SILVERSTONE SST-AD120-STX 120W AC to DC Adapter 120W AC to DC Adapter Intended for Use with Mini-STX Systems or Cases Efficiency: >= 88% Over Voltage Protection: Yes Input Voltage: 90 - 264 V Input Frequency Range: 47 - 63 Hz Output: 19V@6.32A Approvals: CE, UL/cUL, FCC, TUV/GS, 3C_5K, PSE Dimensions: 1.46 x 2.56 x 6.57