YOU MAY NEED TO KNOW! 1. Backplates cannot be used on the SE edition of the keyboard; 2. The Collab keyboards are using the older V2 PCB, and will not function properly with nightlight knobs; 3. In addition, the 2.4 GHz wireless connection isn't supported on the V2 PCB either. 4. Do all the dampening kit foam layers from the v2 also fit v2.5? ---- YES! 5. The add-on tri-mode PCB includes the dongle.