The Nvme SSD to PCI-e adapters have a blue led at the top.
Which gives an interesting optical effect behind the plastic sheets from
an old, broken laptop display.
It looks like 18 x 2 = 36 leds.
18 x Optane
OS = Linux Mint 20 Mate
I built this PC to find out if I could set up a RAID 0 array out of 18 Optane 16Gb nvme SSD's.
Well, I did, but the read and write speed was not very exiting.
The best result came from a RAID 0 arrray of 11 disks:
Read: 3.2 GB/s
Write: 1.5 GB/s
Access time: 0.01 ms
Then I made a second RAID 0 array from 6 disks for more storage.
The 18:th Optane only contains the boot loader.
Build cost is $ 270 ( plus CPU which I had before, it's actually a 7500T )