Cisco Nexus 3172TQ-XL 48 Port 10Gb Switch. Fan Modules AirFlow Direction : 4x NXA-FAN-30CFM-B Fan Modules - Front-to-Back Airflow (Port Side Intake/ Reversed Airflow). Model Number : N3K-C3172TQ-XL. Rack Mounts : Included (1-RU).
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