo nmp]# lshw -short -C memory

H/W path Device Class Description
/0/0 memory 64KiB BIOS
/0/46 memory 16GiB System Memory
/0/46/0 memory [empty]
/0/46/1 memory [empty]
/0/46/2 memory [empty]
/0/46/3 memory 16GiB DIMM DDR4 Synchronous 2667 MHz (0.4 ns)
/0/56 memory 288KiB L1 cache
/0/57 memory 192KiB L1 cache
/0/58 memory 3MiB L2 cache
/0/59 memory 12MiB L3 cache
/0/100/14.2 memory RAM memory