E-40-50R8PD2 rackmount chassis is designed to withstand the toughest and compact environment. The chassis is 4U height with only 15" in depth and special features of front USB access, ball-bearing cooling fan, and system sensor board to enhance functionality and usability for critical missions and applications. With a 500W redundant power supply, E-40-50R8PD2 provides server or cluster maximum reliability and performance with zero down time.