The NETGEAR 40GBASE-SR4-BiDi MMF Duplex LC QSFP+ Transceiver (AXLM761) is compatible with select Managed Switches such as M4500-32C (CSM4532), M4500-48XF8C (XSM4556) and M4300-96X (APM402XL port cards). With its LC connector, the AXLM761 can drive 40 Gigabit Ethernet across 1 duplex MMF link (50/125µm OM3 or OM4) up to 100 meters or 328 feet.