TP-LINK 48-Port 10/100Mbps + 4-Port Gigabit L2 Managed Switch . Maximum data transfer rate: 1 Gbit/s, Supported data transfer rates: 10/100/1000 Mbps, Switching capacity: 17.6 Gbit/s. Networking standards: 802.1d, 802.1p, 802.1s, 802.1w, 802.1x, 802.3ab, 802.3ad, 802.3u, 802.3x, 802.3z, IEEE 802.3. Switch type: Managed. Supported network protocols: SNMP. Certification: FCC, CE