We no longer carry Juniper Networks - expansion module - 10 Gigabit SFP+ x 4 (7190304), but we found this replacement for you.
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The Juniper EX4300 48-port SFP+ Uplink Module combines the carrier-class reliability of modular systems with the economics and flexibility of stackable platforms, delivering a high-performance, scalable solution for data center, campus and branch office environments.