Asus PRIME B450M-A mobo (6 sata ports)
32GB of DDR4 2666MHZ
Ryzen 5 3600
MSI Nvidia 1080 Ti 11GB
500GB SATA boot drive
4 WD Red 10TB Raidz2
Cooler Master MasterBox Q300L Micro-ATX Case
Drives are separated by plastic shims and thick 3M tape which I'm hoping will reduce the vibration between them. And since I ran out of room I have one standing vertical.
Two fans in the front and one in the back. Drive temps stay below 40C