Designed to meet NEBS requirements and PICMG 3.0 ATCA specification, ATCA models 633/646 come in various slot configurations with dual-redundant Pigeon Point Systems shelf management modules and front removable push/pull intelligent cooling system. For smaller telecom and industrial applications, MicroTCA model 650 comes in configurations for full- and half-height AMC slots. It includes power supply as well as forced evacuation and pressurization cooling design.