WatchGuard Firebox M 8 Port 1Gb SFP Fiber ModuleWatchGuard Firebox M 8 Port 1Gb SFP Fiber Module The WatchGuard Firebox M 8 Port 1Gb SFP Fiber Module is a purpose built expansion accessory designed to unlock scalable, fiber based connectivity for WatchGuard Firebox M series appliances. With eight 1000Base X SFP ports, this module lets organizations extend their enterprise networks over reliable optical links, delivering predictable performance for data heavy applications, virtualization, and campus