This 300W power supply module can be installed into a mini-ITX, 1U case, you can use it on a mini computer, HTPC, POS, and so on. The 12V power supply board features DC 12V input, it must be used with a power adapter, and it can provide 300W high power output. The DC power supply module features solid capacitors that allow super performance and high temperature resistance. The computer power supply module is convenient to use, just connect and use, comes with a 24pin to 20pin cable. With over current protection and short circuit protection, the power supply module is durable and long-lasting, and is safe to use. Input voltage: 12V DC.(11.4-12.6V) Input Current: Max. 25A. Output Power: 300W. Power Efficiency: greater than equal 85%. Working Temperature/ Humidity: 0 - 55/ 45% - 75%. Storage Temperature/ Humidity: -40 - 70/ 10% - 90%. Atmospheric Pressure: 86Kpa - 106Kpa. size: 15 x 3.5CM Material:PC+metal colour:As shown Package Contents: 1 x 300W Power Supply Module 1 x 24Pin to 20Pin Cable 1 x DC Input Cable 1 x AUX Cable Only 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.