Features: 1.Note: Only Can Use With 12v Power Adapter Or 12v Input Voltage, 250 Watt Output 12 Volt Dc Input, 2.Dc Input Connector: 2.5mm Inner Diameters, 5.5mm Outer Diameter 3.Short-Circuit Protection: Output Shut Down When Short-Circuit 4.24 Pin Atx Connector, Plugs Directly Into The Atx Connector 5.Perfect Dc Psu For Mini Itx Motherboards Description: 1. Power Supply Standard: ATX 12V 1.3 2. Rated Power: 250W-300W 3. Applicable CPU Range: Low-Power CPU 4. Applicable Type: Desktop 5. Type: No 6. Cpu Power Supply Interface: 4 Pin 7. Size:5.3 x 2.78cm Material: Plastic colour: As shown Package Contents: 1 x Module Only the above package content, other products are not included. Note: Light reflection 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.