4 Gbps | Single Mode Fiber | LC | 1 km (6.2 mi) | Lifetime Warranty The JG661A-ST is a HPE JG79A compatible fiber transceiver module that has been designed, programmed and tested to work with HPE brand switches and routers. It delivers dependable 4 GbE connectivity over fiber cable, for 4GBASE-SR4 compliant networks, with a maximum distance of up to 3 m (984 ft). Technical Specifications: • Wavelength: 85nm • Maximum Data Transfer Rate: 4 Gbps • Type: Multi Mode Fiber • Connection Type: MPO Connector • Maximum Transfer Distance: 3 m (984 ft) • MTBF: 244,61,583 hours • Power Consumption: • Digital Diagnostics Monitoring (DDM): Yes This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & QSFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of QSFP+ modules and direct-attach QSFP+ cables, providing the convenience and reliability you need to ensure dependable network performance. The StarTech.com Advantage * 1% HPE JG661A COMPATIBLE: Works with HPE switches like 59AF, 1292 and others * TECHNICAL SPECS: 4GBASE-LR4 / 4Gbps / Single Mode (SMF) / LC Connector / 127nm to 133nm / Digital Diagnostic Monitoring (DDM) / Distances up to 1km (6.2mi) * TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in HPE routers and switches * DDM support reports the transceivers status to most SNMP network management tools * WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules * THE IT PRO’S CHOICE: Designed and built for IT Professionals, this SFP module is backed for life (lifetime of module, not network switch), including free lifetime 24/5 multi-lingual technical assistance