This HP® J4858C-2KM compatible SFP transceiver provides 1000Base-MX throughput up to 2km over multi-mode fiber (MMF) at a wavelength of 1310nm using a LC connector. It is guaranteed to be 100% compatible with the equivalent HP® transceiver. This easy to install hot swappable transceiver has been programmed uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. It is built to meet or exceed the specifications of HP® as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration. This transceiver is Trade Agreements Act (TAA) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.