Components Specification Dimensions(WxDxH) 427mm x 550mm x 177mm. Materials Quality fine 1.2mm SGCC steel. Display Support 8.9" LCD display. Color Black. Drivers bay 2 x 3.5" HDD drive bays, 1 x 5.25" CD-ROM bay. Cooling Fan 2 x 80mm fans on front,2*60mm fans on the rear panel. PSU form factor Standard PS2 power supply. M/B form factor Support MAX 12" x 13" motherboard. Epansion space 7 PCI expansion slots. Input device Slim notebook keyboard and touchable mouse pad. Connector Two front accessible USB2.0 ports. System Control Power switch, Reset switch, Power LED, HDD LED. Applicarion Indusrrial control, IOT, machine automation, communication etc. Product Features: 1.Conformed with EMC design standard to prevent from electromagnetic interference. 2.Support motherboard size up to MAX 12" x 13", and 2 x 3.5" HDD drive bays, 1 x 5.25" CD-ROM bay, Support 8.9" LCD display, Standard PS2 power supply. 3.The chassis has good ventilation system 2 x 80mm fans on front, 2*60mm fans on the rear panel to make sure the system work steadily.