Output shutdown when output current reaches the highest point.Short-circuit protection: output shut down when short-circuit.Defensive function (for +3.3V, +12V, +5.00V and +5.00V SB power output).Input voltage range: 11.2 to 12.6V DC, DC input connector: 2.5mm inner diameters, 5.5mm outer diameterBefore you buy this board, please make sure your input Voltage INPUT VOLTAGE RANGE: 11.4VDC-12.6VDC Rating Power: 300W The 20+4pin cable and the dc cable are included.Item name: Power ModulePower: 300WInput voltage: 12V+5VSB:2A+5VDC:8A+3.3VDC:8A+12VDC:16A12VDC:0.15AInterface:1* ATX24PIN, 1* CPU4PIN, 1* CPU4PIN for high power,1*SATA power supply, 1inch IDE big 4PIN, 1* small 4PIN 1inch DC5525 input holeLine length:DC line length: 320 mmCPU4Pin:280mm24Pin:190mmCPU4Pin:270mmIDE190mm+SATA190mm+small4Pin115mmINPUT VOLTAGE RANGE: 11.4VDC-12.8VDCINCOMING CURRENT RANGE : 20.0A Max - 11.4VDCINPUT SURGING CURRENT: 25.0Vmax - 12VDCWORK EFFICIENCY: greater or equal to 85%Environment description:Working temperature/humidity: 15 degree to 35 degree / 45%-75%Reposition temperature//humidity: -40 degree to +70 degree/ 10%-90%Atmospheric pressure: 86Kpa-106KpOther parameters: Working frequency: Icbuilt-in oscillator ( 250-350 ) kHz@Vcc=12V Read moreColour: as shownMaterial: PCBSize: 15.4x3.5x1.7cmPackage Contents:1 * 300W power module2 * DC lines1 * power supply lineOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.