RME Unirack II Rackmount Shelf for Mounting RME Half Rack Products19" 1U Universal Rackmount Unit for non 19" units like e. g.: RME Multiface, Multiface II, Quadmic, ADI 2, Fireface 400, ADI 4 DD and many other units. We updated some of the drill hole's positions, reduced weight, removed rear "teeth". The sheet material is much leaner than at the MK I version. The oplong slits on the back are designed to be used as strain relief by using cable straps, the ones before can be used to mount e. g. AC adaptors on the