Supermicro 1u Server Chassis

502 Supermicro's mini-sized SC502 1U chassis features a depth of only 9.8" with fan-less thermal design for client nodes, firewall applications, mail servers, web servers & other server applications. It supports a wide range of single processor based Micro ATX 9.6" x 9.6" motherboards. In addition the SC502 is a perfect solution for home/office servers, with system noise level running at low 30 dB under the normal operation.

http://amadisystems.com/parts/chassis.html