StarTech.com HPE JG234A Compatible SFP+ Module - 10GBASE-ER - 10GE Gigabit Ethernet SFP+ Single Mode Fiber (SMF) - 40 km DDM - HPE JG234A Compatible SFP+ - 10GBASE-ER 10 Gbps - 10GbE Module - 10GE Gigabit Ethernet SFP+ 1550nm Single Mode Transceiver - 40 km (24.9 mi) - LC Connector DDM - Hot-Swappable & MSA Compliant - Lifetime Warranty