Case Type 1U rack , Built-in CPU model Atom C3758 , 1xPCI-Express 3.0 4x , 2xM.2 , 1x15pin D-sub , 2xUSB 3.0 , 2xSFP , 9xRJ45 , Memory type DDR4 , Frequency speed 2400/2133/1866/1600 MHz , Memory slots 4 , PSU Output Power 200 Watts , FlexATX , Cooling & Ventilation System 2x 40x28mm 4-PIN PWM Fan, Optional 1x 40x28mm 4-PIN PWM Fan