Facebook's entire blob storage and data warehouse (multi-exabyte) is run completely on OCP storage hardware built by ODMs, of which Quanta is included. Anyone telling you that we don't use OCP is grossly misinformed.
Source: I was on the blob storage team when we migrated all of our data from OCP's gen1 storage design [1] to the new gen2 storage design [2].
More OCP hardware (or designs that will eventually be contributed to OCP), in many different SKUs depending on use case. This page lists most of the current-gen hardware that I am aware of:
Source: I was on the blob storage team when we migrated all of our data from OCP's gen1 storage design [1] to the new gen2 storage design [2].
1: https://www.opencompute.org/documents/facebook-open-vault-st...
2: https://www.opencompute.org/documents/facebook-bryce-canyon-...
edit: corrected links.