Looking forward to adding a 4-node RPi CM4 cluster to the homelab next year!
This thing looks like it hits the sweet spot between redundancy and price.
Turing Pi 2 is coming in 2021 as a 4 nodes mITX cluster. The V2 supports CM4 and up to 32 Gb RAM, has 2x mini PCIe, 2x SATA III, Layer-2 Managed Switch with VLAN support and more
Bitcoin Maston Instance