42Gb/s data transmission speed, using 4*10.31G VCSEL laser transmitter and PIN photoelectric detector, OM4 multi-mode fiber transmission up to 300m, hot-swappable SFP interface, MPO/MTP pluggable optical interface, low power consumption, metal shell for reducing electromagnetic interference, in line with ROSA lead-free standard, single +3.3V power supply, support digital diagnosis and monitoring function, in line with SFF-8472 protocol