The Rosewill RD400-2SB 400W Power Supply SL-8400BTX is a high-quality ATX power module designed for universal compatibility, with a focus on supporting Rosewill products. It features a sleek black design with cooling provided by 2 fans to ensure optimal performance. With a maximum power output of 400W and a variety of connectors including 4+4 CPU, 6 Pin PCI Express, and SATA, this power supply unit is suitable for a wide range of computer setups. Made in China by Rosewill, this product is a reliable choice for those looking to upgrade or replace their current power supply.