WatchGuard 8 Port 1Gb Copper Module for Firebox M Series - For Data NetworkingTwisted PairGigabit Ethernet - 10/100/1000Base-T8 x Expansion Slots - SFP (mini-GBIC)Application/Usage: Data NetworkingMedia Type Supported: Twisted PairEthernet Technology: Gigabit EthernetNetwork Technology: 10/100/1000Base-TNumber of Total Expansion Slots: 8Expansion Slot Type: SFP (mini-GBIC)Compatibility: WatchGuard Firebox Firewalls: M470 M570 M670 M4600 M5600 Limited Warranty: 1 Year