The QFX5110-48S has 48 small-form factor pluggable plus (SFP+) ports and 4 ports of 100-Gbps QSFP (QSFP28) Ethernet. The QSFP28 ports can be configured as either 40-Gigabit Ethernet or 100-Gigabit Ethernet. The switch is available with either AC or DC power supply and with either airflow-in or airflow-out cooling.