This hp 453154 b21 compatible sfp transceiver provides 1000base tx throughput up to 100m over a copper connection using a rj 45 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 as to comply with mul