The HDPlex 400w HiFi DC-ATX Fanless Power Supply is a high-quality power module designed for small form factor (SFF) PCs. With a maximum power output of 400W, this unit is perfect for powering compact systems without the need for noisy fans. The sleek black color and ATX form factor make it a stylish and functional addition to any computer setup. Made in China by the reputable brand HDPlex, this power supply is reliable and efficient for all your computing needs.