Juniper QFX series QFX Series switches are perfect building blocks for the foundation of a dynamic data center. These high-performance, high-density and highly flexible switches are designed for top-of-rack, end-of-row and spine-and-core aggregation deployments. Juniper EX-Series QFX Optics QFX3008 QFX3100 QFX3500 QFX3600 QFX5100 QFX5110 QFX5200 Optics and cables Do you need optics or cables? We can help you with that! Send us an email, give us a call or ask us on Livechat.