HP SPS-TRANSCEIVER 4GB SW SFP 405287001 Transceiver : Tranceiver module - 4GB, short wave - Small Form Factor (SFP). 4Gb SFP. Up to 4.25 Gb/s bi-directional data link. Hot-pluggable SFP footprint. Built-in digital diagnostic functions. 850 nm Oxide VCSEL transmitter. Duplex LC connector. RoHS compliant. Up to 500 meter on 50/125 m MMF, 300 meter on 62.5/125 m MMF. Metal enclosure for lower EMI. Single 3.3 V power supply. Extended operating temperature range: -20C to 85C. Tri-rate 1.063/2.125/4.25 Gb/s Fibre Channel. 1.25 Gb/s 1000BASE-SX Ethernet.