be quiet! dark base pro 901 white pc case, maximum airflow, 3x silent wings 4 pwm fans, virtually inaudible operation, flexible motherboard tray for an inverted layout, argb lighting, bgw51 is up for auction in Electronics. The current bid is $1.50, 99% below the $199.90 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.