Module is available as a DIY project only.
This Module is currently available.
Individual Buffers / Buffered multiple
Buffers provide 6 individual buffers to connect in front long cables or RackPlumber
6 Inputs are normalised so it can use as Buffered multiple (1 to 6 / 2 to 3 / 3 to 2 or any other combination)
https://pushermanproductions.com/product/rack-plumber-buffer-4hp-pcb-black-fr4-panel/
These merchants probably sell this module. Huh?