A computer system with densely-mounted components and effective cooling is provided. A hard drive mounting structure for "hot swap" hard drives utilizes a hard drive assembly in which a hard drive is mounted between a pair of parallel rails connected by a retaining portion. The rails provide a precise...http://www.google.com.hk/patents/US6490153?utm_source=gb-gplus-share專利 US6490153 - Computer system for highly-dense mounting of system components
