This hp 3csfp91 compatible sfp transceiver provides 1000base sx throughput up to 550m over multi mode fibre mmf at a wavelength of 850nm using a lc connector our transceiver 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