I am selling an original owner KECES DC-116 Linear Power Supply. This unit has two 2.1mm 12 volt 3 amp outputs. I used it to power an Intel NUC and a ethernet switch. Excellent audio upgrade for both components! Physical condition an 8 out of 10. Flawless operationally. Comes with the original box, power cord , DC connecting cables and a 2.5 to 2.1mm adapter. Originally $450. Selling for $250 including shipping anywhere in the continental US.