TP-LINK 8-Port Gigabit Web Smart Switch with 1 SFP Slot. Maximum data transfer rate: 1 Gbit/s, Supported data transfer rates: 10/100/1000 Mbps, Switching capacity: 18 Gbit/s. Networking standards: IEEE 802.3, 802.3u, 802.3ab, 802.3z, 802.3ad, 802.3x, 802.1q, 802.1p. Switch type: Managed. Certification: FCC, CE. Operating relative humidity range: 10 - 90 %, Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -40 - 70 °C