E100 specially designed as 1U NAS and Cluster application, provides the most cost-efficient but powerful cooling system integration through most of standard Intel LGA1366 and LGA775 that the processor is located at side position of motherboard. With the thermal-correct cooling system, it supports the most stable and cool environment by using LGA1366 and LGA775 processor even the system stand by or full loaded. It's also designed as a durable and strong mechanism, all sheet metal's edge and surface are very smooth when system integration, it's suitable for the enterprise server system and supervisor's system control and management, using the newest front-accessible I/O design, it's very convenient to manage the cable routing or maintenance without opening the rear door of cabinet, through the 14.5" short depth of chassis, it can load two set of chassis in one 1U layer of the cabinet, saving the most efficient space for your valuable and limited cabinet inside. As to the motherboard compatibility, it fits most 12"x9.6" ATX form factor motherboard in the market as well.