Hewlett Packard Enterprise JH391A Ethernet Switch

The Hewlett Packard Enterprise JH391A Ethernet Switch provides high-density 10 GbE copper access paired with 40/100 GbE uplinks for flexible, scalable data center fabrics within HPE FlexFabric network systems. It features 48 x 10GBASE-T copper ports and 6 x QSFP28 uplink ports, all housed in a 1U, rack-mountable chassis and managed as a Layer 2/3 switch with full management capabilities. Redundant hot-swappable power supplies and hot-swappable fan modules support reliability in core, aggregation, and cloud-ready deployments. The JH391A is commonly employed in data center cores, aggregation layers, cloud platforms, virtualization environments, and enterprise networks requiring low-latency, high-bandwidth connectivity, including server aggregation, storage traffic, switch stacking, and backbone links. For continuity within the FlexFabric family, common replacements include HPE JH390A FlexFabric 5940 48SFP+ 6QSFP28 Switch and HPE JH395A FlexFabric 5940 48SFP+ 6QSFP+ Switch.