The Arista DCS-7050TX-64-S switch features 48 x RJ45 (1/10GBASE-T ) & 4 x QSFP+ ports. The chassis uses 2x PWR-500AC or DC powers and 4x FAN-7000 to operate. Powers and fans sold separately. AC or DC power and airflow direction options available. Consult with a representative for further information or configuration assistance.