KTI Networks KFS-2621. Maximum data transfer rate: 1 Gbit/s, Supported data transfer rates: 10/100/1000 Mbps, Switching capacity: 1 Gbit/s. MAC address table: 4000 entries, Networking standards: IEEE 802.1ab, IEEE 802.1p, IEEE 802.1Q, IEEE 802.3, IEEE 802.3u, IEEE 802.3z. Switch type: Managed. Fiber optic connector: SFP. Management protocols: STP / RSTP