Cisco ESW-520-48-K9. Maximum data transfer rate: 1 Gbit/s, Supported data transfer rates: 10/100/1000 Mbps, Switching capacity: 17.6 Gbit/s. Networking standards: 802.3, 802.1D, 802.1s, 802.1w, 802.1x, 802.3ab, 802.3ad, 802.3af, 802.3u, 802.3x, 802.3z. Switch layer: L2, Switch type: Managed. Copper ethernet cabling technology: 10BASE-T/100BASE-TX/1000BASE-T. Security algorithms supported: 802.1x, MD5, RADIUS