The JG234A-ST is a HP JG324A compatible fiber transceiver module that has been designed, programmed and tested to work with HP brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 10Base-ER compliant networks, with a maximum distance of up to 40 km (24.8 mi). This SFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com offers a wide variety of SFP+ modules and direct-attach SFP+ cables, providing the convenience and reliability you need to ensure dependable network performance.