The Arista DCS-7050SX-72Q-R switch features 48 x 10GbE (SFP+) & 6 x 40GbE QSFP+ ports. The chassis uses 2x PWR-500AC-R or DC powers and 4x FAN-7000-R, back-to-front airflow. Consult with a representative for further information or configuration assistance.