So when you use this key combo, the active window moves to whichever quadrant of the screen you indicate with the arrow key ...

The MDR Dasher by Atomic is a new Severance-inspired keyboard that embraces the Lumon aesthetics to perfection.

A Lumon Terminal Pro computer was listed as a joke by Apple following Severance's season 2 finale, but there's a new keyboard being developed that you can buy.