HP J4859C Compatible SFP Module - 1000BASE-LX Fiber Optical Transceiver - J4859CST GUARANTEED 100% HP COMPATIBLE: Meets MSA standards and is designed, programmed and tested to perform identically to the HP J4858C optical transceiver module. LIFETIME WARRANTY: This HP J4858C compatible SFP+ module is backed by a lifetime warranty from StarTech.com. SFP FIBER MODULE PERFORMANCE: Max Data Transfer Rate: 1 Gbps |Wavelength: 1310 nm | Type: Single Mode / Multi Mode Fiber | Connection Type: LC Connector | Maximum Transfer Distance: 10 km (6.2 mi) | Power Consumption: less than 1 Watt | MTBF: 3,092,408 hours | DDM: Yes SIMPLE INSTALLATION: This 1000BASE-SX module can be plugged directly into HPs routers or switches and is hot-swappable making upgrades and replacements seamless by minimizing network disruptions. INDUSTRY LEADING PRODUCT SUPPORT: All StarTech.com SFP & SFP+ transceiver modules are backed by free lifetime multilingual technical support before and after purchase. 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.