This listing is for three HP HPE Brocade A7446B 4G Fibre Channel SFP modules, model 405287-001. Each module features SFP network ports and is designed for use with switches and hubs in enterprise networking environments. The modules support a transmission range of 150m over multi-mode fibre optic cables, operating at a wavelength of 850nm. These HP modules are ideal for connecting network devices within a local area network setup, providing reliable and high-speed data transfer capabilities.