6 x QSFP+ ports (40GbE; supports 4x10GbE breakout). Model : QFX5100-48S-AFI (AFI = Back-to-Front Airflow). Form Factor : 1 Rack Unit (1RU) Juniper. Software : Juniper Junos OS. 48 x SFP+ ports (supports 1GbE/10GbE; breakout to 72x 10GbE with breakout cables).
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